failzero
FAILZERO LIGHTWEIGHT BOLT CARRIER GROUP AR15
$234.99
This Bolt Carrier Group (BCG) comes fully assembled and ready to drop into most mil spec AR15 upper receivers. All critical parts are coated with EXO Nickel Boron technology that provides permanent dry lubricity, extreme...
FAILZERO M16/M4 AR15 BOLT CARRIER GROUP
$169.99
This Bolt Carrier Group (BCG) comes fully assembled and ready to drop into most mil spec M16, M4 or AR15 upper receivers. All critical parts are coated with EXO Nickel Boron technology that provides...