XM177E2:

Learn about the XM177E2 carbine in Metal Gear Solid: Portable Ops, a modified M16A1 variant carried by Fox Unit Soldiers.

The XM177E2 is a variant of the M16A1 rifle, distinguished by its carbine design. Key modifications include a shortened barrel and the addition of a retractable stock, which reduces its overall length by approximately 25cm. To compensate for the muzzle flash produced by the shorter barrel, it is equipped with a flash hider. This weapon utilizes 5.56x45mm ammunition.

Obtained:

• Fox Unit Soldiers carry these in the Silo Entrance.