H&R makes a 22lr 9 shot revolver, Model 904
40-190 usd
.22 Mag only.
You can find a 22 mag cylinder for a 22 mag revolver mod 21S MIW Germany on eBay. You may also be able to find one through antique sales and antique gun collectors.
IF the revolver is marked ".22 LR" yes. If it is marked ".22 WMR" or .22 Mag" or " .22 WRF", then NO.
25-100 USD
NAA does not.
50-150 usd
Your revolver is 9 shot revolver any speed loader made for a 9 shot 22 revolver might work but I have never seen such a thing
.22 short, long or Long Rifle. .22 Long Rifle is available just about anywhere and can be shot in your revolver.
It can.
50-200 USD or so depending on specifics
15-75 usd