Request a manual from Ruger's website or take it to a gunsmith
Without knowing WHICH 22 pistol, we can only surmise that you did not correctly reassemble the pistol.
Request a manual from Ruger's website or take it to a gunsmith
You need the services of a gunsmith
Let a gunsmith do it.
See the link below for reassembly.
Recommend you seek the services of a gunsmith.
You really need the services of a good gunsmith
A 22 caliber pistol holds a dose of 22 caliber ammo.
On line auctions.
If you don't have a manual, you will need a good gunsmith
the numbers refer to the calibre of the weapon, which is the width of the bullet. so a 22 pistol fires a bullet with a width of .22 inches
Take it to a gunsmith.