e Ask a gunsmith for help
Colt did not make the rifle. Sauer made it for them.
Contact Sauer.
You will have to call Sig Sauer to find out
Price, the 92 costs more
I don't know how much exactly but a lot. The fact that it is from Sauer (now part of Sig-Sauer) and that it is a fine and now discontinued sport rifle will make it VERY valuable. Unless of course it is in absolutely terrible condition.
.22 Long Rifle - the Sig Mosquito
Try e-gunparts.com
10-100 USD or so
No published sn data
Try want ads, gun shows, gun shops.
If you follow all the federal laws and have the money, yes.
100-500 USD or more depending on specifics