Never seen the M22 stocks even and cannot help much with the question. I will say this, that m22 stock is horrendous. I looked em up out of curiosity. With 5 minutes and a piece of scrap paper I could design a much nicer looking bullpup stock. I am serious. One good thing, the 10-22 ones are even worse. Cannot come up with a comparison for those though.
Looks like the guy that designed it must have been a Hockey Player. Maybe a Golfer? As it looks like they stuck a Marlin Action in a Hockey Stick,LOL
I guess as long as it is unloaded it could double as a precision putter. Maybe even a Driver.
Maybe someone custom installed a semi auto 22WMR action in the stock? If so it could be "fixed"
Marlin 922M, made from 1993 -2001. Approximately 7000 made, so they are not that common.
Mine will shoot a 1" group at 100 yards, will out shoot my CZ 455 WMR.
5 round magazines available that can be converted to a 7 round magazine. You can modify the Marlin 25M magazines to fit by milling a slot into it to get higher capacity magazines.
Trigger is very heavy, and cannot be modified easily.