Toolcraft 6.5 Grendel Bolt Carrier Group - Black Nitride

Toolcraft 6.5 Grendel Bolt Carrier Group is a Full Auto BCG, manufactured using a 9310 steel bolt, and a 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 already fantastic line up 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 $50 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.Carrier SpecificationsMaterial: 8620 SteelType: M16 Full Auto (Preferred for most AR-15 builds)Gas Key Material: 4130 Steel; Grade 8 Gas Key ScrewsCoating: Black NitrideBolt SpecificationsBolt Material: 9310 Steel | Shot PeenedExtractor Material: 4140 SteelCaliber: 6.5 GrendelBolt Face Depth: .136 (measured from face to end)Type: Type IIMil-Spec O-RingMil-Spec Gas Rings (3)Cam Pin Material: 8620 SteelFiring Pin Material: 416 Stainless SteelOther: MPI InspectedLifetime Warranty - Toolcraft BCG carry a lifetime, no questions asked, warranty. Simply puta | Should any Toolcraft product fail, return it to them for a brand new replacement.