It has a modular scope, magazine, and the stock can be extended. This gun also has multiple skins.
Main Body - Tri's = 6,110 -- Textures =1024x512
Scope - Tri's = 1,524 -- Textures = 512x256
Magazine - Tri's = 644 -- Textures = 512x256
Software Used: 3DS Max 2013, ZBrush 4r4, Photoshop CS5, nDo2