This is a GMV roof for an M1114-style HMMWV, which I believe to be authentic, and a home-built or field improvised rear. It has a turret hole and cover.
I have two doughnut mounts for the front, and two weld-on doughnut receptacles for the center of the windshield frame (if your truck doesn't have them already).
Including two front steel doors (L&R), not sure if they're armor or not.
They're heavy - bring a friend!
humvee hummer h1 h2 h3 army navy marines air force special ops