Models View all CR42 A1 (CS/LR 42) GBB System 3D Printed Project v1.1 89 764 6 Marui MWS/ZET Train/Dummy Mag 28 220 1 CR42(CS/LR 42) GBB System 3D Printed Project 261 2267 31 Aimpoint ACRO Mounts 38 487 0 AAP 01 USW Kit 232 1942 14 AAP01 Upper assembly 130 1148 5