Installation:
To install use open Iv and search for: w_ar_assaultrifle.ydr ). 
Replace the files located in Patchday8.  
Remember to rebuild archive.

To install place all files in patchday 8

These models were created by Heffy of fallout nv nexus. 
http://www.nexusmods.com/newvegas/mods/42970/?

thanks:
Heffy for great models. 
Rockstar for great game.
TrophiHunter for youtube channel.  