Carpenter 158 vs 9310. 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. 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 figured out how to make 9310 better than "mil-spec." Faxon uses 9310 in their bolts and ...

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?)

... 9310 Steel. Carpenter 158 is available for an additional charge.  Finish: All Bolt components Shot Peened and Manganese Phosphate or Black Nitride ...Tiger Rock 9mm Caliber AR Complete Upper Receiver (2) $439.95 (Save $19.96) $419.99. Tiger Rock AR-15 Bolt Carrier Group (BCG) Assembly with Tactical Charging Handle Assembly $139.99 (Save $10.00) $129.99. 3 models Tiger Rock AR-9mm Complete Pistol Buffer Tube Kit (1) As Low As (Save Up to 20%) $55.99.

In a rifle bolt there are only two things we need to be concerned with: the physical properties of the steel (hardness, strength, elasticity, etc), and shape. The physical properties of Carpenter 158 and 9310 are similar, and as long as the finished product passes gauging. the shape is correct.[#1] This is a debated topic. 9310 is supposed to be harder and more durable if heat treated correctly. They get a bad rap because when they first hit the market there were a lot that were not heat treated correctly and failed C158 is the Mil spec standard with a long track record of reliability. It is usually the most desiredStag Arms – Mil-Spec shot peened Carpenter 158 steel.440″ Bolt Face. 6.5 Grendel – Type 2 with .136″ Head Space; 7.62x39mm – Type 1 with .125″ Head Space; 6mm ARC – Type 2 with .136″ Head Space; Who Makes these? Maxim Firearms – 9310 Steel Stag Arms – Material not listed Underground Tactical – 9310 AQ Steel.473″ Bolt ...Carpenter 158. UNS T51606. SAVED SAVE TO FAVORITES. Alloy & Specialty Steel ... Please note that Carpenter Technology does not sell or share personal information ...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.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...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.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? The difference is in the steel. 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. Carpenter 158 is mil-spec, but many companies nowadays are opting for "stronger" steels like 9310 and S7 which are both ...The bolt carrier is the housing of the entire BCG and contains ALL the other parts. This part is what contacts the buffer spring and absorbs the incredible force of expanded gas. The strength of this part is crucial for not only proper use, but safety, and is made from three types of forged steel: Carpenter no. 158, 8620, or 9310. Gas / Carrier Key

9310 ALLOY STEEL – AMS 6265 VAR – UNS93106 DATA SHEET GENERAL CHARACTERISTICS: 9310 VAR AMS 6265 is a Chromium-Nickel-Molybdenum Alloy used as a Carburizing Grade for Aircraft Parts. Users can obtain high case hardness coupled with high core strength and toughness. High alloy content makes it suitable for use in relatively large cross-sections.Posted: 7/17/2014 3:12:39 PM EDT. Sharps' Relia-Bolt has significantly come down on its price since its unveiling around the first of the year due to now being only $79.99. Being an S7 tool steel bolt with a NP3 finish for a hair less than $80, I decided to order one to try out in my upcoming build. I ordered it early Monday Morning, it shipped ...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 standard grade of tool steel that makes it about ~7% stronger than "mil-spec" Carpenter 158 steels, when appropriately treated. Survivalist. It's my understanding that the 158 is mil spec for the bolt, 8620 is spec for the carrier and 9310 is less than 10% harder than the 158. I think I've read somewhere that 158 was a proprietary from one company and that it is case hardened.

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 …

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.

Barrel Length: 16" Gas System: Mid-LengthBarrel Profile: A2 StyleBarrel Steel: 4150V Chrome MolyBarrel Finish: NitrideChrome Lining: NoMuzzle Thread: 1/2-28Chamber: 5.56 NATOTwist Rate: 1 in 7"Barrel Extension: M4Diameter at Gas Block: .750" Gas Block Type: Low-profileMuzzle Device: A2 Flash HiderReceiver Material: Forged 7075 T6Receiver Type: M4Handguard Type: PSA 13.5" Lightweight M-Lok Free ... 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. Here’s the information on both the DLC and NiB-X coatings. Technical Data on DLC Coating …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 ...Apr 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 …M16 Nitride BCG | Full Auto Rated | Nitride Coating | 8620 Carrier | M16 Carrier | Tool 7 Steel Extractor | Viton O-Ring | 9310 Bolt.

Toolcraft Logo'd Carpenter 158 Nitride Full-Auto Bolt Carrier Group . Rating: 91%. Regular Price $129.99 Special Price $99.99. Add to Cart. Add to Wish List Add ...Carpenter No. 158 Bolt Steel. Carpenter No. 158 steel is the mil-spec steel used for fabricating the bolt itself. This type of steel is more expensive than 9310 (another popular steel used for the bolt and carrier), but it provides the best performance and lifespan for the BCG.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 …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 molybedenum while the P-6 has more chrome and nickel. 9310 is about half the cost of P-6. Which is better? Don't know, I barely made it through that class. IMO, the heat treat is probably more important than the alloy comp.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.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 ... The SAE 9310 of the JP EnhancedBolt™ is a superior steel alloy in virtually every way compared to the C-158, whether in its resistance to structural failure or life expectancy, both of which far exceeding the Mil-spec. Just as with the transmission gears for Formula 1 racers which are also made from 9310, the operational demands of a bolt ...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.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.Click The Button Below To Learn More About The Toolcraft 5.56 Phosphate MPI Full-Auto BCG – No Logo (Over 195 Reviews!): 3. Toolcraft Nitride Full-Auto BCG (w/ Logo & Carpenter 158 Bolt) Number 3 on this list of fantastic BCGs is the Toolcraft Nitride Full Auto BCG, and there are a number of reasons why I like it.Aug 21, 2020 ... ... 158-carpenter-sp-hpt-mpi/ Specs: Sons of Liberty Gun Works Bolt ... (vs 4140), Heat treated Shot peen per ASTM B851/SAE AMS2430S. Extractor ...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.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.Aug 26, 2023 · 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.  · I've read about this in a few different places, the jist of it is that 9310 is easier to procure, easier to machine (as opposed to injection molded for c-158) and only …Np. The firearmhistory had some great info. 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%. So, as always, better make sure you're buying from a reputable manufacturer. I wouldn't pursue a 9310 bolt simply for the sake of having one made out …Carpenter 158. Some consider Carpenter 158 the best steel grade for a bolt. It is chrome-nickel alloy steel. Industry specs say when case hardened, this is ideal for parts that experience heavy shock and wear. That describes a bolt perfectly. Carpenter Steel is also a proprietary alloy only available from Carpenter Technology. I find it ...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 - …

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 ...When an AR-­15 experiences a catastrophic failure, it is almost always the bolt that breaks. It’s either a lug on either side of the extractor or the bolt body where the cam pin passes through it. LMT’s enhanced bolt is much tougher than anything made from Carpenter 158 or 9310 steel.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 ...Carpenter No. 158 Bolt Steel. Carpenter No. 158 steel is the mil-spec steel used for fabricating the bolt itself. This type of steel is more expensive than 9310 (another popular steel used for the bolt and carrier), but it provides the best performance and lifespan for the BCG.1.20. Zr-0.0C1%Hf (Grade 21) Zircaloy 2 (Grade 32) Zircaloy 4 (Grade 34) Spot Welding Equip. Thermodes (Hot-bars) ACF BONDING EQUIP. Machining. Have a look at our machinability rating graph which without a doubt will make your decision a lot easier with its incredibly detailed information.Aquí nos gustaría mostrarte una descripción, pero el sitio web que estás mirando no lo permite.Carrier made with 8620 Steel and bolt made from Carpenter 158 Steel which is USGI Spec. ... Nitride VS. Chrome Lined - Which is better? Connect with Us: © 2023 ...11-17-13, 07:36 #32 Palmguy Senior Member Join Date Oct 2007 Location NW Florida Posts 2,553 Feedback Score 42 (98%) Originally Posted by Iraqgunz C158 is around $10.33 per pound and it must be purchased in huge lots.

Toolcraft DLC BCG 9310 556. TC556DLC-9310. $159.99. Add selected to cart. Description. Description. Free Shipping on all Toolcraft Bolt Carrier Groups! The Ionbond Diamond Like Carbon (DLC) finish is an incredibly hard (90 Rockwell) self-lubricating finish. This makes it extremely resistant to wear and corrosion.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 ... 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 10Our bolt assemblies are shot-peened and made from 9310. They are batch high pressure ... 9310 or carpenter 158. Finish: Black Nitride. Continue Browsing. Linear ...The difference is in the steel. 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. Carpenter 158 is mil-spec, but many companies nowadays are opting for "stronger" steels like 9310 and S7 which are both ...158 vs 9310. there plenty of threads on that Sent from my SM-G900V using Tapatalk ... Bolts are carpenter 158 or 9310. The carrier is 8620 (should be). Where are you seeing bolts made from 8620, or carriers and keys …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.Firearm Discussion and Resources from AR-15, AK-47, Handguns and more! Buy, Sell, and Trade your Firearms and Gear.... Carpenter 158, properly heat treated and shot peened. ... Why can't they tell us "here's what makes a 9310 bolt equivalent to or superior than ...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 ...A lot of manufacturers offer a completely 9310 steel bolt carrier group. Though, this is a relatively new phenomenon and some people prefer the tried-and-true 8620 and Carpenter 158 combination. From my perspective, however, 9310 is an excellent option and is objectively stronger than 8620 and Carpenter 158 steel. 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...Nov 16, 2017 · 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 molybedenum while the P-6 has more chrome and nickel. 9310 is about half the cost of P-6. Which is better? Don't know, I barely made it through that class. IMO, the heat treat is probably more important than the alloy comp. Carpenter 158 was what was spec'd in the 1950's when the rifle was made. One company in the world makes it, and it's Carpenter. Other metal alloys have come along since 1950-whatever that are definitely superior, I think 9310 is fine. So is polishing a radius on the cam pin hole in the bolt, which is where the cracks usually happen.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.Want to sell my two unfired bcgs They both have zero rounds through them $80 each shipped. Paypal only. Ships out first thing tomorrow morning…In a rifle bolt there are only two things we need to be concerned with: the physical properties of the steel (hardness, strength, elasticity, etc), and shape. The physical properties of Carpenter 158 and 9310 are similar, and as long as the finished product passes gauging. the shape is correct.

Carpenter No. 158 Bolt Steel. Carpenter No. 158 steel is the mil-spec steel used for fabricating the bolt itself. This type of steel is more expensive than 9310 (another popular steel used for the bolt and carrier), but it provides the best performance and lifespan for the BCG.

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?

Carpenter ants are anywhere from 2.4 to 13 millimeters in length, and they are black, brown, red, orange or yellow, according to Orkin. The color and size of carpenter ants vary based on the species and even within a colony. · I think 9310 has more molybdenum and C-158 and P-6 machine steel is the same and has more nickel and chrome. I think C-158 has to be bought in larger bulk …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;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. 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.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 ... 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. Central NY. I read an article by Faxon ( manufacturer of barrels and other parts) and they claim that 9310 steel is better than Carpenter 158. C158 is MilSpec and at the time. a good steel. 9310 is newer and 7% better. Faxon has a good reputation for barrels. so I will take their word on this.

princeton wv restaurantshoosier race resultsfake carts list 2022how to slice a brisket franklin Carpenter 158 vs 9310 bella brazilian wax baton rouge [email protected] & Mobile Support 1-888-750-7265 Domestic Sales 1-800-221-7808 International Sales 1-800-241-7462 Packages 1-800-800-7149 Representatives 1-800-323-8498 Assistance 1-404-209-6544. The most common steel used in the bolt is Carpenter 158 steel. Some manufactures are using 9310 steel. Which is better? It depends who you ask, but most will agree that the difference in steel is small, and both varieties of steel work just fine. Many manufacturers also “shot peen” their bolts.. golden freddy jumpscare gif I’d like to think that if you don’t have an issue with your BCG, then it’s probably a good one. One of the guys in my shooting group, Brandon, runs a DD BCG on his 11.5-inch AR-15 and has never had an issue. Even when the guys with the Gucciest bolt carrier groups were. 5. Sionics NP3 Bolt Carrier Group.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 … tyquan tylerclasslink rps205 Product Description. SAA AR-15 .223/5.56 Bolt Assembly Carpenter 158 - MPI Tested. Replacement Assembled Bolt for the .223/5.56/300AAC caliber AR-15 (or new ... female creepypasta charactersorganization for better water crossword New Customers Can Take an Extra 30% off. There are a wide variety of options. May 29, 2022 · 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." faxonfirearms.com. 9. Members. 550. LocationCalifornia. Posted July 20, 2014. I have been partial to the Carpenter 158 material for bolts but, there are quite a few available in 9310. I know 9310 alloy steel is very strong (they make differential ring and pinion gears for professional class drag racing cars. from it!) but on the M16/M4 the mil-spec is C158 - what is ...Carpenter Technology is leading innovation and excellence by leveraging our technical strengths, distinct products, and extraordinary process capabilities to provide you with value-added solutions that create breakthrough results. We help customers like you solve the most extreme materials challenges.