$329.42. Carrier Assembly: The enhanced bolt carrier is designed to reduce carrier tilt/cant during recoil and increasing reliability by strategically relocating key bearing surfaces. Our Nitrided M16 BCG is micro polished before and after the Melonite process, producing a beautiful finish and an extremely slick surface. AIM .308/7.62x51 Caliber BDG Titanium Nitride Bolt Carrier Groups. This is a DPMS compatible Bolt Carrier group and comes oiled but it is recommended to keep this BCG clean and oiled regularly. Coated bolt carrier group (full auto version) for AR15, M16, or M4 machined from Mil-Spec 8620 aircraft quality steel with shrouded firing pin and Mil-Spec chrome lined interior. 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.. Bolt Carrier Group Coatings. All bolts are fully MPI tested to ensure the material is sound and without defects. Get the PSA 5.56 Nitride magnetic particle inspected Full-Auto Bolt Carrier Group for just $49.99. Your ... MI 5.56/223 Gold TiN Titanium Nitride C158 Bolt Carrier Group M16 BCG AR-15 AR15 Midwest Industries. Improvements include using 9310 tool steel for the bolt, nitriding the assembly to increase surface hardness, decrease resistance, and have superior corrosion resistance compared to typical chrome and phosphasted bolt carrier groups. Toolcraft AR15 Titanium Nitride Bolt Carrier Group is available in 9 different calibers and features a highly attractive and functional Titanium Nitride finish. Sub-MOA Accuracy. Properly built, no corners cut, 100 percent US made. Compare. PSA 5.56 Nitride MPI/HPT Full-Auto Bolt Carrier Group - 516447010 . In a world were BCGs average $100 this is a bargain and why we bought 5 units. 8620 M16 style carrier H&M Black Nitride finish; Properly heat treated; Final grind before plating; Carpenter 158 5.56/.223 bolt Heat treated; Shot peened Smooth & Protective TiN treated. Scroll down to view live inventory. With our lifetime guarantee, you can't go wrong. Out of Stock. The titanium nitride coating provides a very slick surface that makes for easier cleaning and increases reliability. It is designed to offer the most resilient quality. Complete 5.56 Polished Black Nitride BCG. BCG includes the proper chrome lined and heat treated gas key. Aesthetically, it is one of the most eye catching coatings the firearms industry. $199.00 : Nickel Boron EXO M16 / Ar15 Full Auto Bolt Carrier Group: Titanium Nitride TiN M16 / Ar15 MPI Bolt Carrier Group 5.56/223 This technology gained popularity in the 70’s when the military adapted it to solve a wide range of issues regarding friction and wear of metal parts. Out of Stock. 5.56/223 & 300 Blackout BCG. You can also browse models that have been rated as best by our informed customers. Read more . Quick view. The industry standard. Designed for AR-15 and M16 builds, this group features high-end retaining and firing pin, gas key, and expert assembly, machined from 9310 alloy and laser engraved. Each BCG features our […] Your Price: $139.95 Out of Stock. Replacing your aluminum or steel bolt carrier group with a lightweight, highly reliable and durable titanium bolt carrier group is an excellent way to upgrade your AR-15. 223 / 5.56 Bolt Carrier Group, Nitride QPQ ADK Arms tried and true 223/5.56 bolt carrier group is engineered and designed to the highest tolerances and military specifications and beyond. This M16 pattern Bolt Carrier Group features our outstanding gold colored Titanium Nitride finish. OilSlick Ar15 Bolt Carrier Group m16 BCG *Choose Your Caliber! The rockwall rating on this Nitride Treatment is 75 giving it a high wear resistance and made to take a beating. Kaiser US Review Continue Reading. Carrier: 8620 heat treated (case hardened to SAE-AMS-6875). Our precision machined M16 bolt carrier group is the perfect BCG for any build. ... BCG MPI C-158 Black Nitride coated BLACK ICE Finishing. Complete TiN (Titanium Nitride) gold colored Bolt Carrier Group. Your Price ... CMC Trigger 5.56 AR-15 Enhanced 9310 BCG Bolt Carrier Group M4/M16/AR15/300BLK Blackout. The 8620 tool steel carrier is the more common DPMS pattern. * ToolCraft Melonite / Black Nitride M16 Bolt Carrier Group: OilSlick Ar15 Bolt Carrier Group m16 BCG: $329.42. AR/M16 Bolt Carrier Group – Nickel Boron – HPT/MPI $ 120.99. We are AR Bolt Carrier Group (BCG) experts who bring you the highest quality components at the lowest prices for your AR15, AR10, and other AR Platforms. Our unique titanium nitride (TiN) finish ensures the best long term durability and lubrication backed up by a luxurious gold hue. Here is the feature list: Features 9310 Bolt Material; 8620 Chrome lined carrier and gas key; Properly staked Investment cast gas key hardened to USGI specifications fastened with Hardened Grade 8 Fasteners Related Articles. M16 Carrier-8620 Bolt-9310 MPI & HPT Tested Shot Peened Upgraded Extractor Spring with o-ring This slick durable finish will provide a great look that is easy clean. The staple of the family is titanium nitride (TiN) however: chromium nitride (CrN), aluminum titanium nitride (AlTiN) are other examples of PVD coatings. Compare. From hunters and military members, to competition shooters and general firearm enthusiasts, we welcome anyone who values and respects the way of the firearm. Compare. These start as a solid piece of titanium and then are machined, polished, and Ionbond-Tribobond coated. - 8620 Steel Carrier Nitride treated - 9310 Steel Bolt Nitride Treated - MPI (Magnetic Particle Inspected) Quick view. Super smooth finish and easy to clean. White Label's house-made M16 bolt carrier group is the perfect BCG for your next build. 8620 M16 style carrier. Billet titanium bolt carrier with a black nitride bolt assembly. Other materials include aluminum and titanium, though they are less common. We offer quality NP3 bolt carrier groups (nickel Teflon BCG), NiB-X bolt carrier groups (nickel boron BCG) and FailZero BCGs that reduce cleanup and wear and tear due to their durable coatings that reduce friction and buildup over time. Read more . $189.36. AR15.COM is the world’s largest firearm community and is a gathering place for firearm enthusiasts of all types. LMT Semi AR15 Bolt Carrier Group BCG Complete HPT MPI 5.56 L7A3. Titanium Bolt Carrier Groups. Your bolt carrier group (BCG) is the lifeline of your AR 15. AR/M16 NITRIDE GROUP WITH PHOSPHATE BOLT $ 64.99. With our lifetime guarantee, you can’t go wrong. This Toolcraft TiN BCG is Full-Auto style, manufactured using the finest U.S sourced raw materials available. The bolt carrier group is the heart of any AR10/AR15/M4/M16 type rifle, carbine or AR pistol. There are quite a few bolt carrier group materials, but the most popular are 9310, 8620, and Carpenter 158 steel. The Bolt Carrier Group is the heart of your AR15 or AR10, so shop from our wide selection of options in finishes, colors and calibers. PSA Freedom AR-15 Nitride Bolt Carrier Group With Carpenter 158 Bolt - 516446915 ... PSA 5.56 Titanium AR-15 Bolt Carrier Group . $236.82. The Brownells M16 Titanium bolt carrier group is made with 8620 tool steel to make it more durable. Add to Wish List Add to Compare. They weigh in at 4oz LESS than a standard BCG! Each BCG features our famous MPI “bionic bolt” which has exceeded 50,000 rounds in full auto, fully suppressed testing without fail. Properly built, no corners cut, 100 percent US made. Available in 9mm, .223/5.56, and .308/7.62 variations. AR/M16 Bolt Carrier Group – Nickel Boron – HPT/MPI. White Label's house made M16 bolt carrier group is the perfect BCG for your next build. The Brownells M16 Titanium BCG has a Bolt Carrier made from 6A1-4V titanium, and its Bolt is made of 9310 Steel. AR15 Billet Titanium Bolt Carrier Group. With our lifetime guarantee, you can't go wrong. All of our BCGs are high pressure treated (HPT) AND mag particle inspected (MPI). Notify When In Stock. PSA 5.56 NITRIDE MPI FULL-AUTO BOLT CARRIER GROUP. Bet-your-life dependability is a non-negotiable prerequisite. Read more . Notify When In Stock. The Bolt is shot peened and manufactured out of 9310 Tool Steel with a 4140 Machined Extractor. The titanium nitride coating provides a very slick surface that makes for easier cleaning and increases reliability. We are having these built to our exacting standards. $260.04. AR-10 .308 BOLT CARRIER GROUP DPMS GEN 1 BCG - RADIANT GOLD TITANIUM NITRIDE (TIN) Radiant Gold Titanium Nitride (TiN) is the staple of Physical Vapor Deposition (PVD) coatings. Therefore, we will try to decrypt that strange language of bolt carrier groups and make an effort to clarify one of the most confusing aspects in AR world, improving a .308 Bolt Carrier Group. 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