Colt M4 Upper Receiver GroupĀ
Direct from Colt Factory
with Carry Handle, Front Sight Base (FSB) and side-swivel sling mount
This is a factory new, upper receiver group (URG) from Colt
- Colt M4 upper receiver group
- Colt M4 profile 14.5" barrel with A2 flash hider (not pinned)
- Colt A-frame front sight base - new version without an "F" mark (but is F-marked sized)
- Colt dual insulated hand guards
- Colt "C" marked M4 upper receiver with M4 feedramps
- Colt screw-on carry handle
- Colt front side-swivel sling mount
Note:Ā ALL NFA Laws apply.