Carbine kit (with M4 stock) for Airsoft hundgun

thingiverse

It's a kit for turning a handgun into a pistol carbine. For larger sizes, there is some versatility. front part_folding.stl Parts attached to the front underrail of the handgun. The top is empty. Please separate the raft and insert a 3mm thick, 60mm long metal rod into the hinge hole. M4Stock_bar_1,2.stl A stick compatible with M4 stock. Adding a metal pipe (Outer diameter 13mm) to the seam will increase strength. M4Stock_base_44mm.stl Base for attaching stock. Attach to the back of the gun. 20mm_rail.stl 20mm rail attached to a metal shaft. mini_front_grip_typexx.stl A small grip attached to the front of the gun. Some other parts are required: Metal pipe Diameter 9.5mm Length 205mm Metal shaft Width 15mm Length 20cm Thickness 2mm It's better if screw holes are open. You can buy it at a home improvement store (I bought it at Kasai Homes). If you use it with a gun that blows back, it is better to use it a little longer. Several M4 and M5 screws and nuts. 10mm to 25mm.