Diamondback Firearms DB10, Semi-automatic, Short Barreled Rifle, 308 Winchester, 13.5" Threaded Barrel, 5/8X24, DB Diamond Muzzle Brake, Mid-Length Gas System, Anodized Finish, Black, 13" Free Float M-LOK Handguard, Magpul CTR Adjustable Stock, 20 Rounds, 1 Magazine DB2430C001