![]() That means the bolt itself is "locked" inside the firing chamber. The AR-15's BCG is considered a locking, rotating bolt mechanism. The act of chambering a new round and cocking the hammer allows the cycle to repeat, eliminating the need for a manual bolt or single-shot configuration. These four actions are automatically performed when the shooter pulls the trigger. Grabbing a new round from the magazine and chambering it.Re-cocking the hammer in the lower receiver for the next round.Grabbing and ejecting the spent shell casing from the fired round.Allowing the firing pin to strike the primer on the chambered round.The AR-15 bolt carrier group (called the "BCG)") is the part of the rifle or pistol that's responsible for performing semiautomatic fire when the trigger is pulled, with a series of steps in this order: This guide will break down its functionality, how it works as part of the black rifle's gas system, what types of BCGs are out there, and of course, what the difference is (really) between a "full-auto" BCG and a regular commercial unit. Staked gas keys - what does it all mean? Today, we're teaching you everything you could ever want to know about the AR-15 bolt carrier group.
0 Comments
Leave a Reply. |