Probabably 22LR. Have it checked by a gunsmith.
A .22 revolver takes CARTRIDGES. Which .22 cartridge will depend on what caliber the revolver was made for. A .22 LR can shoot Long Rifle or Short cartridges, and a .22 WMR uses .22 magnum cartridges. They do not interchange. There are a few .22 revolvers that have 2 cylinders, and can shoot either cartridge.
15-50 USD
10-100 usd
It fires .22 Long Rifle bullets, and leaves behind shell casings when you eject them from the cylinder after firing.
No
IF the revolver is marked ".22 LR" yes. If it is marked ".22 WMR" or .22 Mag" or " .22 WRF", then NO.
50-5000 USD or more depending on specifics
25-65 US dollars
No. .22mag. bullets are too long, and they aren't heel-type bullets
No it can only fire 22 caliber pellets not bullets.
It can.
NO NO NO! Only shoot what the rifle is chambered for and so marked.