300 USD give or take.
100-400 USD or so
500 USD
Depending on condition, 75-175 USD.
$200-$300, depending on exact model and condition.
400 or so
Depending on caliber and condition, usually $300-$375. New ones can be found for $425.
It is about 250-350 used depending on condition. Around 550 New.
Ruger has extensive sn on their website. The sn you list is not on it. You will need to call Ruger. 400 or so
The National Rifle Association (NRA) endowment value is not publicly disclosed, so it is difficult to ascertain the specific value. Additionally, the Ruger MK II is a specific model of firearm produced by Sturm, Ruger & Co., but its value can vary depending on factors such as condition, age, and demand. It would be best to consult with a gun dealer or appraiser to determine the specific value of a Ruger MK II.
100-200 usd In 2010-11 time frame, used but operating examples of the Ruger Mini 30 will sell between $350 and $500, depending upon overall condition.
It all depends on the model, caliber and condition of the Ruger. If I asked what is the price of a used Chevy you would probably ask. Which one, how old, what condition, Which engine. How many miles? It's the same with a used Ruger.
There is no accurate way to answer your question without knowing more about the specific gun. Most of the value will depend on the overall condition and exactly what model of firearm it is. There are also variances of value by region where the firearm is located. As a ballpark figure, generic Ruger model 77 bolt action rifles in used good (80%+) condition should have a value of around $300-$400.