I had encouraging luck today with the Ranch Dog 165 tumble lube bullet in the plain base variant. Air cooled wheel weights, sized .310 and lubed with Recluse 45/45/10 in front of 16.0 AA data powder 2220 went into about 2.75" for 10 shots at 100 yards. That's my best luck with plain based yet.
I'm pleased that I managed to do that with a plain based bullet that can be tumble lubed and used with the push-thre sizer.
Bad luck with a Lyman 311291 because it turns out the nose is too fat for me to seat them flush with the bottom of the neck. They wouldn't chamber so I have no idea how they will shoot. Guess I should have checked that before I loaded up 50 of them, don't you think?