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 ...

Well, the switch is still a few years away, and buyer preferences may change, but there’s a strong chance that the lack of a gas-burning M4 will send buyers to the showrooms of those ...