Colt M4 Upper Receiver Group 

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 Pinned and Welded !!
• Colt A-frame front sight base - new version without an "F" mark (but is F-marked sized)
• Colt dual insulated hand guards
• Colt Cage Code marked M4 upper receiver with M4 feedramps
• Colt screw-on carry handle
• Colt front side-swivel sling mount