AR-STONER LR-308 Bolt Carrier Group 308 Winchester Nickel Boron

The AR-STONER(TM) Nickel Boron Bolt Carrier Group is a great option for your next LR-308. Machined to strict mil-spec tolerances, this bolt carrier group is drop-in ready. The Nickel Boron finish provides enhanced reliability and is more resistant to wear. With a 308 Winchester bolt face, this Bolt Carrier Group is ideal for your next LR-308 Marksman Rifle. The EXO NiB breakthrough technology creates a permanently lubricious surface, harder than the substrate itself, which eliminates the need fo