Well, I for one am glad someone's doing an ACR for BF2 instead of just a Masada.
Pretty good model (the "bad" stock doesn't bother me since - as you mentioned - nobody's really going to be looking at it anyway), though I'm not too wild about the texture - it's alright for a temporary skin, but a permenant texture should take into account all the details, text etc. on the gun.
How do you plan on solving the whole "holographic sight" problem? My personal recommendation would to make it a red dot site
a la vanilla BF2's M4. AIX2 tried to solve the problem by placing the sight directly on the transparent frame itself, a solution which IMO didn't exactly work.
Nonetheless your model looks excellent (except for maybe the stock

) and I look forward to your progress. As to whether I'll join your mod, I'm not sure - you have "Heavy Blood effects/decals," and I am not a fan of blood and gore. However, I am working on a 512x512 US vs. Chinese map, and you're free to use it in your mod if you want to.
P.S. Have you checked out battlefieldsingleplayer.com? You'll find a dedicated SP community there, and maybe some support for your mod.