4" is long enough for anyone, if you cant stop geese with 7 dram 2 1/4 ounce its time to packup. the other option use a muzzle loader no chambers to bother about. I have been using a single muzzle loading 8 weighing in at 16 pound but found no pattern advantage using anything above 2 ounce. big gun prices are going rather silly over here at the moment the local gun shop has a Greener boxlock none ejector double 8, but he is asking £13,000 for it. Its nice but not that nice.
Peter.
|