Colt M4 Carbine 5.56×45 NATO 16.1″ Chrome Lined Barrel 1:7″ Twist Threaded 1/2 x 28 TPI Birdcage A2 Style Flash Hider Forged 7075 T6 Aluminum Upper/Lower Receivers M4 Feed Ramps Reversible Selector Switch Carbine Length Gas System Polymer Hand Guard A2 Front Sight Magpul Flip Up Rear A2 Pistol Grip 4 Position Collapsible Stock 30 Round Magazine UPC 098289023513 SKU CR6920
