Nerf Colonel Wasp Firefly shotgun Picatinny rail Pump grip

Introduction: 20210601 double rail version update, I wish you a happy children's Day The inner wall of the printed part should be flat and smooth, and the printing parameters should be adjusted by yourself My parameters: 0.2mm layer height 1.6mm wall thickness 50% filling PLA material printing time 4.5 hours Metal of Picatinny rail Pump grip：2 M3 * 5.7 * 4.65 brass threaded inserts 2 m3 * 8 round head or m3 * 8 countersunk head or 2 hexagon socket bolts Metal of Dog tooth hand block：1 M4 * 25 or 30, 1 hexagon screw and 1 nut Grip is free for commercial use only in China.Dog tooth hand block needs authorization and cannot be used for commercial purposes.