[Last Edit: 1/2/2015 8:29:43 PM EST by tim_dawg22]
I have a 14.5" Colt M4 barrel for sale. It has never been fired. It has the government profile barrel M203 step and 1/7 twist. Has "F" marked front sight post along with barrel extension with M4 feed-ramps. Comes complete with full auto BCG, charging handle, and birdcage flash hider. The carrier is marked "A" and has a properly staked gas key. Bolt is marked "MPE". Also includes a Knights Armament quad rail, Knights vertical grip, and a Matech rear backup iron sight. Asking $650 shipped OBO. Will also entertain trade offers.