Toolcraft 7.62x39 M16 Profile Bolt Carrier Group - Black Nitride

Toolcraft 7.62x39 Bolt Carrier Group is a Full Auto BCG, manufactured using a 9310 steel bolt and an 8620 steel carrier. Together they make up one of the most popular and well-built bolt carrier groups on the market.What's more, Arm or Ally is proud to add Toolcraft products to our fantastic lineup of reputable manufacturers. Because of this, we can provide our customers with the best available AR parts at affordable prices.Toolcraft is a major OEM manufacturer for the U.S. Military and many other rifle manufacturers. Forget the fancy logo at a $75 premium, and have confidence it's 100% made in the USA, North Carolina. If ever a problem, simply call Toolcraft, and they will take excellent care of you with their no questions asked Lifetime Warranty.Lifetime Warranty - Toolcraft BCG carry a lifetime, no questions asked, warranty. Simply put... Should any Toolcraft product fail, return it to them for a brand new replacement.Carrier Specifications Material: 8620 Steel Type: M16 Full Auto (Preferred for most AR-15 builds) Gas Key Material: 4130 Steel; Grade 8 Gas Key Screws Coating: Black NitrideBolt Specifications Bolt Material: 9310 Steel | Shot Peened Extractor Material: 4140 Steel Caliber: 7.62x39 Bolt Face Depth: .125 (measured face to end) Mil-Spec O-Ring Mil-Spec Gas Rings (3) Cam Pin Material: 8620 Steel Firing Pin Material: 416 Stainless Steel Other: MPI Inspected