David's Collectables- Lots of Mosin Nagant stuff. He has stripper clips too.
Mosin Nagant rifle Accessories- Just like it says with lots of good pictures.
Impact Guns- a good source for blank ammo.
Nafziger Collection- Books on Russian unit tactics and military organization.
Front of Russia- Lots of Russian items here!
Trident Military- Great reproduction uniforms and lots of good gear.
Collect Russia- Good selection of items for reenacting and some really nice original stuff.
Ostfront- Great site for original WW2, postwar and reproduction German , Russian and Finnish gear .
Red Army Militaria- Russian documents, awards and posters.
Soviet Army Stuff You might find some items here. Do your homework first.
Dennis Deck- Email for a price list.
The Russian Grunt- Email for a price list.
Vendor guide- A listing of most (not all) of the reenacting vendors plus customer reviews.