Diamondback DB15
5.56 NATO or .300 AAC Blackout cal., GIO, 7 1/2 or 10 1/2 in. CM barrel, aluminum construction, forged A3 flat-top upper and lower receiver, SST, no sights, Diamondback modified four rail handguard, A2 style pistol grip, black, FDE, OD Gree...