I have shot 3.5 shells. I do beleave they give you a small edge. The recoil is a lot harder. They add speed if you pick the right combo. I think the 10 patterns better witha 3.5, than the 12 because of the bigger bore. You just have a longer shot string with the 12. If the gun knocks you down you arent shooting the right way. Your shooting form must be awful.
I dont shoot 3.5 shells very often but once you buy some you have to get rid of them some way. I have been working away at them mixing them in with the 3" shells.
You are obsessed because you are here. Deer hunting doesnt have the same appeal as it did in past years.
John
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If this is in reply to me winding up on my butt in the boat, I was shooting at a Buffle flying Mach 1 through the decoys. With the bird coming from left to right and my first shot is straight out 12 o'clock, or correct shooting form, by the time I swing and let the third shot fly I am standing perpendicular with the gun. I don't know about you but I don't have time to readjust my footing when birds blaze the decoys.