Phase 5's mil-spec m-16/m-4 bolt carrier features a heat treated and chrome lined inner with a black phosphate coating.The complete bolt carrier group includes: cam pin, firing pin, gas key, and bolt...
Phase 5's mil-spec ar-15 bolt carrier features a heat treated and chrome lined inner with a black phosphate coating.The complete bolt carrier group includes cam pin, firing pin, gas key, and bolt...
The faxon 5.56 m16 bolt carrier group, nitride is a high-performance and reliable upgrade for your ar-15 rifle.This bolt carrier group is designed for optimal performance ensuring durability and...