Whooooa Hoss!.........Now first off there is NO SUCH THING!
I have a Browning Gold in the 3.5 for geese, it is OK for those birds. However, it is far to heavy in reality to use as a duck gun in the flooded timber, simply to heavy for that kind of use and it will not suffice on a sporting clays course giving you good scores either in all probabillity.
Your best bet is to purchase 2 shotguns that will #1 let you become proficient on the course (which will add to your score hunting birds or rabbits etc) #2 Purchase yourself a shotgun best suited for the harvesting of geesee, weather that be a 10 gauge or a Browning Gold like I have in the vault. I by the way use the Hevi Shot, it is worth the extra money on a goose hunt.
Now there is another option which you can take also! Buy the shotgun strictly for "sporting clay work" with the ported barrels and then go by yourself a model 1100 Rembington Upland model.
Browning Gold would be for geese only. Now you have 3 well defined shotguns for a taylor made use.