It's so.... cute!
If you want parts get your butt over to an age verifier and get verified. It'll open up the forums/classifieds for you.
Personally would've used duct tape for that guerilla look, but still quite sleek.
Any input on how well its running? The rest of your set up? Also don't bother with laser sights, just get yourself a rail and optics if you must. Kalashnikov iron sights are an icon though man, just learn to aim with those :P.
WA SV Infinity 5" Classic