WILLIAMS HAS( OLD )SIDE MOUNTS FOR THESE GUNS.
Yes I believe that the Savage model 110E and the regular model 110 will share the same scope Mounts.
S & K Scope Mounts in western PA makes one for the Eddystone http://www.scopemounts.com/ Look under "Insta Mounts"
Yes, a Winchester Model 422 can be equipped with a scope, but it typically requires the use of scope mounts or rings designed for the rifle. The Model 422 is a .22 caliber rifle, and while it doesn’t have factory drilling for scope mounts, aftermarket options are available. Proper installation is essential to ensure stability and accuracy when using a scope.
Yes
what type of scope mounts do I need
Yes.
About 300 bucks if it has a cheap scope on it!!
Your shotgun was manufactured by Hi Standard as their Supermatic model C1200, no later than the early 1980's. Suitable scope base mounts will be difficult to find.
Yes, but, it will take a gunsmith to do it right.
One can purchase rifle scope mounts from websites like Optics Planet, Cabelas, Amazon, Scope Mounts, Airgun Depot, eBay, Talley Manufacturing and Jmecks Scope Mounts.
Should serve you well. You will need mounts and rings.