THE BASIC PRINCIPLES OF BUY RUGER AR-556 MPR 5.56 NATO/.223 18″ BARREL15″ FOR SALE

Muzzle velocity varies substantially cartridge to cartridge. That’s why our chart, which assumes a two,800 fps muzzle velocity across the board, just isn't a definitive information to 308 barrel twists. But it does offer a solid notion of what you ought to be shooting for!It is possible that no additional discussion is necessary, where situation