Colt Mfg CR6920 M4 Carbine 5.56x45mm NATO 30+1 16.10″ Black Steel Barrel, Black Aluminum Receiver w/Picatinny Rail, 4 Position Collapsible Black Synthetic Stock, Black Polymer Grip, Right Hand
Global Ordnance LLC 197892003223 Monolithic 5.56 NATO 16″ Barrel, M-LOK Handguard, Modular Black Stock, Black Polymer Grip
