Much better than your first, behind the gun looks horrible though. I like the wireframe, it's something small but it helps a lot. The blurred clipping mask, in the bottom right corner is dagging my focus away from the render a bit but not to major.
The blur on the base of the gun is a bit too noticeable for my liking. Like others have said the gun also looks odd and there is a blank space to the right of the gun.