Bear Creek Arsenal AR-15 7.62×39 / 12.7×42 Rear Charging Bolt Carrier Groups

Shoot your favorite caliber in an AR-15 platform with this 7.62×39/12.7×42 bolt carrier group! Bear Creek Arsenals 7.62×39/12.7×42 bolt carrier groups (BCGs) are Magnetic Particle Inspected (MPI) to ensure high performance. BCAs 7.62×39/12.7×42 BCG is made with durable 9310 Steel and compatible with all rear charging 7.62×39/12.7×42 uppers; the gas key is also staked from the side for enhanced durability. Our 7.62×39/12.7×42 bolt carrier groups feature an enhanced extractor for increased durability when firing steel case ammunition. Featuring a 7.62×39 enhanced firing pin for increased reliability for steel cased ammo and upgraded bolt. Use a Bear Creek Arsenal BCG for your next AR-15 build and experience high performance at a lower cost! Specifications for Bear Creek Arsenal AR-15 7.62×39 / 12.7×42 Rear Charging Bolt Carrier Groups: Manufacturer: Bear Creek Arsenal Color: Black Finish: Stainless Steel Fabric/Material: Stainless Steel Cartridge: 7.62x39mm, 12.7x42mm Gun Make: AR Platform Gun Model: AR-15 Hand: Ambidextrous Bolt Material: 9310 Steel Gender: Unisex Application: Sports, Duty, Outdoor, Military, Combat, Tactical Size: One Size Quantity: 1 Age Group: Adults Package Contents: Bear Creek Arsenal AR-15 7.62×39 / 12.7×42 Rear Charging Bolt Carrier Groups