Oregonmuley, cant help You there, I've only used the 1" on a rifle weighing 8 3/4 lbs. all up, and its quite comfortable to me, not hunted yet, but made several trips out to 100/200 yard target stands and back.
I think the 1 1/4" would be GTG on bolt rifle's weighing up to 12 lbs.
Gunner
