9310 Steel Vs Carpenter 158 - Metal and Coating for Bootleg BCGs, what does this mean?.

It is typically used in gears, crankshafts, heavy-duty gears, the automotive, trucking, and aerospace industries. 9310 has a small amount of molybdenum, 158 does not. The high alloy content in 9310 allows for heavy sections to be treated to result in high case hardness and high core strength and toughness. The entire carrier assembly is TiN, Titanium Nitride coated. Even great bolt steels like 9310 and C-158 won't overcome one weakness that the AR-15 has shown over the years as it. Nitrided is definitely easier to clean, but a parked BCG is far from difficult to clean. ENGRAVED AR Bolt Carrier Group (BCG) - Join Or Die BCG Product Specs: M16 cut 9310 steel carrier Carpenter 158 steel bolt 4140 steel extractor MIL-SPEC O-ring MIL-SPEC gas rings 4140 steel cam pin 8740 steel firing pin with hard c. 95 was 9310 steel AO Precision Premium Phosphate Bolt Carrier Group - 158 HPT/MPI This mil-spec bolt carrier group goes through rigorous quality control tests before it's made available for purchase, including high pressure testing and magnetic particle inspection. The reason being is that it works, and it does it well. SAE-AISI 4150 (G41500) Cr-Mo Steel SAE-AISI 9310 (1. My oldest daughter turns 10 this month. 9310 Steel: Carrier Material: 8620 Steel: Country of. For each property being compared, the top bar …. Carpenter 158 has been the preferred material since Eugene Stoner’s team selected it back in the late 1950s. titanium can be stronger than steel but weigh 45% less. C158 is MilSpec and at the time. 8620 and 9310 have good toughness, which means they can withstand high-stress levels without breaking. But since you asked nicely: From Faxon: "Since the creation of Carpenter 158, the metals industry has continued to innovate, creating new blends of steels. FORMS AVAILABLE Billets; hot rolled bars, cold drawn and centerless ground bars; forgings. coin op car wash near me now I know 9310 alloy steel is very strong (they make differential ring and pinion gears for professional class drag racing cars. All are also shot peened to reduce susceptibility to metal fatigue. ENGRAVED AR Bolt Carrier Group (BCG) - Jolly Roger M16 Cut9310 Steel CarrierCarpenter 158 Steel Bolt4140 Steel ExtractorMil-Spec O-RingMil-Spec Gas …. 80% carbon, while 5160 steel contains 0. The Carpenter 158 bolts are probably the cheapest way to meet the Milspec standards so that is what most manufacturers use when they must meet the standard. A-286 AMS 5732 from Rockwell Industries attains its high strength levels through a solution heat treatment followed by a precipitation hardening. The tariffs should be lifted permanently, so that Ukraine can rebuild its steel industry. A little more expensive, but easier to heat treat with little if any distortion. The bolt itself is subjected to the highest heat, pressure and friction when live rounds are fired. Alexander Arms started testing 9310 steel as a better choice and found that bolts lasted longer when made from 9310. 9310 or Carpenter 158 (C158) Steel: Bolt Finish: Black Nitride: Caliber. This is case hardening steel, which is tough and as standalone responds little to heat treatment, but once case hardened, can be made into very tough, but on the surface very hard part. This can affect material selection, processing, and quality control, requiring specialized knowledge and expertise to ensure consistent and reliable performance. PSA AR-15 Charging Handle 7075 T6 Forged Mil-Spec - 24080 - $15. 9310 steel, when treated properly, is about 7% better than Carpenter 158 steel, so you know that you will …. This will also come with an engraved AR-308 Dust Cover w/ Customer Choice of Engraving! 308 Nitride Bolt Carrier Group BCG Nitride 308 Bolt Carrier Group (BCG) Product Specs: 308 Caliber Salt bath nitride finish M16 cut 9310 steel carrier Carpenter 158 steel bolt 4140 steel extractor MIL-SPEC O-ring MIL-SPEC gas rings. Bolt Carriers made from 8620 Steel, 6A1-4V Titanium or Aluminum. Another important factor to consider when comparing these two tool steels. Sep 5, 2023 · September 5, 2023 | 4:33 pm. Lugs were a little more beefy, made from 9310 Vac Arc steel. This Bolt Carrier Group includes a MIL-SPEC 8620 aircraft quality steel carrier with a shot-peened carpenter no. Each Sons of Liberty Gunworks AR-15 Bolt Carrier Group includes components made from a number of cutting-edge materials. Nitriding can come close to the temper temperatures and maybe one steel is more sensitive than the other. 308 Winchester; DPMS profile; 9310 bolt; 8620 Steel Carrier. In the back of your mind, you'll know it's not mil-spec…but it's about half the price of the BCM. Greek Ascoloy supplied by Rockwell Industries retains corrosion and antioxidants and has usable strength and creep resistance to 1050 degrees F (566 ̊C). What's the better steel 9310 vs S7? View Quote. I’d still sooner use a nitride carrier over all others, with chrome second and other coatings including NiB down the list somewhere. There are 23 material properties with values for both materials. And it has a Mil-Spec phosphate, matte black finish. A286 AMS 5732 is an iron based superalloy designed for applications requiring high strength and good corrosion resistance at temperatures up to 1300°F (704 °C). C-158 is simply Carpenters trade name for P-6 tool steel. 158 steel, which is heat-treated to military specifications, shot-peened, vibratory tumbled, and full-auto test fired in a complete assembly to ensure performance. DLC coating provides extreme surface hardness and lubricity while maintaining a ductile core. 9310 and 158 have very similar chemical makeup. 5 coil silicone wire stock extractor spring and silicone wire stock ejector spring. Fully machined 8620 steel extractor, black extractor insert. It’s also had an extra-power extractor mod (very necessary on short-barreled guns). Not so easy to clean as many other finishes. zillow glenn heights tx While original specs call for bolts machined from Carpenter 158, 9310 and S7 steels have proven to be just as durable in this application and are often easier to source. Why 9310 instead of Mil-Spec Carpenter 158 steel? Simple, 9310 is an AISI standard grade tool steel which, when properly treated, actually makes it about 7 . What Is the Difference Between 9310 Steel and Carpenter 158 Steel?. However most of the recent bolt failures are because of improperly heat treated 9310 bolts. IF the machine work and heat treat are similar, it will have …. I say this with disbelief, as I am under the mistaken impression that I am still new to. Posted: 10/31/2015 9:47:51 PM EDT. Mar 26, 2015 · Bet it is cheaper too. 300 BLK; Every component of this Nitride bolt carrier group needs to be made from materials suited for its role. These are the (3) most common BCG steels being used in today's AR/M4 industry (from what I read about). 9310 became popular when carpenter couldnt keep up with demand so manufacturers looked for alternatives. 10 mega-inch) strength-to-weight ratio (specific strength), which is higher than that of other alloys, including titanium, known for such high values. It's MPI tested and otherwise mil-spec…except that the bolt is made of 9310 steel instead of Carpenter 158. The bolt itself is machined from Carpenter Technology No. The entire AR-15 BCG is black Nitride finished to improve surface hardness and smoothness over. I'm pretty sure Aermet 100 is a better steel than Carpenter 158 or SAE 9310. Carpenter 158 Melonite / Nitride M16 Ar15 Bolt Carrier Group. Premium quality chromium-nickel-molybdenum carburizing steel produced by the vacuum consumable electrode process. 158 alloy is a chrome-nickel alloy steel with an analysis representing the best case hardening steel known for parts subject to heavy shock and wear. Bolt Carriers made from 8620 Steel, 6A1-4V Titanium or Aluminum Bolts available in 9310 Steel or Carpenter 158; Lifetime Warranty. The better-than-milspec bolt is machined from 9310 steel (which is 7% stronger than Carpenter 158 steel) then magnetic particle inspected to ensure there are no hidden flaws in the material or machining. tony beets house arizona The carrier is made out of 8620 steel and has a phosphate finish with a chrome-lined bore. lowes ocala jobs Barrel: 20" Fluted, Chrome Lined with A2 Flash Suppressor. Practically speaking, that makes the strength almost the same. gfw850ssn2ww The Aermet 100 is about 3 times more expensive than Carpenter 158, but doesn't have lot minimums. Additionally, 8630 steel is more resistant to. 9310 vs 158 steel both have advantages and disadvantages that should be considered when deciding which type of steel to use. HowStuffWorks looks at President Donald Trump's proposal for tariffs on steel and aluminum and explores whether these could spark a global trade war. C158 is a proprietary formula and only made by one company. 158 is Carpenter's name for P-6 tool steel. star sessions lilu com When the Gothic Revival movement emerged in Europe, the buildings constructed displayed the same carved stone features as Expert Advice On Improving Y. PSA AR-15 complete MPI bolt assembly, made of carpenter 158 steel, shot peened. 56 K-SPEC enhanced dual ejector LH 5. Data are typical, are provided for informational purposes, and should not be construed as maximum or minimum values for specification or for. JSW Steel News: This is the News-site for the company JSW Steel on Markets Insider Indices Commodities Currencies Stocks. Known for their pencil-thin barrels, gunner profile barrels, and even their Ultralight FX5500 4. The steel used is properly hardened, but I don't think it's technically Carpenter 158. Apr 29, 2017 · Carpenter 158 Vs. When choosing high-performance bolts, steel type cannot be compromised. 56 NATO 9310 Colt Vs PSA Vs Aero BCG review. As long as the S-7 steel is properly heat-treated, it should prove superior in strength to ANY Carpenter 158 bolt. Christopher Steele, author of the eponymous dossier, has not had a fun couple. There are a couple of different popular bolt steels, notably 9310 and 158 Carpenter steel. Indeed, after a protracted period of underperformance from sto. 9310 is a more modern steel which can be up to 8% stronger than Carpenter 158. 158 Alloy is used for the bolt, and the gas key is made from 4130 Chromoly steel. Alloys examined were AISI 9310 VIM VAR, AMS 6308, Pyrowear® 675 (two variations; tempered at 925°F and at 550°F), and CSS-42L TM (tempered at 925°F) with stainless steel 440C, in hardened condition, as a base line. This bolt steel is 7% stronger than commonly used "mil-spec" Carpenter 158 steel. Thermal conductivity (typical steel) 51. Another important factor to consider when comparing these two tool …. The proprietary alloy used by LMT's enhanced bolt outclasses the industry standard of Carpenter 158 & 9310 Steel commonly used for bolts. 5 Creedmoor, 45 Raptor, and other “standard 308 calibers”. The alloy has a resisted softening at elevated service temperatures and possess good temper resistance and high case hot hardness while maintaining high core impact. This is the most expensive option on this list. 4340 VAR is a premium melt aircraft quality steel with excellent ductility, toughness and high strength levels. Military well for many decades and when paired with Toolcraft quality and the Ionbond DLC finish, this is quite likely the ultimate hard use bolt carrier group! See also the 9310 bolt version here: Toolcraft DLC BCG 9310 Bolt 556. With a chrome lined, 8620 carpenter steel carrier, 9310 Super Alloy Steel bolt, and properly staked gas key, this full-shroud carrier group is perfect for you next. switched over to using 9310 steel. One of the main differences between 1080 and 5160 steel is their composition. There were heat treat problems in some 9310. Standard specification is AMS 5622 and AMS 5643. There is nothing to be gained by nitriding a bolt that has already been case-hardened. BCGs are coming down in price and I want to buy a couple of good quality ones while prices are good. This high quality bolt carrier group is a valuable addition to your 6. Machined from carpenter 158 steel. Wilson combat has a 9310 steel Bolt Carrier Group on sale for $98. 9310, and Carpenters 158, are two distinct different types of steels. All of those aspects considered, 9310 steel is ideally suited for aircraft engine gear and pinon applications. The steel industry has advanced since the specification of Carpenter 158 but the basic premises. Technical Specs: • Gas system: Direct Impingement • Caliber: 5. M16 Nitride BCG | Full Auto Rated | Nitride Coating | 8620 Carrier | M16 Carrier | Tool 7 Steel Extractor | Viton O-Ring | 9310 Bolt. 9310 or Carpenter 158 Steel: Bolt Finish: Nickel Boron: Caliber: 223/5. Bolt Material and Testing: Carpenter 158, MPI & HPT; Price: $450; Rubber City Armory Titanium Complete Bolt Carrier Group with adjustable gas key. I discuss the steel differences between carpenter 158 and 9310 from the AR Performance Super bolt. This difference in composition gives each type of steel different properties that make them suitable for different applications. The original specification calls for this part to be machined from Carpenter 158 alloy steel. [PARTS] Toolcraft Logo'd Carpenter 158 Nitride Full-Auto Bolt Carrier Group $69. 99 100% Live Inventory, No Back Orders. 62×39 Engraved (Both Sides) AR-15 Dust Cover!. Aero precision and Brownells, which are more budget. Bolts are made from 9310 Steel. Which is better? It depends who you . Full Auto test fired at assembly. 9310 steel is a nickel-chromium-molybdenum alloy steel containing carbon, manganese, silicon, chromium, nickel, and molybdenum. We produce FLEXOR® steel to provide similar, if not superior, chemical and mechanical properties to 9310 alloy steel. 9310 is harder on average, but harder doesn't always mean better. The firing pin may be 8740 steel and chrome-plated for longevity. Is the 158 going to hold up fine its a hunting rig for a buddy that probly wont see a lot of rounds. 158 is truly an alloy metal, Equivalent materials to AISI 9310 …. 223 Rem, 9310 Steel -or- Carpenter 158 Bolt, Deals, Sales and Coupons BCG 5. 9310, when done properly, is slightly superior to Carpenter 158. 56 Nitride MPI Full-Auto Bolt Carrier Group, engineered to deliver exceptional performance. Furthermore, many other firearms designs, semi-auto or full-auto alike, already incorporate 9310 steel into their schematics. 9310 steel is stronger and harder, making it ideal for applications where strength and durability are important. " Faxon uses 9310 in their bolts and so does Noveske. from it!) but on the M16/M4 the mil-spec is C158 - what is. Toolcraft BCG Nickel Boron AR308 …. I recently talked with some Carpenter Steel engineers, the earliest mention (data sheets) that we could find with C-158 even listed was 1981. Alloy 9310 in bar SPECIFICATIONS: GRADE ALLOY 9310, AISI 9310, UNS G93106 Castle Metals distributes a wide range of Alloy 9310 in bar from our distribution centers in the U. Nickel and chromium enhance the steel’s toughness and wear resistance, while molybdenum promotes hardenability and high-temperature strength. Bolt is magnetic particle inspected (MPI) for a uniform quality and. Now the bolts, they are made with AISI 9310 Steel, 9310 is better suited for an application such as a M16 bolt. ***This product contains chemicals/materials known to the …. Other caliber BCG’s available per request, simply email or call us. Because of its high strength, 9310 steel is used to forge both the carrier and bolt in some BCGs. Posted: 3/11/2022 9:07:38 AM EDT HRC of 46 yields a 15% increase in hardness at the same toughness comparing to Carpenter 158 & 9310 Mil-Spec Extractor and Ejector Springs, Gas Rings While the two bolts have identical construction, the two coatings vary slightly. Constructed from high-quality SAE 9310 steel sourced domestically, including complete traceability through Mill MTR’s and heat treat certification. Case hardening allows C-158 to be very hard on the outside to prevent wear and crack formation while the inside is softer and more flexible to prevent crack propagation and absorb shock loads. A short while back, I was on the phone with a few Carpenter Steel engineers looking for info. The premium quality of alloy 9310 make it ideally suited for critical aircraft engine gears. Toolcraft Logo'd Carpenter 158 Nitride Full-Auto BCG & PSA AR-15 Charging Handle 7075 T6 Forged Mil-Spec. Jun 21, 2014 · The heat treatment process must be more closely controlled with 9310, from what I've read. With a wide range of applications across various industries, this steel alloy has become a go-to choice for critical components that operate in demanding environments. Posted on October 16, 2023 05:10:01 AM | Views: 628. Markings on the bolts vary with some being marked MP or MPI and some being marked 9310 or C158. Reduces wear during metal to metal contact. The Biden administration has lifted Trump-era tariffs on Ukrainian steel—for just one year. 17-7 PH AMS 5644 is a semi-austenitic precipitation-hardening stainless steel that provides good corrosion resistance, good formability, and high strength. The Mil-Spec M16 Bolt Carrier Group is a true exemplar of Mil-Spec BCGs, designed for those who demand the utmost reliability and quality. Faxon has a good reputation for barrels. Pennsylvania Steel Corporation offers an alternative to SAE 9310 alloy steel. Each BCG is further fitted with a Lantac CP-R360 domed head cam pin, which are precision machined from 17-4PH …. 7x42 Bolt Carrier Group (BCG) Product Specs: 12. Bolt Material : Carpenter 158+ Carrier Material : 8620 Steel Coating : Nanoweapon MPI & HPT : Yes Full-Auto Rated : Yes. Tensile Strength: 910 MPa Yield Strength: 570 MPa. 62x39 K-SPEC enhanced dual ejector 458/450 K-SPEC enhanced dual ejector. There are also a lot of BCGs out there that are made with 9310 steel. Except for the 440C specimens, all other specimens were sectioned gear teeth. AR-15 bolts are typically made of high-strength materials like Carpenter 158 steel or 9310 steel, which provide durability and reliability under extensive use. You should know that many would say. Posted: 12/16/2016 12:41:00 AM EDT. They have no data that it existed before this date- at least not that they can find. Many manufacturers will state that properly heat treated 9310 is approximately 7-8% "stronger" than 158, but 9310 requires that it be heat treated properly to achieve that increase in strength. 158 steel, the mil-spec alloy favored by the military. Tiger Rock AR-15 Bolt Carrier Group Assembly, Carpenter 158 Bolt, Standard Design, Black Nitride, BCG-N 16 of 37 images Tiger Rock AR-15 Bolt Carrier Group BCG Assembly, 9310 Bolt, Flat Design, Black Nitride, BCG-N2. Stock: 6 Position Telescoping Buttstock w. Jan 16, 2021 · Been examining the differences between C158 and 9310 steel bolts for the AR platform, and now I'm more confused than before. This material is useful without carburizing, yet carburizing produces a highly wear-resistant case. 4 million in the same p (RTTNews) - Below are the earn. A manufactured in America component, this bolt carrier weighs 11. Simply put Should any of our products fail, return it to us for a brand new replacement. In addition, the alloy provides excellent hot hardness capability. This high-strength, low-alloy steel is also known for its excellent machinability. Low Plasticity Roller Ball Burnishing:. It is known for its strength, toughness, and wear resistance. Toolcraft BCGs are generally available with bolts made from either 9310 or Carpenter 158 steel. Bolts available in 9310 Steel or Carpenter 158. Currently, MIL-SPEC steel based off Colt TDP is 158 Carpenter steel. Barrel: 16” M4 Profile, Chrome Lined with Vortex Flash Suppressor. 9310 is low alloy steel containing nickel, chromium and molybdenum. Bearing & Gear Steel UNS# 9310 G93106 52100 G52986 ACUBE® 100 Carpenter 158 T51606 CBS-223 CBS-50 NiL K91231 M-50 T11350 CBS-600 K21940 Carpenter Acube® 100, Custom Age 625 Plus®, Custom Age 725®, Free-Cut Invar “36”®, High Permeability “49”®, HyMu “80”®, Invar “36”®, and Low Expansion “42”®,. Strength and toughness desired can be manipulated by a temperate range in the heat treatment process. Barrel Material: 4150M Chrome Moly Vanadium 11595E Stee. Barrel Material: 4150 Chrome Moly Vanadium 11595E Steel w. The steel is then tempered at a lower temperature to improve its toughness and flexibility. But the 8620 depends more on the heat treatment to give you the strength you need. 56/300 Blackout: Extractor O-ring: Viton. Materials and heat treat are meticulously controlled and verified. Though Carpenter 158 and 8620 steel are used for making Mil-Spec AR-15s, M4s, and M16s, many commercial manufacturers also use other materials. If you want to take the high road–and debate more effectively in the process–utilize the "steel man" argu. Exceptional performance with no malfunctions reported after firing around 100 rounds. Both 158 and 9310 can be had in a VAC melt grade which is the purest form of both alloys. ENGRAVED AR Bolt Carrier Group (BCG) - Spider Web M16 Cut 9310 Steel Carrier Carpenter 158 Steel Bolt4140 Steel Extractor Mil-Spec O-Ring Mil-Spec Gas Rings4140 Steel Cam Pin8740 Steel. Prices for BCG's with 9310 bolts …. reedling breed The 308 carrier is precisely machined from case-hardened 8620 alloy steel. 9310; If this is your first visit, This thread is about 9310 vs 158! 04-29-17, 18:42 #128. P6 mold steel), 9310, 8620 or 4130, and note the difference in tensile strengths of those alloys between a 350F temper and a 1050F temper. This makes it easier to heat-­treat correctly. If you could see the way stresses are transferred thru the lugs, you would observe the upper corners that were removed were contributing essentially zero to the support of the lugs. 56 Nickel Boron BCG with Carpenter 158 Bolt PSA 5. The alloy is also used in high-stress applications, such as heavy-duty machinery, oil and gas drilling equipment, and racing engines. The thermal properties of AISI E9310 alloy steel are listed in the following table. 1% elongation with a fracture toughness of 120 ksi√in. Barrel: 16” Heavy Profile, Chrome Lined with A2 Flash Suppressor. Bolt Carriers made from 8620 Steel, 6A1-4V Titanium or Aluminum; Keys made from 4130 Steel; Bolts available in 9310 Steel or Carpenter 158; Lifetime Warranty. The BCG encounters plenty of stress and heat, which makes steel an ideal material. The 9310 Steel Bar is popularly available in round shapes, and is widely used in the automotive industry for manufacturing axles. Daido Steel News: This is the News-site for the company Daido Steel on Markets Insider Indices Commodities Currencies Stocks. They have a very high 96% of their average alloy composition in common. The most common steel used in the bolt is Carpenter 158 steel. The main difference between 4340 steel and 9310 lies in their composition. Alloy 9310 Vac-Arc (LESALLOY 9310 VAC ARC ®) is available in bar (round bar). Can the AR-15 bolt be modified or upgraded?. This, c158 has to be purchased in massive quantities, while 9310 can be purchase in a quantity more reasonable for a small company. Summary; 52100 Steel (100Cr6) 9310 Steel (AMS 6265) 8620 Steel (AMS 2301) M50 Steel (AMS 6491) BG-42® (AMS 5749) XD15NW® Bar; XD16N Bar; CX13VDW;. The bolt is a critical component of the BCG and plays a key role in the reliability and function of the firearm. AerMet 310 alloy has a high figure of merit for toughness, compared. 56 Bolt Carrier Group --Black Phosphate Finish --Mil-Spec --Shot peened & MP tested bolt. I know just a little bit about metallurgy, but, not enough to distinguish what comes into play when each steel is used for BCG's. For each property being compared, the top bar is SAE-AISI 9310 steel …. Click the heart icon on any alloy to being creating your account. Steel Tube, Tubing & Pipes Honed Hard Chromium Plated Steel Tube & Pipe;. IF the machine work and heat treat are similar, it will have a neglegable effect on the cost of the finished bolt. The lightness and compactness of these laptops came at a price. Why 9310 instead of Mil-Spec Carpenter 158 steel? 0 0 0. Sons of Liberty Gun Works Bolt Carrier Group is a premium BCG that leaves no stone unturned when it comes to quality control and performance. Pyrowear 675 is a high strength stainless steel designed for gear application. I think 9310 has more molybdenum and C-158 and P-6 machine steel is the same and has more nickel and chrome. Carpenter 158 Steel is a highly sought-after material in the firearms industry. Typically, the carrier itself is machined from 8620 or 9310 steel, with the bolt itself being Carpenter 158. 56 Bolt Carrier Group (BCG) Nickel Boron 5. Mil-Spec Extractor and Ejector Springs, Gas Rings. Obviously, Toolcraft will make whatever the customer wants. The rest of the tool steel industry has moved on to better steels. Jan 14, 2020 · The Relia-Bolt™ is machined from S7 tool steel and tempered with SRC’s proprietary heat-treating process, significantly increasing strength when compared to MilSpec Carpenter 158. 8) The bolt is CNC machined from heavy duty 9310 alloy steel. many years back after a mass shooting there was a run on parts including bcgs and manufacturers couldn't get c158 in a steady enough supply so they looked at alternative metals including 9310. They are easy to machine and widely available. AR 15 BOLT CARRIER GROUP Brownells. Bolt Carrier: 8620 steel Heavy Duty M16 design Grade 8 Gas Key Screws, Staked Gas Key Material: 4140 Finish: Nickel Boron. The chances of that mattering for an average shooter that puts even a few thousand rounds downrange a year is super slim. If you're drilling through hardened steel, you'll want to use a cobalt drill bit. ; The black phosphate model has a carrier made from 8620 steel and a bolt made from Carpenter 158 Tool Steel. It's also coated with QPD nitride, providing excellent resistance to wear and corrosion. The Guardian uses 9310 steel, which is approximately 7% stronger than Carpenter 158. A well regulated Militia, being necessary to the security of a free State, the right of the people to keep and bear Arms, shall not be infringed. Bolt Carriers made from 8620 Steel, 6A1-4V Titanium or Aluminum Keys made from 4130 Steel Bolts available in 9310 Steel or Carpenter 158 Our products carry a lifetime warranty. In conclusion, 9310 and 158 steel have unique properties and characteristics that make them ideal for certain applications. condition, A-21 is the world’s first and only truly stainless carburizing steel, developing a deep, hard, stainless case and a strong, tough, ductile core. Smooth & Protective Nitride coating. Grade 6 titanium belongs to the titanium alloys classification, while SAE-AISI 9310 steel belongs to the iron alloys. 8620 being through hardened can either be softer. I looked at a couple of PSA kits recently and the only difference was that one had a 9310 bolt and one had a C158. Properties with values for just one material (6, in this case) are not shown. Lifetime ToolCraft Warranty! Made in USA. LANTAC E-BCG®, Enhanced Bolt Carrier Group with TiN coating. Jul 25, 2009 · Carpenter Technologies' 158 blend of steel was selected as it provided adequate strength and wear characteristics. So, as always, better make sure you're buying from a reputable manufacturer. The extractor is machined from milspec tool steel which is more reliable than typical MIM (Metal Injection Molded) extractors and features a. Which steel option is better 9310 or 158 Carpenter and why? Thanks. Can also hold up to the stress a bolt is put under as well as 158 with proper heat treating. Made from Mil-spec Carpenter 158 steel, this BCG is built to accommodate heavier grain cartridges, such as subsonic. Simply put… Should any of our products fail, return it to us for a brand new replacement. BCA's Bolt carrier groups are MPI inspected. If cost is a major consideration for your project, Carpenter Steel may be a more affordable option. 5 Creedmoor Bolt Carrier Group w/ High Pressure Bolt - Ion Bond DLC - $189. These are almost the same steel alloy, with everything the same except that the 8630 steel has a little bit more carbon. Engraved AR-15 Bolt Carrier Group (BCG) – AMERICAN FLAG. Carrier Finish Salt Bath Nitride. It is less brittle than C-158 and theoretically stronger as long as. This bolt assembly from SOLGW will work with any AR-15. For each property being compared, the top bar is SAE-AISI 4150 steel and the bottom bar is SAE-AISI 9310 steel. Steel 9310 (14NiCrMo134):Cutting conditions, Recommended Carbide Grades, Equivalent Material Standards, and Chemical Composition. 9310 alloy steel is widely used in the manufacturing industry due to its high strength and durability. Brand – Anderson Manufacturing, Caliber –. ariens 824 snowblower parts The material composition, such as Carpenter 158 or 9310 steel, and the choice of coating, from phosphate to Diamond-Like Carbon (DLC), can significantly affect the BCG’s performance. Carpenter 158 Steel also known as Cartech-158, C-158 mil spec steel is a case (surface) hardened steel where 8620 is through hardened. This makes 9310 steel ideal for parts requiring strength and durability. The M16 bolt is supposed to be C158 and is supposed to be case hardened. Pyrowear® 53 is a premium quality carburizing gear steel with a combination of high-temperature performance, fatigue resistance, deep hardenability, and excellent toughness. Some manufactures are using 9310 steel. I suppose can 9310 be a better bolt material than C158, sure but it has to be heat treated properly in order to do so, and the improvement is less than 8%. The material is vacuum degassed and is also available in consumable electrode vacuum remelting process. The Carpenter 158 Bolt is heat treated, shot peened, precision ground for perfect dimensions, and MPI Tested. Its been a pleasure working on the car …. Fully treated, Carpenter 158 attains a core strength of approximately 160 ksi (1103 MPa) tensile. AISI 9310 alloy steel is a low alloy steel …. The difference between C-158 and 9310, I just don't see it. wbre tv The three main BCGs I am looking at right now: PSA premium 158 Carpenter - was on sale for $109 when I put my order in Rainier Arms 158 Carpenter - on sale for $119 Wilson combat 9310 steel - on sale for $98. View Profile View Forum Posts View Articles Member Join Date Aug 2016 Location The South Posts 190 Feedback Score 0. Starting with a 9310 Steel Bolt, which is aircraft-grade material, this bolt has a high core strength rating, a high fatigue strength, and a high hardenability rating. SAE-AISI 4140 (SCM440, G41400) Cr-Mo Steel SAE-AISI 8620 (SNCM220, G86200) Ni-Cr-Mo Steel. There seems to be many out there that dismiss 9310 steel bolts as inferior and use the argument that it is. The difference is in the steel. Following machining, the process includes a heat-treated and shot-peened finish. Advertisement Hard-anodized cookware is made of. 9310 is slightly stronger WHEN it's processed correctly. 158 alloy, Heat treated per mil-spec, Shot peened per ASTM B851/SAE AMS2430S, Vibratory tumbled Individual high pressure/proof (HP) Full Auto …. Bolt: Precision machined from Carpenter Technology No. 5 Grendel (Type II) Bolt Carrier Group (BCG) Product Specs: 6. Another difference is the strength and toughness levels of the alloys. View Profile View Forum Posts View Articles But Carpenter cares little or nothing about whether bolts made from 158 steel break prematurely or not. Both SAE-AISI 4140 steel and SAE-AISI 8620 steel are iron alloys. 9310 steel claims a slight advantage of toughness when properly heat …. Our meticulously crafted BCGs, constructed from premium materials and featuring precise engineering, ensure smooth cycling, enhanced durability, and easy maintenance, allowing you to focus on your. craigslist ocala florida motorcycles for sale by owner Its combination of high alloy and low carbon content can achieve high …. Dec 14, 2016 · As I understand it 9310 has become a common option for bolts because it is easier to get in smaller quantities than Carpenter 158. In the case of the M16 family, the US military selected a steel called Carpenter 158 (also known as "C158" or "Car 158") to be used for manufacturing the bolt. 8740 Steel Firing Pin with Hard Chrome Finish. See also the Carpenter 158 bolt version here: Toolcraft DLC BCG C158 Bolt 556 This is a 223/5. They get a bad rap because when they first hit the market there were a lot that were not …. DLC isn't that bad but it's still not as good as a phosphate carrier with a chrome-lined bore. 5 Creedmoor, 45 Raptor, and other “standard 308 calibers” These are engraved in house. This is a process that essentially makes the. This BCG features a C158 bolt, 4340 extractors, and an S7 tool steel ejector. As a result, Carpenter 158 steel is continued to be the gold standard by which all other AR-15 steels are judged. Assembled Bolt Carrier Group for AR-15/M16 8620 M16 style carrier Black Nitride finish Properly heat treated Final grind before plating · 9310 Steel 5. 9310 is a AISI standard grade of tool steel that makes it about ~7% stronger than "mil-spec" Carpenter 158 steels, when appropriately treated. Brinell Hardness: 200 to 380: 540 to 610:. The 9310 steel also contains vanadium, which gives the steel a tighter grain …. 158 alloy attains a core strength of approximately …. DLC coated for exceptional surface hardness and lubrication, all while preserving a…. Supposed to be three times more impact resistance than Carpenter 158 There has been an increase use in 9310 steel for bolts over C158. Additionally, 9310 is easily welded. Each BCG is further fitted with a Lantac CP-R360 domed head cam pin, which are precision machined from 17-4PH stainless steel, hand polished and hardened to H900 condition, this further reduces friction and wear within the upper receiver. Why 9310 Steel in an AR-15 / M16 Bolt? Why is 9310 Steel the superior option for your AR-15/M16 Bolt? Well, 9310 is actually around 7% stronger than Carpenter 158 and is better than "mil-spec. We also offer the Toolcraft DLC BCG with a 9310 grade tool steel bolt.   My first trip to Austin, Texas, the land of breakfast tacos Update: Some offers. Subscribe to be notified when this product is back in stock. 9310 steel has a high core & fatigue strength rating, a high …. HRC of 46 yields a 15% increase in hardness at the same toughness comparing to Carpenter 158 & 9310- Technical Data on DLC Coating Coating thickness: 2 - 4 μm (Micro Meter) or 2-4 μ (Microns) Hardness HV 0. M16 carrier with a Nickel Boron coating. eastbaytimes obits 125″ Head Space Maxim Firearms - 9310 Steel Stag Arms - Material not listed Underground Tactical - 9310 AQ Steel. For their measurements, both the Dell XPS 13 9310 and Dell XPS 15 9500 are incredibly light. Its oxidation resistance remains high. In contrast to this, LWD doesn't sell bulk steel, it sells products expected to perform beyond mil-spec requirements. 158 has a little more chrome than 9310. Mar 8, 2020 · Why is 9310 Steel the superior option for your AR-15/M16 Bolt? Well, 9310 is actually around 7% stronger than Carpenter 158 and is better than "mil-spec. I meant the difference between Carpenter 158 and 9310. 9310 #Steel vs 300M – What’s the Difference #metalindustry #steelindustry #metalsheet #industry #industrial #industryproduct #metals #business #blogs. 8740 steel firing pin with hard chrome finish. There are many grades of steel wool on the market today. It undergoes shot peening for increased toughness and longevity. Jun 18, 2017 · Lugs were a little more beefy, made from 9310 Vac Arc steel. 223 bolt· Shot peened· Black Nitride finish· 4140 Gas Key Black Nitride finish Properly torqued with Grade 8 fasteners Properly staked to ensure reliability · 4140 Cam Pin Heat Treated Black Nitride …. Sep 6, 2023 · 9310 vs 158 steel both have advantages and disadvantages that should be considered when deciding which type of steel to use. 9310 VAR AMS 6265 is a Chromium-Nickel-Molybdenum Alloy used as a Carburizing Grade for Aircraft Parts. 9310 is easier to machine and is more dimensionally stable in the heat treat process, this equates to …. Fully assembled and ready to drop in. Nov 16, 2013 · Now the bolts, they are made with AISI 9310 Steel, 9310 is better suited for an application such as a M16 bolt. The problem is so many companies advertise 9310 bolts, and you only find out it isn't 9130 when it breaks. By comparison AISI 9310 will on first inspection also make an adequate bolt material. What interested me was the bolt material. 05: 1500-1800 or 70+ HRC Deposition method: PVD UBM/PACVD Friction vs. Three of the cylindrical samples were heat treated prior to deformation at a temperature of 922 K (649 C) for 4 hours to observe its effects on the deformation kinetics and note any comparisons or differences from. Both are modern ultra-high strength steels designed specifically for applications where high strength and durability are of paramount importance. Our Solutions Industries Resources Xometry Enterprise How Xometry Works Become a Supplier. The bolt is high pressure tested (HPT) and magnetic particle inspected (MPI) to ensure it meets the highest standards of quality and safety. To accommodate this, the bolt itself is made from Carpenter No. High alloy content makes it suitable for use in relatively large cross-sections. Carpenter 158 9310 - MAY be harder than Carpenter 158 Nickel baron (easier to clean) Titanium BCG with an S7 bolt. For each property being compared, the top bar is SAE-AISI 4130 steel and the bottom bar is SAE-AISI 9310 steel. The problem is so many companies advertise 9310 bolts, and you only find out it isn’t 9130 when it breaks. Engraved AR Bolt Carrier Group (BCG) – 3% M16 Cut 9310 Steel Carrier Carpenter 158 Steel Bolt 4140 Steel Extractor Mil-Spec O-Ring Mil-Spec Gas Rings4140 Steel Cam Pin8740 Steel Firing Pin with Hard Chrome Finish Magnetic Particle Inspected Available …. These premium 9310 Bolt carrier groups are manufactured by AO Precision to the highest standards of top tier manufacturers within the industry. freightliner pndb wiring diagram 1) Actually, Carpenter 158 is also primarily a mold steel. 56 Bolt Carrier Group (BCG) Product Specs: Features:. Carpenter metal is the only source for 158 so you get consistency. Mar 5, 2010 · Carpenter 158 is just ANSI P6 steel. They might use different steels and do. Perhaps look for a P6 supplier instead? Personally if I was making a new AR-15 bolt I'd go with S7 should handle the stresses of the firing cycle alittle better. Expert Advice On Improving Your Home Videos Latest View All Guides Latest. qlink setup Finish: All Bolt components Shot Peened and Manganese Phosphate or . But is today's Damascus steel the same as that forged centuries ago? Advertisement It may look li. The material composition, such as Carpenter 158 or 9310 steel, and the choice of coating, from phosphate to Diamond-Like Carbon (DLC), can significantly affect the BCG's performance. The BCG has a shrouded firing pin and works in both full-auto M16s and semi-auto AR-15s. However, the tensile strength of 9310 steel is significantly higher than that of 8620 steel. 9310 bolts have a documented history of breaking due to improper heat treating as the 9310 steel heat treat procedure requires very strict control in order to meet the specified surface and. Carpenter 158 is a case (surface) hardened steel where 8620/9310 is through hardened. Decarbonise steel or miss sustainability goals. You always want to make sure the bolt carrier group has top-notch materials so it will last for years to come. 5" Barrel: 18" Fluted Medium Profile. It boils down to personal preference. 57, which is something like $70 off regular price. I think C-158 has to be bought in larger bulk quantities than 9310 which has also led to more 9310 offerings. determined as the average of nine measurements. This bolt carrier group is high pressure tested as well as magnetic particle inspected, and it’s shot peened for added durability. Made from either mil-spec Carpenter 158 steel or high strength 9310 steel, bolt carrier groups from Toolcraft are guaranteed to perform like new for thousands and thousands of rounds. 56 NATO Nickel boron finish M16 cut 9310 steel carrier arpenter 158 steel bolt 4140 steel extractor MIL-SPEC O-ring MIL-SPEC. I have never installed or run this bolt before and was curious if anyone else has had any experience with bolts made from 9310 Vac Arc steel?. At Grid Defense, we provide a diverse range of Bolt Carrier Groups designed to deliver exceptional reliability and performance for your AR-15 rifle. Stick with a C158 phosphate BCG from any reputable brand. 9310 steel bolts have had a measurable reduction in bolt lug shearing vs C158 in the Grendel platform and is why its usage is almost universal in that role. C158 is supposed to technically be stronger than 9310, but many higher end BCG makers are now using 9310 instead of C158 for their bolts b/c they say 158 is …. LESCALLOY 9310 VAC-ARC steel has machinability rating of 40% of B1112 steel. The 9310 Steel is tough and durable and is widely used by. As shown in Table 1, Cartech AerMet 100 alloy has been averaging 246 ksi yield strength, 287 ksi ultimate tensile strength, and 16. Both made for different kinds of applications, and both with different properties. Carpenter 158 and 9310 steel are the best materials for the bolt. I give up - does anyone have the means to use a Webcrawler to download the entire database, and then mass search all of the PDFs offline for 158/9310? 07-16-14, 09:05 Heavy Metal. Tensile Strength: 640 MPa Yield Strength: 360 MPa 9310 (normalized). If its a gun that wont see more than a couple hundred rounds a year, 9310 is . The decision depends largely on the specific requirements of your application. Gas Keys are made from 4130 Steel. Properties with values for just one material (1, in this case) are not shown. Includes a9310 steel bolt assembly which is nitride treated for durability. What I surmised was that 9310 should be a better bolt material as long as it is properly heat-treated. The bolt face is made from 9310 tool steel, shot peened, and magnetic particle inspected. Carpenter 158, on the other hand, contains a high percentage of carbon, which makes it incredibly hard and strong. Jul 4, 2023 · It’s MPI tested and otherwise mil-spec…except that the bolt is made of 9310 steel instead of Carpenter 158. Both SAE-AISI 4340 steel and SAE-AISI 9310 steel are iron alloys. Both SAE-AISI 4140 steel and SAE-AISI 9310 steel are iron alloys. I've seen 9310 used in some bolts and wonder if it's actually inferior. ok google set an alarm for 7:30 Choose from either the very popular 9310 steel or the mil-spec 158 Carpenter steel. cursed smiling emoji Home / PARTS / AR-15 PARTS / AR15 / M16 BCG, NITRIDE. Both SAE-AISI 9310 steel and SAE-AISI H13 steel are iron alloys. It is considered a low alloy Chromium-Nickel-Molybdenum steel that has strong impact resistance as well as wear and abrasion resistance in the hardened condition.  Finish: All Bolt components Shot Peened and Manganese Phosphate or Black Nitride. The carrier is cut to full auto M16 dimensions and is machined from 8620 steel and ground to exact Mil-Spec dimensions. On the other hand, 9310 is a nickel-chromium-molybdenum alloy steel, which is much stronger than 4340 and possesses high levels of wear …. There is a reason the TDP still states that a Carpenter 158 bolt be used. Tensile Strength: 910 MPa Yield Strength: 570 MPa Carpenter 158. Nitride or melonite will not make it stronger.