I also have used "all three." Although in reality, 296 IS
H-110; just labeled with a different number for marketing purposes.
I found out that the H-110 powders burn very clean whereas 2400 leaves a lot of "residue" behind. But it sounds like it doesn't affect accuracy! Maybe mag primers help this situation.
BTW if you want to load light loads, Unique is great.
"Don't ever tell me the odds."
Hans Solo, Star Wars movie
There's more than one way to skin a coyote.
The only man smarter than a wise old coyote is the one that gets him.