Personally, I'd think it would be great with a damaged wooden stock. Do you think you can play around with a wood stock (two versions) just for shits and giggles?
Honestly, I wouldn't go hard on you at all in regards to the AN-94, Millenia. It is IMO one of the hardest weapons to skin well because the weapon in all actuality is very bland aesthetically.
Need a place to host and give publicity to your mod?
Moddb.com is the place for you! http://www.moddb.com/games/80/stalker
(They're always happy to serve new customers)