Tesaurus d'Art i Arquitectura Getty Institute 0000-00-00 2024-01-24 15:40:44 en blowback action300224932action, blowbackblowback operationblowback systemoperation, blowbacksystem, blowback Use to describe automatic and semiautomatic firearms in which the pressure of the propellant gas is used to force the bolt to the rear, independently of the barrel, which does not move relative to the receiver. retrocés retroceso del cañón 2026-03-30 20:29:55