Bear Creek Arsenal AR-15 .458 SOCOM / .450 Bushmaster Rear Charging Bolt Carrier Groups

Bear Creek Arsenals .458 SOCOM/.450 Bushmaster bolt carrier groups (BCGs) are Magnetic Particle Inspected (MPI) to ensure high performance. BCAs .458/.450 BCG is made with durable 9310 Steel and compatible with both all Rear Charging 450 Bushmaster and .458 SOCOM uppers; the gas key is also staked from the side for enhanced durability. Includes Bolt, Bolt Carrier, Extractor Pin, Firing Pin, and Cam Pin. 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 .458 SOCOM / .450 Bushmaster Rear Charging Bolt Carrier Groups: Manufacturer: Bear Creek Arsenal Color: Black Finish: Stainless Steel Fabric/Material: Stainless Steel Cartridge: .450 Bushmaster, .458 SOCOM Gun Make: AR Platform Gun Model: AR-15 Hand: Ambidextrous Gender: Unisex Application: Duty, Sports, Outdoor, Military, Tactical, Combat Size: One Size Quantity: 1 Age Group: Adults Package Contents: Bear Creek Arsenal AR-15 .458 SOCOM / .450 Bushmaster Rear Charging Bolt Carrier Groups