BRT M4A1 Bolt Carrier Group C158 HPT/MPI Auto

Out of stock
Product Details
Full auto bolt carrier for the AR Family of Weapons (AR15, M16, M4)

100% made is USA to current USGI M4A1 specifications.

The USGI full auto bolt carrier is phosphate coated outside and chrome lined inside.

The Mil-Spec gas key is chrome coated lined and secured with properly staked Grade 8 fasteners to ensure reliable gas system performance.

Carpenter 158 bolt is shot peened, HP tested and MP inspected.

Save this product for later