Diamondback Firearms DB15, Semi-automatic Rifle, AR15, 223 Remington/5.56 NATO, 16" Barrel, A2 Flash Hider, 12" MLOK Handguard, Matte Finish, Black, Magpul MOE Pistol Grip, Magpul Carbine Stock, 30 Rounds, 2 Magazines, (1) 556 30 Round PMAG, (1) 300BLK 30 Round PMAG, Includes Additional Upper Receiver: 300 Blackout, 16" Barrel, A2 Flash Hider, 12" MLOK Handguard DB1721K001