Winchester® USA .223 (5.56x45mm) 55 Grain FMJ Ammo.
Full Metal Jacket Bullet for smooth, dependable action.
Boxer-primed, reloadable and non-corrosive. Brass-cased. Muz. Vel.: 3,270 F.P.S. Muz. Energy: 1,306 ft.-lbs.
Note: Please check your gun manual to ensure it is recommended to shoot 5.56x45mm ammunition. This is a higher pressure round.