This is what you want. Original equip. I have tried some cheapy knock offs and they dont cut the mustard.
http://kalinkaoptics.com/mounts/ak-vepr-saiga-romak-1-2-slr/original-bp-02-ak-saiga-vepr-centered-side-mount-to-weaver-rail.html
Because of the scope I was scratching my chin on 16" barrel vs. 20"... thoughts?