I have others but this is thicker heavier jacket, better penetration for close work and larger game. I may not shoot 2 in 10 years but they are what they are and there aren't any others. A hard cast lead will do the job but it's a pain getting the cast formula just right to work in a modestly customized Marlin 44 magnum carbine., micro groove rifling. My project and I choose to pursue it for a while.
What's major to you is just a buck private to me.