Mosin Nagaint repo scope/mount

[Keeperfaith]

Has anyone used Accumount scopes and mounts to make a repro sniper Mosin Nagant?

I found these on ebay.

Just curious if they are worth the money, accurate, hold zero, and allow you to use iron sights. Also are they simple to mount?

Soviet Russian PE PEM sniper scope mount for Mosin Nagant 91/30 with round base



http://www.ebay.com/itm/Soviet-Russ...330?pt=LH_DefaultDomain_0&hash=item486c41267a

Thanks
Steven