ZRO Delta M16 (AR-15/M4/M16) performance bolt carrier group, nitride, 9310 bolt, w/billet extractor.
Our Performance M16 Bolt Carrier Groups are engineered and feature packed to increase the durability and reliability of your weapon system.
Friction points reduced while maintaining stability
Sand cuts on rail of carrier
Fire pin retaining pin slot designed for easy assembly
Nitrided throughout assembly, including carrier and key
9310 Bolt w/ Billet extractor
Mil-Spec Tool Steel Extractor w/ Crane (NAVSPECWAR) o-ring & spring
Mil-Spec Staking on the Key
Weight 11.5 ounces
Made in USA