I shortened a 311291 Ideal mold a few years ago because the base was messed up making the mold pretty much useless as it was. Since the resulting bullet works well in some of my guns and I became tired of casting for hours at a time to get a big pile of bullets I submitted some samples to NOE for a multi cavity mold. I asked Al to add a .150" meplat to it because I have used it for slow loads in several guns including my old Marlin 32-20. Al added a gas check version that IMHO, will be the berries for faster loads in many cartridges, including the 300BO.
I originally used the plain base version a lot in my 30 Badger wildcat which is a 38 Special case necked down to 30 caliber and has about the same capacity as a 32-20.
At any rate, I thought I'd post a link to it here.
Thanks for looking guys.