Here’s a very professional looking Pistol model made by Padfoot7726 over at Blenderartists.org. Its a great example of realtime art and the level of graphics possible with the Blender Game Engine these days.
Padfoot7726 writes:
A simple Pistol, made low poly, for the Blender Game Engine, with GLSL graphics. Uses a color, normal, specular, occlusion, hdr reflection, and tiled normal maps.
You can watch a neat video on youtube or check out more images on the thread on BA.

