Quick view FailZero Failzero M16 NiB Bolt Carrier Group Compare $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... Add to Cart Add to Cart Add to Wish List Add to My Wish List Create New Wish List
Quick view FailZero FailZero M16-M4 Bolt Carrier Group BCG with Hammer - Satin Nickel Finish Compare $189.99 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... Add to Cart Add to Cart Add to Wish List Add to My Wish List Create New Wish List
