RG model RG31 Caliber 32 long manufactured by RG industries, Miami Florida
0-50 USD depending on condition.
25 USD
25-60 USD or so
In perfect condition the Rohm RG 23 .22 cal runs from 50-75$ hope that helps
No more than 50 USD
15-45 USD
20-50 or so
20-60 or so
25-50 USD
10-70 USD or so
Try a gunsmith or gun shop