The Winchester Magnum Rimfire is a larger round, and is capable of producing twice as much energy as the .22lr. I do believe that Ruger is making a rifle capable of handling the .22WMR, but a standard .22lr rifle is incapable of safely firing the .22WMR.
Yes, Ruger made them
it is worth ..............$$$$
50-200 usd
Yes Crosman makes the model 1077. It is a copy of a Ruger 1022.
Ruger's web site has extensive sn data.
50-200
What exactly are you asking?
$150-$200, depending on exact model and condition.
For a basic model, you're looking in the vicinity of $170 - $200 new.
Ruger.
$50 - $250, depending on new or used, specific model, and overall condition.
Ruger has extensive serial number information on their web site.