AR-15 - The Truth About Buffers
This video delves into the critical role of AR-15 buffers in rifle operation, explaining how buffer weight affects cycling and reliability. It details the principle of selecting the heaviest buffer that still allows bolt lock-back on an empty magazine. The content compares various buffer weights and discusses how heavier buffers can compensate for overgassing, preventing extraction issues like ripped casings or double feeds by slowing bolt carrier group velocity.









