No. The R-101 was made in caliber .22 LR, which is a very different round from the .22 WMR. Later models of the High Standard Sentinel WERE made in .22 Mag, but if YOUR sidearm is not marked .22 Magnum or .22 WMR, do NOT try to fire them in it.
IF the revolver is marked ".22 LR" yes. If it is marked ".22 WMR" or .22 Mag" or " .22 WRF", then NO.
No, the 22 Mag will not fit.
No. The R-101 was made in caliber .22 LR, which is a very different round from the .22 WMR. Later models of the High Standard Sentinel WERE made in .22 Mag, but if YOUR sidearm is not marked .22 Magnum or .22 WMR, do NOT try to fire them in it.
9 shot.
The mini-mag should still be .22 LR.
No.
roughly about 22 miles accurate
About 150 yards.
No, wont fit and would not try
Check the on line auctions.
22 Long
.22 mag and .22 LR are not the same. So, no.