M4A1

The M4 carbine is like an upgrade of the 3 round burst M16. There is a variaty of atachments for the M4A1, such as... M203 (this is a granade launcher), shotgun, red-dot sight, hologhaphic sight, ACOG sight, flamethrower, 3 round burst, extended magazines,bayonett and SOPMOD.

SOPMOD
SOPMOD positions a grip, laser sight, suppresor and either one of ACOG or Holographic sight.