Kind of funny you mention that, I always bring one of them along when I am shooting my 50 BMG that is very much single stage.
I don’t know if I am just not “man enough” or my mind/body is too quick to make judgment on what’s best for my head but I have found I can make a little longer shooting session if I alternate between the two.
Yeah, one is going to be “crisp” and beat you up a bit but the other just fires at the same distance point in the pull with no extra effort.
I guess I really can’t explain it any more that that or it just works for me. In gun games I always preach “consistency is key” but I guess mixing things up does some good too. Might have to work more on developing that the theory(s).