I don't think any .22 rifle would warrant the use of a muzzle brake. How long is the barrel? A .920 barrel will be heavy enough to really dampen muzzle flip, etc. .22's really don't even have alot of recoil to start with.
Besides that, in my opinion the clamp-on "barrel stabilizers" or slip over muzzle brakes just don't look good. Adjustable tuners for target rifles are a different thing, but I would just take the money you would spend on that and put it into better trigger/action parts if you haven't done it already.