Unaware of any maker by the name of Rugar. Ruger, however, does make a Mark II. Value range 100-200 USD
50 or so
About $100-$125
50-400
100-350 or so
75-550 usd
50-300 depending on specifics
500
this gun, if used in new is selling for 425.00
100-400 USD
$100-$200 depending on condition and material's it is made of. More for Stainless steel less for Blued steel.
Anywhere from 750.00 to 1800.00 depending on condition and how bad somebody wants it.
Check Browning.com website.