As far as I can tell both the Vepr you linked are the same model but one has been converted to 922R compliance allowing further modifications at the owners discretion.
What is the difference in a new Molot Vepr like this one:
http://grabagun.com/molot-vpr-76239-01-vepr-762x39-16.html
Vs. and older model like some I've seen posted on here for a lot more money like this....
https://www.theoutdoorstrader.com/threads/fs-molot-vepr-7-62x39.1368065/