Product Description
The Phase 5 AR-15 Bolt Carrier Group 5.56x45mm NATO 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. SpecificationsCaliber: 5.56 NATO / .223 Rem / 300 BLKMaterial: C158 BoltFinish: PhosphateProfile: M-16