Toolcraft 6.5 Grendel Bolt Carrier Group Black Nitride

Toolcraft 6.5 Grendel Bolt Carrier Group - Black Nitride Durable, Precision-Machined Performance for Your AR-15 Build The Toolcraft Black Nitride 6.5 Grendel Bolt Carrier Group offers exceptional quality and performance for AR-15 enthusiasts seeking a reliable, full-auto BCG. Manufactured from robust 9310 steel for the bolt and 8620 steel for the carrier, this BCG meets and exceeds industry standards. The black Nitride coating provides superior corrosion resistance, surface hardness, and a sleek finish. With precision machining and a lifetime warranty, Toolcraft's BCGs are trusted by the U.S. Military and top rifle manufacturers for dependable performance. Features 9310 Steel Bolt: Precision-machined, shot peened, and MPI-inspected for reliability and longevity. 8620 Steel Carrier: Full-auto M16 profile carrier for maximum compatibility and performance. Black Nitride Coating: Increases surface hardness, reduces friction, and provides excellent corrosion resistance. Mil-Spec Gas Key: Made from 4130 steel, secured with Grade 8 screws, and properly staked for durability. Lifetime Warranty: Toolcraft's no-questions-asked lifetime warranty for peace of mind. Specifications Carrier Material: 8620 Steel Carrier Type: M16 Full Auto Coating: Black Nitride Gas Key Material: 4130 Steel (Grade 8 screws) Bolt Material: 9310 Steel (Shot Peened) Extractor Material: 4140 Steel Caliber: 6.5 Grendel Bolt Face Depth: .136 inches (Type II) Cam Pin Material: 8620 Steel Firing Pin Material: 416 Stainless Steel Inspection: Magnetic Particle Inspected (MPI) Gas Rings: Mil-Spec (3) The black nitride coating ensures enhanced surface hardness and smoother cycling, while the robust steel construction delivers reliable performance under demanding conditions. Backed by a lifetime warranty, this BCG offers lasting peace of mind.