This is a .44 Magnum pistol that I created for Offensive Combat.
It has a modular barrel, magazine, and has multiple skins.

Main Body - Tri's = 3,190 -- Textures = 512x512
Barrel - Tri's = 469 -- Textures = 512x256
Magazine - Tri's = 924 -- Textures = 512x256

Software Used: 3DS Max 2013, Photoshop CS5, nDo2