Bootleg Inc 5.56 AR M4 M16 bolt carrier group, complete, black nitride

Bootleg, 5.56 Lightweight Bolt Carrier Group, Machined from 4140, Nitride Coating, Mil Spec Configuration, Staked Mil Spec Gas Key
Nitride Coating
Machined from 4140
M16 Style
Product Description
 
Machined from 4140, Nitride Coating, MIL-SPEC configuration, Staked MIL-SPEC Gas Key, M16 Style.