Phase 5's Mil-spec M16/M4 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. All bolts are HPT/MPI tested.
Black Phosphate Coating
HPT/MPI Tested Bolt
Chrome Lined
Mil-Spec
Stock Notice: This item is NOT marked "In Stock". We will contact you within 12-24 hours by email if your order is on backorder with our distributor and will take longer than the 5-7 business days it takes us to ship out. Please do not order if you need this item shipped immediately.