T86 Combat Rifle.
The original uploader was <a href="https://en.wikipedia.org/wiki/User:Szuyuan_huang" class="extiw" title="wikipedia:User:Szuyuan huang">Szuyuan huang</a> at <a href="https://en.wikipedia.org/wiki/" class="extiw" title="wikipedia:">English Wikipedia</a>.
Attribution
Originally from <a class="external text" href="https://en.wikipedia.org">en.wikipedia</a>; description page is/was <a class="external text" href="https://en.wikipedia.org/w/index.php?title=Image%3AT86-2.GIF">here</a>(Change to .JPG)