Gas Operating System

US12352518 - Gas operating system for low energy ammunition

A gas operating system for a firearm for use with low energy ammunition that includes a barrel having a maximum pressure experienced at a maximum pressure location when firing the low energy ammunition where a gas port is positioned distally from the maximum pressure location in a region of the barrel that experiences between 90% of the maximum pressure and 40% of the maximum pressure, a gas block on the barrel and a tube connecting the gas block to a bolt carrier, where the gas block directs energy from combustion gas pressure vented through the gas port to the bolt carrier via the tube.