DoubleStar AR-15 5.56 Bolt Carrier Group (BCG) with O-Ring

The Doublestar AR15 5.56 Caliber Bolt Carrier Group BCG comes with bolt and firing pin, so it’s ready to drop in to the rifle or carbine of your choice. These Bolt Carrier Groups manufactured by DoubleStar are tested and inspected to ensure they are free of imperfections that could lead to premature failures. The staked, chrome-lined gas key of the Doublestar AR15 5.56 BCG prevents gas leakage that can lead to short stroking. Get years of dependable performance from the Doublestar AR15 Bolt Carrier Group BCG. Specifications for DoubleStar AR-15 5.56 Bolt Carrier Group (BCG) with O-Ring: Manufacturer: DoubleStar Color: Black Finish: Phosphate Fabric/Material: 8620 Alloy Steel Cartridge: 5.56x45mm NATO Gun Model: AR-15 Included Accessories: Bolt Assembly, Complete Carrier, Cam Pin, Retaining Pin, Firing Pin Condition: New Features of Doublestar AR-15 5.56 Bolt Carrier Group BCG with O-Ring Bolt carrier assembly w/O ring 8620 Steel Coated per Mil-Spec Chrome lined carrier key and bolt assembly Package Contents: DoubleStar AR-15 5.56 Bolt Carrier Group (BCG) with O-Ring