The RG 23 was not meant to be disassembled by the user. As a cost saving measure, these were assembled with pins rather than screws. These were low cost, low quality firearms- if you have one that needs repair, the repair costs will likely exceed the value ($25-50) of the revolver.
Not meant to be disassembled by the owner. If you have, you need to take it to a gunsmith
5-50 USD
Best left to a gunsmith.
No serial number data base. Most of these were from the 1960s
About 30-40 USD
Best left to a gunsmith
25 USD
RG model RG31 Caliber 32 long manufactured by RG industries, Miami Florida
5-45 dollars
Ask a gunsmith for help
FRG
20-60