Thanks all....
I didn't think that Alan would actually sell parts especially something this small (?)
Before I bother him for something this insignificant, I'll try Brownells or ebay...
Kevin, I think I found his phone number: IT'S BEEN SUGGESTED THAT MR. HARTON MIGHT NOT WANT HIS BUSINESS PHONE NUMBER POSTED FOR ALL TO SEE. AS HARD AS THAT IS FOR ME TO BELIEVE, I HAVE DELETED IT....
Again, thanks all will be looking around as time allows.
John