Developed for the M16 service rifle, the .223 Remington has only gained in popularity since its arrival. With the advent of the AR-15, the .223 Remington became a staple for the American people. These steel cased, Berdan primed, Russian made Tula rounds are a perfect choice for range training and the like. Full metal jacketed and traveling at a speed of 3241 feet per second, you will have a fantastic time shooting on the range. These 55 grain, non-corrosive bullets come packaged in 100 round boxes. Don't miss out on this great deal of 1000 rounds, and pick up some today!