Well I shoot a 20 ga, that's all I shoot, andi t has sealed the deal on plenty of small game, deer, and turkey! I have a Mossberg 500 20 ga Super Bantam turkey gun....had it 2 springs now and gotten one bird each spring, both at least 30 yards out, dropped em down dead.
I guess alot of people think go with the big gun aka 12 ga....well 20 ga these days can perform just as well