1592952570000 1312632483000 term-4038 1616541021864 1312632488000 1616290640026 adlib fitz-online adlib-term-4038 1a2a5853-36a2-3130-973d-8193a1c5fb8f 2 1 scope note Use to describe automatic and semiautomatic firearms in which the pressure of the propellant gas is used to force the barrel forward from a standing breech to open the action and eject the fired case. A spring brings the barrel back to firing position and also reloads and cocks the firearm. QCKDWT D.DC.AFU.ALO.FCS.CFS.BIQ.ALO 1 code D.DC.AFU.ALO.FCS.CFS.BIQ.ALO 1 blow-forward action reference term-4049 adlib-term-4049 ffd26991-5653-3fdb-9925-548eedb1b62e self-loading blow-forward action term