This can be a Mod which have a Real looking Weapons Skins Pack (of U.S, l dont know) for GTA IV, this can be a first model of the Mod, bug nonetheless seems.
Credit:
EDUGamer291
Weapons Skins Pack 1.0
Direct Download LinksFile: 1508359554_Weapon Skins Pack 1.0_GTALand.net.rar (32.29 MB) 
