One more time (although it's pointless with this crowd)...
I do not like using sabotted bullets. Please, no arguments; I simply don't like them. I have repeatedly asked for anyone with experience using full-bore 50-caliber bullets to see if anyone has a recommendation for one they like that isn't Powerbelt (because Powerbelt quit making the bullets I have tested and found acceptable for both accuracy and penetration), and is relatively easy to load, especially in a fouled barrel. I've received good advice about Great Plains bullets, maxiballs, and several other solid lead bullets. I've used all of those. They ARE good bullets, but they are hard to load, especially in a fouled barrel. I received good advice about the Thor full copper bullets. They are accurate, but so tight that reloading in a fouled barrel was nearly impossible.
I also received advice about the Hornady Boredrivers. We will be testing those, but so far, no one has shot a deer with one. We have shot them and found their accuracy acceptable, but don't know much from experience about penetration. Now that Powerbelt is making what is supposed to be a slower expansion bullet (the Copper V2), we will try those as well. But any other personal experience on full-bore 50-caliber MZ bullets is welcome.