LBE Unlimited AR-15 5.56 NATO Nickel Boron Bolt Carrier Group

The LBE Unlimited AR-15 5.56 NATO Nickel Boron Bolt Carrier Group is a performance-enhanced carrier group designed to ensure smooth cycling and consistent operation in competitive, target, and tactical shooting applications. The Nickel Boron-coated 9310 tool steel carrier, coupled with the 8620 steel bolt, offers exceptional strength and butter-smooth performance, while the Nickel Boron finish maximizes protection against rust, corrosion, and wear. Better yet, this American-made BCG features properly-staked gas key screws, engineered to offer additional strength and smooth cycling while also eliminating the risk of the screws backing out or breaking for smooth performance and reduced wear. Includes forward assist serrations, firing pin, retaining pin, cam pin, extractor, and bolt gas rings. Made in USA.