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 ...

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 ...