I know very little about your gun so this is mostly pulled out of my butt....
Guessing the top of the barrel has a dovetail cut for a sight?? Yes...ok.
You also have one or two screws in the side of the receiver to mount the
peep sight..yes?
If so a person could mill out two mounts, one at the rear sorta L shaped and
one located in the dovetail on the barrel and use these to attach the scope mounts.
If you had to pay a shop to build these you could just buy another rifle first, but it would
keep the old gun "stock" and some of the people in this thread wouldn't come to your house
and throw stones through your windows.
Myself, If I liked and was keeping the gun might be inclined to just drill and tap the receiver...
don't tell anybody!