BRT M16 CHROME Bolt Carrier Group C158 HPT/MPI Auto
Product Details
CHROME Full Auto Bolt Carrier Group BCG for the AR Family of Weapons (AR15, M16, M4)
Carpenter 158 bolt is Shot Peened, HP tested / MP inspected and Chrome plated for enhanced service life.
Extractor is CHROME plated with GOLD extractor spring assembly.
The USGI full auto bolt carrier is Hard Chromed outside and inside.
The Mil-Spec gas key is full Chrome, secured with heavy splined fasteners (per mil-spec drawing) and properly staked to ensure reliable gas system performance.
Bolt is marked "MP". Carrier is marked "BRT" with Logo on the ejection port side.
