I have a Browning Gold Clays that I have had for probably 20 years, Yes it has a different piston. Replacing the recoil spring with the Wullf XP spring and drilling the gas ports out 1 numbered drill bit size was the trick to making it super reliable with light target loads. I have found that every 20 ga Gold will cycle more reliably with the Wullf XP spring. I would not perform either of these modifications if you ever plan to shoot anything but target loads or if you ever plan to return it to Browning for service. The gun could be damaged shooting field loads after this modification..
