There is nothing more crucial to the performance of your AR-15 than the bolt carrier group. Made to MIL-SPEC and finished with superior quality nitride finish that protects against corrosion and heat, our BCG won’t let you down. In order to ensure that it will run beautifully in your AR-15, each bolt carrier group undergoes high-pressure testing (HPT), and magnetic particle inspection (MPI). Whether you’re looking for a drop-in Mil-Spec quality replacement for your current AR or are going for a new build, this bolt carrier group provides you with the reliability and performance you expect from a first-rate product.
The CBC Arms 450 Bushmaster Bolt Carrier Group is a great option for your next build. Fitment with both .450 and .458 caliber, this BCG is machined to strict military standards. State of the art magnetic particle testing ensures the assembly is free of imperfections and will function flawlessly. Featuring a staked gas key, this BCG is drop-in ready.
- .450/.458 Caliber
- Machined to Mil-Spec
- Standards Properly Staked
- Gas KeyDrop-In Ready / Black