Quote Originally Posted by Josie & John View Post
Hi Steve,

The EF prefixed Airsporter is indeed a Mk2 (made between Jan 1966 and Jan 1968).

It differed slightly to the previous EE model in that scope dovetails were narrower at 11.5mm and longer. The 11.5mm dovetails were introduced on the Meteor first, then the Airsporter according to BSA circular from late 1965.

Kind regards,

John
Thanks John, good to confirm as I thought I only had Mk1 & 2's, it threw me as the Knibbs "What's my BSA" a lot of us rely on said Mk3 but the same dates as you say.
It's my only one with the 2 scope rails, my others have 4 short ones or none at all as they get earlier.