Models View all CR42 A1 (CS/LR 42) GBB System 3D Printed Project v1.1 86 712 6 Marui MWS/ZET Train/Dummy Mag 26 199 1 CR42(CS/LR 42) GBB System 3D Printed Project 260 2237 31 Aimpoint ACRO Mounts 38 479 0 AAP 01 USW Kit 231 1929 14 AAP01 Upper assembly 130 1136 5