The Surprising Truth About 5.56 Ammo: Myths and Facts You Can't Ignore
The Best 5.56 Ammo FN Herstal created the 5.56 x 45mm NATO cartridge in the late 1970s, and it is a .22-caliber round intended for use in military rifles. The .223 Remington cartridge used in the M16 military rifle was based on the original...