Second the 12 ga. pump recommendations. Take up sporting clays for entertainment.
I’ve always had a 12 gauge shotgun, which I keep loaded for home safety. Recently I bought a .38 snubnose revolver, since it is easier to handle with the arthritis. The kids have home defense weapons, we’ve all grown up with firearms for hunting and defense.
We’ve never needed them, but I’d rather have them and not need them, than need them and not have them.