Videos tagged with Mechanical Disadvantage

This guide explains the operation of the lever-delayed blowback system, as demonstrated by Ian McCollum of Forgotten Weapons. It details the core components—bolt, bolt carrier, and accelerator lever—and their interaction to create mechanical disadvantage, slowing bolt opening for safe extraction. The explanation highlights how this system manages pressure and its application in submachine guns, noting the necessity of features like fluted chambers for high-pressure cartridges.