Spring or fuel firing mechanism? Each types work through a piston that compresses air after which you can releases it with every cause squeeze. The differences are the types of compressors that they use to power the piston. Spring-powered guns have a spring mechanism set up, though fuel-powered guns rely https://gunnerbazyx.wikigiogio.com/1439738/how_handguns_holsters_can_save_you_time_stress_and_money