Never loaded the Newton, but based on what I see in QL I'd be trying Re26 before anything else. It looks like it's about 150 fps beyond what the 4831s can deliver at equivalent pressures. That's no earth-shaking difference, but if you can have it then why not?
I'm here to give and receive knowledge, not affirmation or adoration. If you don't like it, mierda dura
. Intellectual honesty is not for fragile egos.