“…Ammunition self-loading technology is one of the core key technologies of medium and large caliber artillery weapon systems, which directly affects the rate of fire, layout, volume, mass, power configuration of power source, firing accuracy and other indicators of self-propelled artillery weapon systems [2], so the application of ammunition self-loading systems for artillery combat vehicles in various countries has been developed to a certain extent. M270 rocket artillery system adopts integral semi-automatic loading of coupled modules, which The module is mainly composed of a retractable frame and a sling.…”