Caliber .308Win, Rep.Rifle MVP Scout 10 1 Rounds matte black, barrel medium bull length 16.25″/42cm with threaded 5/8×24″ with A2-Style muzzlebrake and protective thread cap, fits the most AR magazines, Ghost Ring rear sight and fiber front sight red, mounted extended Picatinny Rail 11″/28cm for long or short eye scopes, Synthetic stock Pillar-bedded black with 2/two side mounted rails in front, 1/one magazine 10 rounds, weight 7lbs/3.178gram, total length 37.5″/95.25cm, Code 27778 Mossberg USA.