"Factory" choke tubes?
 

This posting on GunBroker.com, references a Parker Reproduction with"Factory Choke Tubes".
http://www.gunbroker.com/Auction/Vie...Item=531042223

I sent a note to the seller asking if the barrel was marked "Sporting Clays". His response was no.

I'm unaware of any Factory Choke Tubes on any other Reproduction than the Sporting Clays model. Is anyone else aware of any other model so equipped?

I'd bet the seller doesn't realize what he's selling is a SCC--they weren't stamped "Sporting Clays" on the barrel, but instead were simply stamped "ISC" (Internal Screw Chokes) on the barrel flats. If it's indeed stamped ISC, it is the real McCoy--a genuine factory-built Sporting Clays Classic model--one of only 125 reportedly ever produced. This is how you'll find them stamped:

Greg, Thanks