Some alternative systems actually contain the gas completely and vent excess back into the barrel, such as the M1 Carbine and FN SCAR.
Notable among these is the M1 Carbine and FN SCAR. Some alternative systems actually contain the gas completely and vent excess back into the barrel.
Some alternative systems actually contain the gas completely and vent excess back into the barrel. Notable among these is the M1 Carbine and FN SCAR.
Some alternative systems actually contain the gas completely and vent excess back into the barrel. Notable among these is the M1 Carbine and FN SCAR.