There are a variety of options. For mounts, I really like the Darrell's mount. Jmeck gets good reviews, as does the Brass Stacker (the one Nutnfancy uses, fwiw).
A good summary is here: http://mosinnagantscopemounts.com/
http://www.gunandgame.com/forums/pow...ope-mount.html
http://parallaxscurioandrelicfirearm...2#.UPIds280V8E
http://brassstacker.com/M38-M44-T53-Scout-Scope-Mount/
http://www.jmeckscopemounts.com/