M16

How To Obtain
You start the game with this weapon, along with it being automatically equipped for you.

Trivia

 * 1) This weapon is the first assault rifle one can obtain as they get it from the start.
 * 2) This weapon is the weakest assault rifle in the game, the M16 has 1.3 damage while the AK-47 has 3.5 and the Scar having 3.2, effectively making this weapon useless later on.