For an AK - without sinking a ton o' cash - that will get the job done, and give you a GOOD amount of eye relief, I would suggest, one of these;
http://www.mountsplus.com/miva/merch...OT/SPO-MK3-NR6
Rugged, dependable, no rocket science involved, and I just
HAPPEN to know, where a SPANKIN' new-in-the-box-still model, is
available! Only $150 shipped, no less - comes with the cantilever mount, resin, battery, lens wipe, hex wrench, and instructions!

Just drop me a PM.
Bob