Caliber: 308 Win. Capacity: 20. Direct impingement gas system. Ambidextrous bolt release, mag catch and safety. Chrome moly vanadium barrel is button rifled with a chrome bore and flash hider. Magpul MOE-SL buttstock, Magpul MBUS sights, ALG Defense QMS trigger group, BRS M-LOK handguard. Black Cerakote finish. Subtract 5% for the REC10 Carbine 16″ FDE Cerakote variant.