10-150 USD depending on specifics
50-150 usd
15-150 USD or more
20-125 USD or so
1965
46 years
About $250.
the R-107 was made for .22 LR only I believe. the R-106 had dual cylinders for it. I would contact High Standard and find out. But from what I know, High Standard R-107 didn't come with a Magnum Cylinder.
1966
50-200 usd
50-150 or so
10-200 usd
SUPERMATIC TOURNAMENT MILITARY - $125-550 - depending on condition, if it has "MODEL 106"/"MILITARY" on it, a few dollar more, but without more detail or serial numbers...