This is 7.62 x 51mm Silver State Armory 150gr. Nosler Accubond Ammo. Ballistic tipped bonded projectile increases ballistic coefficient, and provides excellent penetration, with a large wound cavity. Also a good barrier round. Each cartridge of Silver State ammunition begins with precision made non-corrosive brass case. Silver State Armory uses quality primers, high performance propellants, and bullets from trusted names like Sierra, Barnes, and Nosler. Each cartridge is hand inspected to ensure quality and to deliver superior performance. Serious shooters rely on Silver State Armory ammunition to make the first shot count! This ammo has a muzzle of 2720fps. and comes packed in 20rds. per box.