My wife has one.

by MarkS, Friday, August 01, 2014, 12:51 (3708 days ago) @ Catoosa

It is a very nice and accurate "budget" target 22 pistol.
I know she brought it to all the CSA's we have attended.

It is a little finicky about ammunition. Remington? Uh Uh!
Fedral, Winchester and CCI all seemed to work well enough.
Match ammunition works flawlessly.

The difference is rim diameter.
The Remington ammo is smaller than the middle group, and the match ammo (Eley, CCI Green Tag, Federal Match, they all measured near max and were uniform.
Maybe a longer extractor hook to get a better grip on the rim would work, but you would almost certainly have to machine the extractor slot in the face of the breech deeper also.
At least that's what I found on a sample of one. YMMV

Mark