There are some fantastic older 10 gauge doubles out there that are VERY shootable in the field...like the 30" Prussian Daly 10 gauges that weigh around 8#. Those are 2 7/8" chambers of course. I'm on the hunt for the right one. It will not be limited to waterfowl blinds. I will look forward to using it on upland walking hunts. These light 10's were the all around hunting gauge "back in the day" when waterfowlers were using 8 gauges, etc. With safe, appropriate loads using modern wads & techniques, they are impressive.