DIAMONDBACK DB15USB/DB15USLB
5.56 NATO/.223 Rem. cal., carbine-length GIO, 16 in. chrome moly, M4 contour free floating, Melonite coated barrel with A2 flash hider, 30 shot aluminum mag., A2 front sight only, ATI Strikeforce (DB15USB) or 6-position Mil-Spec (DB15USLB, ...