There's no point denying that today, assault rifles are divided between the M4A1 and the rest. Ever since its introduction in the 1990s, most new projects to emerge range from having a lot of ...

The M4/M4A1 5.56mm Carbine is a lightweight, gas operated, air cooled, magazine fed, selective rate, shoulder fired weapon with a collapsible stock. It is now the standard issue firearm for most ...