About this 3D model

This gun works with elastic straps, designed to work up to two elastics. you only need 7 screws and two nuts m3,4-8 self-tapping screws 1.2 / 1.5 mm (approx. 6 mm long) to fix the gun barrel,a spring (diameter 6-7mm, about 2 cm long), 6-8 mm elastic bands,and two 2mm metal rods for the trigger. (Use the print support for all parts except for bullets.) upgrade: Increased 0.30mm projectile (try this, it could have better performance.)