Adams Arms Low Mass One-Piece Bolt Carrier NiB Nickel Boron BCG
Our one piece bolt carrier, designed for use with our proprietary piston system.
Due to popular customer demand, we are offering a limited quantity of our one-piece carrier treated with a Nickel Boron (NiB) coating process. NiB is a slick and metallic coating with self-lubricating properties that increases the service life of wear items.
This NiB bolt carrier group comes with VDI LifeCoat parts: firing pin, cam pin, 5.56 bolt, and cotter pin.