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.
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 Nitride
Bolt Material: 9310 Steel | Shot Peened
Extractor Material: 4140 Steel
Caliber: 6.5 Grendel
Bolt Face Depth: .136 (measured from face to end)
Type: Type II
Mil-Spec Gas Rings (3)
Cam Pin Material: 8620 Steel
Firing Pin Material: 416 Stainless Steel
Other: MPI Inspected
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.