Wow, this is a great question and one that should get responses from all over the map.

My favorite .22 is my Romanian M1969 trainer. I filed off all tool marks and had it reblued. I also reshaped the stock and bedded it and added a Leupold one-piece base mounted backwards and a Leupold 2x7 scope installed.

It is a razor on ground squirrels and the like. Great trigger, great balance and the whole deal including rebluing was about $150, not counting the scope.

The now available part might be tough. I think these things dried up a year or so ago. I should have bought 10.