HandCrank+Supercapacitor+solenoid = AutoCrossBow Shoots 1x2d nails 
Fallout forever weapon
Railgun version is to shoot pennies (Kefka Laugh)
Hahahah
Diabolical!
Itās hard to take them seriously as a āDefense Systems Engineeringā company when they close out their video with video game music, but a few modifications to that rig (likely requiring a backpack for the necessary component) and that could probably be turned into a military grade weapon. Gotta admit Iām impressed.