I have a 16ga Sportsman 48 that balances 4 inches in front of the trigger and weighs under 6.5lbs. I hunt ducks and late-season partrige with it sometimes, usually in really ugly weather well below sub-freezing, and it has never ever had a hiccup. I don't like the idea of an auto, but I can't bear the thought of parting with it...especially since I paid a whopping $250 for it. It cycles both hot 1 1/8 ouncers (heaviest I've tried) and my ultra-light 7/8 oz reloads with aplomb.

Mike Orlen can choke tube it for not much money at all if you want the flexibility and it doesn't have a polychoke already.