Lapua ammunition is world renowned for accuracy and performance, making use of high quality components and adhering to the strictest of tolerances. This ammunition is new production, non-corrosive, in boxer primed, reloadable brass cases. Technical Information Caliber: 308 Winchester Bullet Weight: 123 Grains Bullet Style: Full Metal Jacket Case Type: Brass Ballistics Information: Muzzle Velocity: 2936 fps Muzzle Energy: 2363 ft. lbs.