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. 9310 is a steel typically used for gears, cams and …C 158 vs 9310 Bolt Just ordered a Aero Precision 6.5 bcg with bolt. Bolt is made of 158 carpenter instead of the 9310 i notice most others are. Is the 158 going to hold up fine its a hunting rig for a buddy that probly wont see a lot of rounds. Im sure ...Friction vs Steel: Dry 0.1: Color: Black: MPI and HPT tested; Tensile strengths of 1550-1600 mpa, or 220,000-235,000 psi. Toughness of over 200 ft./lb. Charpy C-Notch; 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;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. 9310 is a steel typically used for gears, cams and things of that nature while Carpenter 158 or P6 tool steel is a plastic injection mold steel. 9310 is easier to machine and is more dimensionally stable in the heat treat process, this equates to better made parts.*The extractors are ... Can somebody tell me what the difference is between c-158 and 9310 and why 9310 isn't mil-spec? I've seen 9310 used in some bolts and wonder if it's actually inferior. Is there technical data to show that c-158 is superior?The heat treatment process must be more closely controlled with 9310, from what I've read. I'm pretty sure Aermet 100 is a better steel than Carpenter 158 or SAE 9310. It's also made by Carpenter Technology Corporation. The Aermet 100 is about 3 times more expensive than Carpenter 158, but doesn't have lot minimums.For AR-10/LR-308 rifles Bolt is made from Carpenter 158 steel Carrier is made from 8620 steel ground to mil-spec Nitride finishOrder today! Key Specifications Item ... The 223 Bolt and Bolt Carrier Assembly is compatible with 5.56 and 300 Blackout. Enhanced 9310 Steel (Bolt) 8620 Tool Steel (Carrier) Mil-Spec Extractor Spring, black ...But Carpenter cares little or nothing about whether bolts made from 158 steel break prematurely or not. Carpenter has never made or even tested a single bolt, and doesn't warranty any of the bolts manufactured using it's 158 steel. Conversely, LWD provides a lifetime guarantee on the bolt they engineered, tested, and manufactured …May 12, 2016 · It has been the "Mil-Spec" since. Since the creation of Carpenter 158, the metals industry has continued to innovate, creating new blends of steels. 9310 is a AISI …Can somebody tell me what the difference is between c-158 and 9310 and why 9310 isn't mil-spec? I've seen 9310 used in some bolts and wonder if it's actually inferior. Is there technical data to show that c-158 is superior?Nov 14, 2013 · Thread: Carpenter 158 Vs. 9310. Thread Tools. Show Printable Version; 11-14-13, 18:32 #11. Mr blasty. View Profile View Forum Posts View Articles Member Join Date ... Nov 14, 2013 · Thread: Carpenter 158 Vs. 9310. Thread Tools. Show Printable Version; 11-14-13, 18:32 #11. Mr blasty. View Profile View Forum Posts View Articles Member Join Date ... Can somebody tell me what the difference is between c-158 and 9310 and why 9310 isn't mil-spec? I've seen 9310 used in some bolts and wonder if it's actually inferior. Is there technical data to show that c-158 is superior?A little more expensive, but easier to heat treat with little if any distortion. You can get 55 c scale with S-7 air quench. The other two have to be done in a carbon gas atmosphere . S-7 has a higher shock rating, but slightly less in the wear and abrasion than 9310 or 158.This Toolcraft Bolt is made of Mil-spec Carpenter 158 steel, shot peened, and mag particle inspected. Gas key is chrome lined, phosphate coated, and secured with grade 8 fasteners and staked per mil-spec. Full-auto bolt carrier is phosphate coated and chrome lined. Made in …Aquí nos gustaría mostrarte una descripción, pero el sitio web que estás mirando no lo permite.$ 185.00 $ 158.73 Add to cart. Sale! FREE SHIPPING ITEM! Faxon 308 WIN 16″ Big Gunner Barrel $ 239.00 $ 201.30 Add to cart. Sale! FREE SHIPPING ITEM!I've seen 9310 used in some bolts and wonder if it's actually inferior. Is there technical data to show that c-158 is superior? Carpenter 158 Vs. 9310 - Page 11The 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. S7 provides a 75% increase in tensile strength, and nearly 60% improvement in yield strength.-See it at Sharps here. Low Plasticity Roller Ball Burnishing:They are both excellent. 9310 has a small amount of molybdenum, 158 does not. 158 has a little more chrome than 9310. Otherwise they are almost identical. 9310 is more available. I use S-7 . A little more expensive, but easier to heat treat with little if any distortion. You can get 55 c scale with S-7 air quench.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. S7 provides a 75% increase in tensile strength, and nearly 60% improvement in yield strength.-See it at Sharps here. Low Plasticity Roller Ball Burnishing: Jan 6, 2014 · Carpenter 158 is a case (surface) hardened steel where 8620/9310 is through hardened. 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. 8620/9310 being through hardened can either be softer and better at ... This Toolcraft DLC Bolt Carrier Group is paired with a MIL-SPEC Carpenter 158 bolt. This bolt steel has served the U.S. 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! This is a 223/5.56/300 Blackout bolt carrier group. This BCG will ...Jan 6, 2014 · Carpenter 158 is a case (surface) hardened steel where 8620/9310 is through hardened. 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. 8620/9310 being through hardened can either be softer and better at ... 9310 is a standard. Carpenter 158 is proprietary alloy, and no real difference from 9310 in effective use of weaponry in a bolt. The difference between C-158 and 9310, I just don't see it. There is no evidence, let alone testing differences to the practical extent that it …... vs Semi-Auto Bolt Carrier Groups; Mil-Spec Bolt Carrier Groups; HPT and MPI Tested ... except that the bolt is made of 9310 steel instead of Carpenter 158. The ...I recently purchased a Toolcraft 5.56 NATO Black Nitride BCG....but choose 9310-Steel-Bolt instead of the Carpenter 158 steel bolt? Do I need to return it...This Toolcraft Bolt is made of Mil-spec Carpenter 158 steel, shot peened, and mag particle inspected. Gas key is chrome lined, phosphate coated, and secured with grade 8 fasteners and staked per mil-spec. Full-auto bolt carrier is phosphate coated and chrome lined. Made in …Can somebody tell me what the difference is between c-158 and 9310 and why 9310 isn't mil-spec? I've seen 9310 used in some bolts and wonder if it's actually inferior. Is there technical data to show that c-158 is superior?8620 Steel vs 9310. At first glance, it makes sense to compare these 2 steels. They’re both low alloy steels with nickel and chromium. But the 9310 steel is much more reliably stronger, and with greater toughness as well. It offers greater tensile strength and yield strength.For someone who wants become a carpenter, an associate’s degree or certificate to become employed in the profession is needed. Most carpenters need to learn and master basic carpentry skills through formal education and apprenticeships.Firearm Discussion and Resources from AR-15, AK-47, Handguns and more! Buy, Sell, and Trade your Firearms and Gear.9310 or Carpenter 158 Steel: Bolt Finish: Nickel Boron: Caliber: 223/5.56/300 Blackout: Extractor O-ring: Viton; Mil Spec: Carrier Material: 8620 Steel, Toolcraft Proprietary: Carrier Finish: Nickel Boron: Carrier Design: M16 Full Auto Style: Gas Key Material: 4130 Steel: Cam Pin Material: 4140 Steel:Jun 21, 2014 · The heat treatment process must be more closely controlled with 9310, from what I've read. I'm pretty sure Aermet 100 is a better steel than Carpenter 158 or SAE 9310. It's also made by Carpenter Technology Corporation. The Aermet 100 is about 3 times more expensive than Carpenter 158, but doesn't have lot minimums. Firearm Discussion and Resources from AR-15, AK-47, Handguns and more! Buy, Sell, and Trade your Firearms and Gear. Typically, the carrier itself is machined from 8620 or 9310 steel, with the bolt itself being Carpenter 158. The firing pin may be 8740 steel and chrome ...Carpenter 158 is 9310 with case hardening It's not, Carpenter 158 is a propitiatory steel alloy. It has similar (arguably superior) properties to 9310 but it is not 9310.8620 Steel vs 9310. At first glance, it makes sense to compare these 2 steels. They’re both low alloy steels with nickel and chromium. But the 9310 steel is much more reliably stronger, and with greater toughness as well. It offers greater tensile strength and yield strength.Feb 11, 2017 · Can somebody tell me what the difference is between c-158 and 9310 and why 9310 isn't mil-spec? I've seen 9310 used in some bolts and wonder if it's actually inferior. Is there technical data to show that c-158 is superior? Jul 7, 2023 ... 9310 steel and Carpenter 158 steel differ in their composition and intended applications. 9310 steel is a nickel-chromium-molybdenum alloy ...Sep 22, 2021 ... HRC of 46 yields a 15% increase in hardness at the same toughness comparing to Carpenter 158 & 9310 ... or Carpenter 465 would be good materials ...Lifetime Warranty & Made in the U.S.A. Toolcraft AR15 Nickel Boron BCG is a Full-Auto M16 BCG manufactured using the finest U.S-sourced raw materials. The Nickel Boron coating vastly increases the lubricity and wear resistance while preventing corrosion. The Bolt Carrier Group is the heart of your rifle, and if you want to upgrade the ...Sep 22, 2021 ... HRC of 46 yields a 15% increase in hardness at the same toughness comparing to Carpenter 158 & 9310 ... or Carpenter 465 would be good materials ...Sep 22, 2021 ... HRC of 46 yields a 15% increase in hardness at the same toughness comparing to Carpenter 158 & 9310 ... or Carpenter 465 would be good materials ...9310 or Carpenter 158 Steel: Bolt Finish: Nickel Boron: Caliber: 223/5.56/300 Blackout: Extractor O-ring: Viton; Mil Spec: Carrier Material: 8620 Steel, Toolcraft Proprietary: Carrier Finish: Nickel Boron: Carrier Design: M16 Full Auto Style: Gas Key Material: 4130 Steel: Cam Pin Material: 4140 Steel:Toggle navigation. www.battlecreekarmory.com. HOME; AR-15. UPPER ASSEMBLIES.300 BLKOUT; 5.56 /.223 WYLDEA little more expensive, but easier to heat treat with little if any distortion. You can get 55 c scale with S-7 air quench. The other two have to be done in a carbon gas atmosphere . S-7 has a higher shock rating, but slightly less in the wear and abrasion than 9310 or 158.AXIAL FATIGUE VS 9310 Maximum Stress Level (ksi) Nf, Cycles to Failure 200 180 160 140 100 120 80 1.E+04 1.E+05 1.E+06 1.E+07 1.E+08 AXIAL FATIGUE PROPERTY DATA Ferrium C61 9310 Kt = 1.0, R = 0.10 Shot peened 0.30 in. gage diameter LongitudinalApr 29, 2017 · Can somebody tell me what the difference is between c-158 and 9310 and why 9310 isn't mil-spec? I've seen 9310 used in some bolts and wonder if it's actually …Made in USA. Bolt is made of Mil-spec Carpenter 158 steel, Shot peened, High pressure tested and Mag Particle Inspected. Gas key is machined out of bar stock, chrome lined phosphate coated, and secured with grade 8 fasteners and staked per mil-spec. Bolt carrier is phosphated outside and chrome lined inside. Laser engraved with the PSA logo.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. 9310 is a steel typically used for gears, cams and …BOLT CARRIER GROUPS ARE WHERE THE RUBBER MEETS THE ROADWhile most people will say that the BCG is the heart of your rifle, most people don’t know why or whatMar 26, 2015 · This, c158 has to be purchased in massive quantities, while 9310 can be purchase in a quantity more reasonable for a small company. Can also hold up to the stress a bolt is put under as well as 158 with proper heat treating. View All Quotes. better actually however, the heat treating must be done right. Carpenter bees may seem harmless, but they can cause significant damage to your wooden structures. These bees bore holes into the wood and lay eggs, which can weaken the structure and make it prone to collapse.Can somebody tell me what the difference is between c-158 and 9310 and why 9310 isn't mil-spec? I've seen 9310 used in some bolts and wonder if it's actually inferior. Is there technical data to show that c-158 is superior?PSA Freedom AR-15 Nitride Bolt Carrier Group With Carpenter 158 Bolt - 516446915 . Rating: 95%. Regular Price $129.99 Special Price $89.99. Add to Cart. Add to Wish List Add to Compare. PSA 20" Rifle-Length 6.5 Grendel 1/8 Stainless Steel Barrel & BCG Combo - …The 9310 steel is another common material for bolts and carriers, but it’s cheaper and not as strong as the Carpenter 158. The tensile strength of 9310 steel comes in at 910 MPa, while its yield strength is 570 MPa. Finally, the 8620 steel is the cheapest option, and you can usually find it on the carrier, not the bolt. C 158 vs 9310 Bolt. Just ordered a Aero Precision 6.5 bcg with bolt. Bolt is made of 158 carpenter instead of the 9310 i notice most others are. Is the 158 going to hold up fine its a hunting rig for a buddy that probly wont see a lot of rounds.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. 9310 is a steel typically used for gears, cams and things of that nature while Carpenter 158 or P6 tool steel is a plastic injection mold steel. 9310 is easier to machine and is more dimensionally stable in the heat treat process, this equates to better made parts.*The extractors are ... Bolt Steel: Carpenter 158 Bolt Carrier Profile: Full-auto Charging Handle included: Yes Build Kit: PSA Classic EPT Lower Build Kit, Flat Dark Earth Overall Length: 24.5" Features. Barrel: 4150V Chrome-moly steel, chambered in 5.56 NATO, with a 1:7 twist, M4 barrel extension, nitride treated, and a mid-length gas system.at some point, it is how many angels can dance on the head of a pin. 9310 is a standard. Carpenter 158 is proprietary alloy, and no real difference from 9310 in effective use of weaponry in a bolt. The difference between C-158 and 9310, I just don't see it. There is no evidence, let alone testing differences to the practical extent that it matters.The 9310 steel is another common material for bolts and carriers, but it’s cheaper and not as strong as the Carpenter 158. The tensile strength of 9310 steel comes in at 910 MPa, while its yield strength is 570 MPa. Finally, the 8620 steel is the cheapest option, and you can usually find it on the carrier, not the bolt. C 158 vs 9310 Bolt Just ordered a Aero Precision 6.5 bcg with bolt. Bolt is made of 158 carpenter instead of the 9310 i notice most others are. Is the 158 going to ...Carpenter No. 158 Bolt Steel. This is Mil-Spec steel for bolt fabrication and offered case hardened steel to prevent cracking and surface wear. Tensile Strength: 1103 MPa; Yield Strength: 931 MPa; 9310 Steel. Similar to Carpenter No. 158 and is used for both carrier and bolt manufacturing, it is more widely available and is more affordable.AIM Surplus Bolt Carrier Review. I just received the AIM surplus bolt carrier, which many of you may know about due to its amazingly low price of $79 dollars shipped. What interested me was the bolt material. Typically the AR15 community looks for C-158 which is a blend of steel from Carpenter. 9310 is also a Carpenter product, but the …Forty years ago, John Carpenter released a horror movie called The Thing. In the early ‘80s, Hollywood seemed to be extremely interested in extraterrestrial life and the not-quite-human: in 1982 alone, three of the top 30 movies were E.T., ...Jul 4, 2023 · It’s MPI tested and otherwise mil-spec…except that the bolt is made of 9310 steel instead of Carpenter 158. The chances of that mattering for an average shooter that puts even a few thousand rounds downrange a year is super slim. In the back of your mind, you’ll know it’s not mil-spec…but it’s about half the price of the BCM. Thread: Carpenter 158 Vs. 9310. Thread Tools. Show Printable Version; 11-14-13, 18:32 #11. Mr blasty. View Profile View Forum Posts View Articles Member Join Date Jun 2010 Location MN Posts 947 Feedback Score 6 (100%) Originally Posted by SilverBullet432.Enter 9310. This is an AISI standard grade of tool steel that, when properly heat-treated, is approximately 7% stronger than Carpenter 158. With heat treatment, ...SAE 9310 is even harder and with C158 are popular in top tier systems. ... Carpenter 158 is more common in top tier carrier groups. It is harder and stronger. 9310 is a very good steel too. both more suitable for bolts than 8620. Save. This is an older thread, ...Thread: Carpenter 158 Vs. 9310. Thread Tools. Show Printable Version; 11-14-13, 18:32 #11. Mr blasty. View Profile View Forum Posts View Articles Member Join Date ...Compared to modern alloys, 158 is a very poor choice for carbine weapons, failing in as little as 3,000 rounds when pushed hard - 9310 is far superior in this respect. Continued.... Several have made claims that AISI 9310 has problems. Maybe it does. But it is a fact that 9310 is the most frequently used steel alloy for aircraft gears.Aquí nos gustaría mostrarte una descripción, pero el sitio web que estás mirando no lo permite.However by comparison to Carpenter 158, AISI 9310 has several elements present in its composition that are detrimental to fatigue while not being evident in the physical properties. It has become evident from the industry that a number of manufacturers have jumped upon the AISI 9310 wagon in order to claim better performance.Bren · #2 · Aug 21, 2019. 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. I doubt it makes any difference, but the C158 is the mil spec, so it has been tried and tested a lot more for a lot longer, so I went with that.Can somebody tell me what the difference is between c-158 and 9310 and why 9310 isn't mil-spec? I've seen 9310 used in some bolts and wonder if it's actually inferior. Is there technical data to show that c-158 is superior?Perhaps this is the wrong outlet to make this question, but can anyone tell me the difference in reliability and longevity between a bolt made from 9310 steel and Carpenter 158 steel? Does one resist shearing better but is more brittle, I assume something along those lines is the difference. Apr 17, 2019 ... This is typically going to be made of 9310 or Carpenter 158 steel. Bolt Parts: Bolt Body; Gas Rings; Lugs; Extractor; Ejector; Bolt face. Gas ...Jan 6, 2014 · Carpenter 158 is a case (surface) hardened steel where 8620/9310 is through hardened. 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. 8620/9310 being through hardened can either be softer and better at ... #1 For when the gun store expert says, "If it ain't mil-spec, it ain't shit". The C158 specified for M16 bolts dates to the 60's. Technology has advanced a little since then. Why 9310 Steel in an AR-15 / M16 Bolt? Why is 9310 Steel the superior option for your AR-15/M16 Bolt?Carpenter 158. UNS T51606. SAVED SAVE TO FAVORITES. Alloy & Specialty Steel ... Please note that Carpenter Technology does not sell or share personal information ...It has been the "Mil-Spec" since. Since the creation of Carpenter 158, the metals industry has continued to innovate, creating new blends of steels. 9310 is a AISI standard grade of tool steel that makes it about ~7% stronger than "mil-spec" Carpenter 158 steels, when appropriately treated.Firearm Discussion and Resources from AR-15, AK-47, Handguns and more! Buy, Sell, and Trade your Firearms and Gear.Quoted: As I understand it, Carpenter 158 is a case (surface) hardened steel where 8620 is through hardened. This would allow 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. 8620 being through hardened can either be softer ...The most common is Carpenter 158 or C-158 steel, and the second most popular is 9310 steel. BOLT MATERIALS: CARPENTER 158 Vs 9310-STEELĪnother place different manufacturers try to stand out is what kind of steel they choose for their bolts.8620 Steel vs 9310. At first glance, it makes sense to compare these 2 ste, 19. C 158 vs 9310 Bolt. Just ordered a Aero Precision 6, C-158 is simply Carpenters trade name for P-6 tool steel. P-6 and 9310 are very close in composition. The 9310 has some, Jul 15, 2014 ... What interested me was the bolt m, TOOLCRAFT NON-LOGOED PREMIUM 5.56 NICKEL BORON BCG WITH CARPENTER 158 , Product Description. SAA AR-15 .223/5.56 Bolt Assembly Carpenter 158 - MPI Tested. Replacement Asse, Firearm Discussion and Resources from AR-15, AK-47, Handguns and more! Bu, Survivalist. It's my understanding that the 158 is mil spec f, What is the difference between Carpenter 158 and 9310 steel, Available in either 9310 or C158 Steel Bolt. Toolcr, Looks like a $10 "premium" for the black nitrate over th, Can somebody tell me what the difference is betwee, Carpenter No. 158 Bolt Steel. Carpenter No. 158 steel is the mil, A lot of manufacturers offer a completely 9310 steel , Apr 13, 2012 Messages 156 Location Goose Creek, S.C. Think I read som, Faxon 6.5 Grendel "Type 2" .136 9310 Bolt Carrier Complete , · Carpenter 158 is a case(surface) , Carpenter ant infestations are indicated by piles of wood s.