Contact Ruger Customer Service through their website.
Fitting will be required.
10-200 usd
150-225
150-225
The 10/17 and 10/22 Magnum were both discontinued for the same reason: they were not sold in quantities enough to justify further production at their chosen price point. In other words, the market had determined a price that could not support production.
You can look up the serial number on ruger's website
10-200 usd
50-160 USD
In .22 cal it's rated at 1000 FPS
100-300
100-450 USD