Carpenter 158 vs 9310.

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?C158 minus proprietary source + molybdenum = 9310, a slightly stronger steel with lower quench rates to be come hard and less likely to become brittle than C158. C158 bolt breakages are the biggest failure point for the AR-15 bolt carrier group, and is the biggest reason why C158 is not widely used outside of the AR-15.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.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. C158 minus proprietary source + molybdenum = 9310, a slightly stronger steel with lower quench rates to be come hard and less likely to become brittle than C158. C158 bolt breakages are the biggest failure point for the AR-15 bolt carrier group, and is the biggest reason why C158 is not widely used outside of the AR-15.

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 ... Apr 29, 2017 · 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 using 9310. Carpenter's sales and profits are guaranteed by mil-spec mandates, regardless of final product performance ... 9310 Steel 9315 Steel 9315 Steel 9395 Steel 9395 Steel 9420 Steel 9420 Steel 9440 Steel 9440 Steel 94B17 Steel 94B17 Steel 9860 Steel 9860 Steel 98B45 Steel ... Carpenter No. 883 Steel Carpenter No.158 Steel Carpenter O1 Steel Carpenter O1 Steel Carpenter Pyrowear 675 Steel Carpenter Pyrowear 675 Steel Carpenter S2 Steel

Strengths and Weaknesses of Both Steel Types. While 9310 Tool Steel and Carpenter Steel have exceptional properties, they also have weaknesses. 9310 Tool Steel is known to be brittle at room temperature, while Carpenter Steel has a lower resistance to corrosion and oxidation. If cost is a major consideration for your project, Carpenter Steel ...Available in either 9310 or C158 Steel Bolt. Toolcraft 5.56 NATO Black Nitride Bolt Carrier Group is a Full-Auto M16 BCG manufactured using the finest U.S-sourced raw materials. The Black Nitride coating vastly increases the hardness of the steel, prevents corrosion, is highly resistant to wear, will not flake (it’s not a coating, it’s a ...

Thread: Carpenter 158 Vs. 9310. Thread Tools. Show Printable Version; 04-29-17, 14:46 #121. AR-556. View Profile View Forum Posts View Articles Member Join Date Aug 2016 Location The South Posts 190 Feedback Score 0. Originally Posted by Eurodriver.Dec 10, 2013 · Wilson combat 9310 steel - on sale for $98.57. BCGs are coming down in price and I want to buy a couple of good quality ones while prices are good. I have a Palmetto State Armory premium 158 Carpenter steel bolt carrier group on the way, I ordered it last week for $109. The other BCG I was looking at was the Rainier Arms for $119 and a lifetime ... Apr 9, 2021 · If fact, 9310 response to thin section quenching is better that Carpenter 158. And, taking the leap between this statement:". . . 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 . . ." and this statement: Features a carrier made from Carpenter 158 Tool Steel, and an 8620 steel with an M16 cut bolt. High Quality. ... Steel is further classified according to availability as well as easily machined variants. 9310 and 8620 steel and the high core strength Carpenter 158 steel are the recommended material for military specification BCGs.There are different grades of 9310. Vac Arc being the highest. More and more bolts are being made from it because of availability. 158 is controlled by Carpenter and you have minimum weight orders to meet or they will not sell to you. Some say 9310 has a slight advantage over 158, but looking at the chemical makeup, they are very similar.

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 - …

Jun 26, 2023 · The steel used is properly hardened, but I don’t think it’s technically Carpenter 158. However, at under $170, an HPT and MPI-tested BCG is a great value. You should know that many would say ...

PSA Logoed Premium 5.56 Nickel Boron BCG with Carpenter 158 Bolt - 516446450 . Rating: 94%. Regular Price $199.99 Special Price $99.99. Add to Cart. Add to Wish ... Nov 17, 2021 ... ... 9310 steel and is magnetic particle inspected, features a nitride finish. On ... last a lot longer than a Carpenter 158 bolt. It's a stronger ...#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?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.Conclusion. In conclusion, 9310 and 158 steel have unique properties and characteristics that make them ideal for certain applications. 9310 steel is tougher and more impact-resistant, while 158 steel is more corrosion-resistant. When choosing between the two, it’s important to consider your project’s specific requirements and needs.

Toolcraft Inc. is an OEM manufacturer of bolt carrier groups (BCGs) for many AR15 makers. These companies know they can trust Toolcraft quality and are proud to have their logos applied to Toolcraft BCGs. Toolcraft products are also trusted by the U.S. Military and carry a lifetime warranty. Finish is Black Nitride which is a metal treatment ...... 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 ...Jun 23, 2022 ... ... or better, provided it is made of the proper material, typically the bolt itself consisting of Carpenter 158 steel, and the carrier being 9310 ...Looks like a $10 "premium" for the black nitrate over the phosphorus (both with Carpenter 158 bolts). Don't get me wrong - I'm not trying to "save" ten bucks. Tell me which of these are "better" and that's the one I'll get. Posted ... C158 and 9310, are in high load gears, often in helicopter transmissions, ...Apr 29, 2017 · 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 using 9310. Carpenter's sales and profits are guaranteed by mil-spec mandates, regardless of final product performance ... 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 ... May 4, 2013 ... C158 is harder and might be a better option for that purpose / defense carbine. SAE 9310 is even harder and with C158 are popular in top tier ...

Apr 29, 2017 · Thread: Carpenter 158 Vs. 9310. Thread Tools. Show Printable Version; 04-29-17, 14:46 #121. AR-556. View Profile View Forum Posts View Articles Member Join Date ... 11-14-13, 06:26 #1 eperk Member Join Date Aug 2012 Location Northeast MS. Posts 460 Feedback Score 0 Carpenter 158 Vs. 9310 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?

Dec 10, 2013 · Wilson combat has a 9310 steel Bolt Carrier Group on sale for $98.57, which is something like $70 off regular price. 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 $98.57. 11-14-13, 06:26 #1 eperk Member Join Date Aug 2012 Location Northeast MS. Posts 460 Feedback Score 0 Carpenter 158 Vs. 9310 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?3. Toolcraft LOGO’D Premium 5.56 Nickel Boron BCG W/ Carpenter 158 Bolt. Number 3 on this list of the best PSA BCGs is the Toolcraft Logo’d Premium 5.56 Nickel Boron BCG with Carpenter 158 Bolt. Now you may be saying to yourself, that this is a Toolcraft BCG not a PSA BCG, but here’s the deal, Toolcraft makes a lot of BCGs for …Jul 28, 2021 · Carpenter 158 was originally developed as a dies steel and when carburized is best suited for application requiring high core strength and subjected to heavy shock and wear. Carburized 9310 is a very good steel when high core strength, toughness, fatigue, and wear properties are required. Wilson combat has a 9310 steel Bolt Carrier Group on sale for $98.57, which is something like $70 off regular price. 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 $98.57.Jun 29, 2013 · 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. Faxon 6.5 Grendel "Type 2" .136 9310 Bolt Carrier Complete - Nitride. $165.00. Faxon. 1. 2. Next. Browse our selection of AR bolts and bolt carrier groups including: tin or titanium nitride bcg's. We strive to create the best bolt carrier groups and bolts.High Strength Stainless Steels. An alloy is generally considered a high strength stainless steel when it meets several key requirements. First, it must have an ultimate tensile strength (UTS) of 225 ksi (1550 MPa) or more, and a minimum yield strength (YS) of 200 ksi (1378 MPa). Tensile ductility must be good, with a minimum 10% elongation ...Both SAE-AISI 4140 steel and SAE-AISI 8620 steel are iron alloys. Their average alloy composition is basically identical. For each property being compared, the top bar is SAE-AISI 4140 steel and the bottom bar is SAE-AISI 8620 steel. SAE-AISI 4140 (SCM440, G41400) Cr-Mo Steel SAE-AISI 8620 (SNCM220, G86200) Ni-Cr-Mo Steel.I think. 9310 has a better charpy rating which should help to keep the lugs from ripping off the body of the bolt. From what I understand is what is said above. 158 has to be bought in bulk to make it worth while and affordable. The 9310 is cheaper to buy in smaller quantities.

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 Longitudinal

It is a super hard finish that runs smooth and is both easy to clean and easy on the wallet. For a comparison of the top 3 black BCG finishes see our article The Best Black BCG Finish - Phosphate vs …

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. The Aero PRO BCG is a fairly new addition to Aeros lineup. This is a step above their standard option, but it is well worth the extra cost as the BCG is one of the most critical components of your rifle. The PRO BCG features an 8620 carrier, a 9310 bolt, and a 4140 Extractor, Cam Pin, and Gas Key. C158 is our preferred bolt material, but 9310 ...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.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.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.Black Nitride AR15 Bolt made from Carpenter 158 steel. The bolts are also Shot Peened and MPI (Magnetic Particle Inspected) and feature Billet Machined ...9310 has a better charpy rating which should help to keep the lugs from ripping off the body of the bolt. From what I understand is what is said above. 158 has to be bought in bulk to make it worth while and affordable. The 9310 is cheaper to buy in smaller quantities.This bolt carrier group is high pressure tested as well as magnetic particle inspected, and it’s shot peened for added durability. The bolt is Carpenter 158 steel and the carrier is 8620 steel. And it has a Mil-Spec phosphate, matte black finish. The BCG has a shrouded firing pin and works in both full-auto M16s and semi-auto AR-15s.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., ...

Though Carpenter 158 and 8620 steel are used for making Mil-Spec AR-15s, M4s, and M16s, many commercial manufacturers also use other materials. For instance, Faxon Firearms use 9310 Steel bolts for their BCG, and V Seven Weapon System offers a bolt carrier in Grade 5 Titanium. These materials are actually stronger than Mil-Spec steel and are ... 19. 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 …This premium backup bolt is a 9310 MPI spare bolt that perfectly fits the M16 and AR15 carriers and has a black nitride finish that provides increased corrosion resistance, natural lubrication and improved strength. When comparing 9310 vs 158 bolts, 9310 steel bolts provide a more reliable and durable base metal.Available in either 9310 or C158 Steel Bolt. Toolcraft 5.56 NATO Black Nitride Bolt Carrier Group is a Full-Auto M16 BCG manufactured using the finest U.S-sourced raw materials. The Black Nitride coating vastly increases the hardness of the steel, prevents corrosion, is highly resistant to wear, will not flake (it’s not a coating, it’s a ...Instagram:https://instagram. larry wheels squathobby lobby montrose codid ross shimabuku leave khon2convenience center greeneville tennessee The Carpenter 158 has to be purchased in 20,000 Lb lots and is roughly $5/Lb. So I was wondering if there was another type of material out there that had the same chemical properties as the Carpenter 158, but could be purchased in smaller quantities (i.e. 1000 Lbs?) florida 100x the cash remaining prizes466 pill Posted on 1/16/21 at 2:25 pm. 1 0. Been examining the differences between C158 and 9310 steel bolts for the AR platform, and now I'm more confused than before. 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 antiquated and they have ...Nov 14, 2013 · 11-14-13, 06:26 #1 eperk Member Join Date Aug 2012 Location Northeast MS. Posts 460 Feedback Score 0 Carpenter 158 Vs. 9310 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? costco pleasant prairie gas price Posted on 1/16/21 at 2:25 pm. 1 0. Been examining the differences between C158 and 9310 steel bolts for the AR platform, and now I'm more confused than before. 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 antiquated and they have ...... 9310 alloy steel as an acceptable bolt material and substitute for Carpenter 158 (Carpenters brand name AISI P6 Spec mold steel). 8620 Carrier. 9310 Bolt MP ...