There are 11 different Airsporter models. Which one are you asking about.
It was made between 1948 - 1959. That's all the information I have. You could try the link below for BSA.
Their are 12 different Versions of the BSA Airsporter. Each one is different.
The BSA Mercury was made between 1972-1980
I suggest you contact BSA directly in the UK. See the link below..
The values of a BSA 22 long rifle, lever action in excellent condition is $500. In used working condition it is valued at $375.
No published sn data.
BSA made several different air rifles. Unfortunately you did not state the model number and that is critical. You could try to contact BSA and ask them. see the link below.
You Question is too vague to answer here. I suggest you contact BSA directly on their web page. See the link below.
There are a number of places that an individual can find BSA rifle scopes. Some of the places you may want to try include BSA Optics and Air Rifle Scopes.
I need two pieces of information. The model number and the current condition of the rifle. Give it a rating like Poor, Fair, Good, Very Good, or Excellent. The serial number is of no help.
BSA cadets were made between 1946-1959