CHROME Bolt Assembly for the AR Family of Weapons (AR15, M16, M4)
Carpenter 158 bolt is Shot Peened, HP tested and MP inspected.
Bolt is marked "MP" and CHROME plated.
Extractor is CHROME plated with GOLD extractor spring assembly.
Includes CHROME cam pin, CHROME Firing pin and CHROME Firing Pin Retaining Pin.
100% made in USA to current USGI M16 specifications.