Failzero Lightweight Bolt Carrier Group
Carrier Weighs 6.4 oz/ complete BCG weighs 9.2 oz
Compatible with all MilSpec AR Platforms
Components are EXO NIB
Compatible with 5.56, .223 and .300...
PREMIERE MANUFACTURING AR15 BOLT CARRIER GROUP
M16-cut carrier
Machined from 8620 tool steel (carrier) and 9310 steel (bolt)
Carrier has forward assist serrations
Salt bath black nitride finish...
9MM BOLT CARRIER GROUP
Complete, drop-in carrier/bolt assembly is ramped on the bottom to provide clearance for a factory .223/5.56mm hammer in your 9mm conversion. Eliminates the need to install a...