Steve emailed me back this morning. He thinks I'll run out of case capacity before I pressure out, and also thinks 3200 is possible.Looking good! I’d keep going until you find pressure, then back off. In my experience, Nosler brass will ejector mark way before you get a sticky bolt.
I bet you get above 3100fps.
I imagine that'll be fast enough to make you quite happy!and also thinks 3200 is possible
What length of barrel? I assume 22” being a Remington mountain rifle. I’ve got a 284 Winchester being built right now and some 143 hammers on the shelf. Might have to get some of these absolutes