50-225 usd
Depends on the store.
About 200 USD
Yes, Ruger made them
50-200
50-200 or so
I make them and other 10/22 style stocks. I have one almost finished(pistachio wood)
Ruger.
Ruger's web site has extensive sn data.
75-300
Depends on what caused the jam.
Check the receiver and barrel