A 5.56 NATO, fired in a rifle that is chambered for a .223 Remington, may be capable of attaining as much as 65,000 psi or higher, its working pressure, instead of just the standard working ...

The M855A1, a 5.56 mm Ball ammunition, is an enhanced performance round for today’s combat and training environments. It works with the M4 Carbine, the M249 machine gun, and the H&K and M16A2 ...

The SWAT 5.56 is a precision weapon that can burst down squads in Warzone at just about any range, especially if you use this ...