Model originally uploaded to Thingiverse at https://www.thingiverse.com/thing:1847822.

this PROP gun shows theoretically, the gas forces the slide back against the slide return spring. remove the barrel by moving the slide back enough to move the barrel back abit to move barrel back and then up and out. . put a bullet in by moving the slide back also. theoretically of course. THIS IS JUST A PROP GUN FOE EDUCATIONAL/PROP USE ONLY!