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 ...

Adopted by the US military in 1994, the M4 carbine quickly became a battlefield icon. From its first deployment in Kosovo to its critical role in Afghanistan and Iraq, the M4 has proven itself as ...