Models View all CR42 A1 (CS/LR 42) GBB System 3D Printed Project v1.1 87 722 6 Marui MWS/ZET Train/Dummy Mag 27 204 1 CR42(CS/LR 42) GBB System 3D Printed Project 260 2241 31 Aimpoint ACRO Mounts 38 480 0 AAP 01 USW Kit 231 1931 14 AAP01 Upper assembly 130 1139 5