Decoding the Full Auto Profile Bolt Carrier: Function, Variations, and Considerations
Understanding the Bolt Carrier Group (BCG) Basic Components The bolt carrier group, or BCG, is the heart of an automatic firearm. Its importance cannot be overstated; it is the driving force behind the cycling of the action, the mechanism responsible for extracting spent casings, chambering new rounds, and preparing the weapon for its next shot. … Read more
