Well since I had a second recoil pad on my shotgun to add some LOP, I decided to try the 3 inch mags again. While they were more manageable and comfortable, they still jumped a bit. To the tune of "Lets send a piece of picitinny into WG's thumb and take a bunch off." So I have a flap of skin about half the size of a dime hanging off. That sucked. It would not stop bleeding either till I found napkins and duct tape in the car. I thought I had a FAK in there, but apparently not. I've fixed that now.
When I got home my wife put lavender essential oil on there, and that helped quite a bit with the bleeding. She wanted me to maybe get stitches, but I"ll wait and let it heal. If it gets infected I"ll visit the doc, otherwise this is a chance to learn more medical stuff. I think it was pretty clean though. That much blood had to have washed out any foreign material.
But seriously, when it happened I let out a loud "not again!" using mostly four letter words. It is not getting injured that bothers me. It is recovery time. And "memories" that might persist and act up occasionally.
Also, again, nothing but 2 3/4 shells for me ever again. Not even if I should live to one hundred or one hundred and ten.
I would not hesitate to put 3 inchers through a heavier gun. But for HD, it is solely the smaller rounds.
I also got a 5 rounder HD gun thinking "why would I ever need more?" My next HD gun will have more capacity. Just what I"ve concluded.
I also found out Winchester's segmented slugs are rather amazing. Winchester and Federal are my top brands for shotgun HD rounds. Lots of other companies make good stuff, but those two are tops.
[EDIT] Also, just my general observation, but I suspect tritium sights on shotguns are not really necessary unless one lives in a state where one intends to do night hunting but is not allowed to use a red dot sight. If using a shotgun for HD, one will have a light, and this light will illuminate a Big Dot sight, though not necessarily a bead. I do believe the Big Dot type sights are VERY necessary on shotguns.
I"ll try to get some more practice in and maybe some night hunting this winter. If I still hold to these opinions after all that I'll share again.
On the other hand, I might use my rifle for night coyotes.

We will see.
*Remember: I'm just a guy on the internet

*Don't go to stupid places with stupid people & do stupid things.
*Be courteous. Look normal. Be in bed by 10'clock.
“It's a dangerous business, Frodo, going out your door. You step onto the road, and if you don't keep your feet, there's no knowing where you might be swept off to.” -Bilbo Baggins.