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 ...

This has naturally shifted the meta a little bit ... i.e., the M4A4, and the M4A1-S, both of which are excellent rifles. Lastly, the Desert Eagle and the USP-S also top this list on account ...