Well, it looks fairly accurate with respect to H3... Most of the gun motion is quite choppy though. I realize that that's part of the H3 style which you're trying to emulate, but please make it at least a little smoother. The gun just jerks from point A to point B with no real in-between.

BTW loose the background and just make it gray. Also get some ambient lighting going on, it's hard to see exactly what's going on in some places.