The M16A2 was seen in the BOGO badge icon, hinting that it can allow for multiple kills.M16A2 is the only other 3-round burst weapon in the game along with the Plasma Launcher.The M16A2 has the resemblance of the weapon used in the film ' Scarface' (1983) that the protagonist 'Tony Montana' used at the end of the film.

The M16A2's grenade launcher is the only weapon that can launch enemies without providing a self-damage reduction when jumping.The M16A2's grenade launcher is the only weapon with ammo in the game that does not auto-reload if the setting is turned on.The grenade launcher under the M16A2 is the M203 GL, a single shot 40mm launcher designed to be attached under a rifle, meant to replace the older M79 grenade launcher.It is the successor to the M16A1 and the XM16E1, made after combat experience in Vietnam proved both guns to be deadly to its user, adding extensive modifications to the weapon overall.