I have several Colt M4 (LE6921) complete uppers fopr sale
Colt M4 14.5inch barrel with side sling swivel, Chrome Lined, 1:7 twist, M4 Feed Ramp.
F Marked FSB
Colt A2 Flash Hider
Colt Flat Top Receiver
Colt M4 Double Heat Shield Handgurd
No Bolt carrier and Charging handle…