XM16E1

The XM16E1 is an assault rifle used by Naked Snake during the Virtuous Mission and Operation Snake Eater.

Overview
The XM16E1 is a state of the art assault rifle that was being tested by the U.S. Army during the 1960's. It uses small caliber, high muzzle velocity 5.56 x 45 ammunition, with the magazine size being 20 rounds. A suppressor can also be attached to the rifle. It can also change between semi-auto, full-auto, and 3-shot burst fire. It is fairly heavy, weighing 2.9 kg (6.4 lbs) and takes about 1 second to reload.

Location
Snake obtains the XM16E1 in Dolinovadno during the Virtuous Mission, though loses it once he is thrown into a river in Dolinovodno by The Boss. During Operation Snake Eater, Snake can obtain the rifle inside Graniny Gorki.