Nosler Trophy Grade Ammo!A sure shot! Manufactured to Nosler's strictest quality standards to attain optimum performance no matter where your hunting trip takes you. Cartridge: .300 Rem. SA Ultra Mag Bullet Wt. Grs.: 165 Bullet Style: PartitionMuzzle Velocity (F.P.S.): 3,000 Muzzle Energy (ft. / lbs.): 3,297 Rounds per box: 20.