Colt 6721 "Tactical Carbine" 16" HBAR Flat Top Upper assembly with GG&G modular front sight installed. Left Colt as a complete upper conversion unit, sight was installed by GG&G. Excellent condition, very dark gray, small pivot, M4 upper complete with Bolt, Carrier and Charging handle (No carry handle). $650 shipped
*ARMS 40 not included at this price. If you would like, I'll include it for $75
*Have a brand new Colt M4 detachable carry handle, black, staked on clamping knobs, $80 with upper.
SOLD pending funds.