【CUSTOM GBB WORKSHOP】
COLT CAR-15 model 607 SMG
VFC base
deep marking, deep 0.3mm
6061 cnc upper & lower
chrome steel bolt
real handguard
real grip
real stock
real front swivel
real rear swivel
real rear sight
real M16A1 ejection port cover
custom steel flash hider
custom handguard rear cap
custom stock gen1
anodizing
phosphate coating
detail fix
