Grenade Launcher Airsoft 40mm

Grenade Launcher Airsoft all parts are fully compatible with my second version of grenade launcher Used screw: 3x25 for body 3X 3x15 for pistol grip 2X 3x10 for RIS rails 4X Used spring: D/d = 8/0.8 mm L=10mm or similar 3D printing settings Plate1: 0,2 mm layer 8 walls 30% infill no supports Plate 2: same as plate 1 but wit normal supports 25° threshold angle