Too vague a question. Ruger makes a range of pistols and rifles in this calibre, and they'll have standard editions, special editions, various finishes, etc. You would need to at least specify a model.
25-250 usd
100-700 USD
Ruger will tell you if you phone customer service.
50-150 dollars
50-175 US Dollars
100-500 USD depending on specifics
175 USD
75 - 150 USD
175 USD
50-250 depending on specifics
I purchased a new one for $37.50 New in the box!!
$300-$375, depending on condition.