If you want a mount that's quality, and does not require drill and tap, get a JMeck mount and bend (or buy one) a bent bolt.
http://www.jmeckscopemounts.com/
Just making you aware of another option in case you wanted to use a standard eye relief, higher power glass.
And do yourself a favor and look at getting a Boyd's stock instead of the ATI plastic one. No offense to those that like 'em...