【CUSTOM GBB WORKSHOP】
COLT model 635 SMG 9 mm
WE base
deep marking, deep 0.3 mm
custom steel 10.5" pencil out barrel
custom no gas tube front sight
custom 9mm rear sight
buffer tube 2 position
custom no gas tube 9mm Ejection Port Cover
no forward assist upper
no forward assist bolr carrier
steel birdcage flash hiders
3rd Generation stock
detail fix
![](https://1.bp.blogspot.com/-e6vcpqYjbbo/YL3Jn-JkSTI/AAAAAAAAPd0/EWxEwDY4Jr0DJZn3i7tjwLxglIjgE8scwCLcBGAsYHQ/s1200/14.jpg)