This is it. My best gun(s) so far. I got inspiration to make them from looking at jonejannsies tec 9. They have a perfect semi auto mechanism (1 gear tooth forward per trigger pull). This mechanism is also used in my most powerful gun; Ultimate Rubberband Sniper vs.4. Range is 20-30 ft, and it is fairly accurate for an SMG.
Please watch these videos:
Video #1 Video #2
I don't know why I showed my feet walking. I just thought it would look cool but it doesn't really