SIG AMMO 300BLK 120GR SBR COPPER 20/10

This supersonic duty round is engineered for reliable controlled 1.8x expansion. - The supersonic SBR Elite Copper Duty ammunition features an all-copper bullet. Velocity is 1897 fps with muzzle energy of 959 ft-lbs out of a 6.75 inch barrel. - Ammo Type Rifle - Caliber 300 BLK - Grain Weight 120 gr - Qty Per Package 20 - Muzzle Velocity 1897 fps - Muzzle Energy 959 ft-lb