The AR-15 Bolt Carrier Group (BCG) is a critical component of your rifle, responsible for its cycling and overall reliability. Often referred to as the “heart” of the AR-15, the BCG plays a pivotal role in ensuring smooth operation and consistent performance. With various steel types and coatings available, choosing the right combination is essential … Continue reading A Comprehensive Guide to AR-15 Bolt Carrier Coatings: Choosing the Best Steel and Finish