I have yet to cast with my two 6 cavity 9mm lee molds. Decades ago, when I used H and G 4 cavity molds, I found that having a dipper with a spout really did help eliminate having rounded bases on my bullets. I did cast a very few .45 Lee bullets for a friend almost 20 years ago, but he had perfect linotype alloy, so that might have lead to the perfect casts,, even with an open top dipper. Can anyone tell me if the aluminum molds are a big help with that? Also, does the lee tumble lube work with 9mm bullets? I really wont be casting enough to justify the cost of sizer-luber machine. Finding the lead is a problem around here. I"m aware that I need to hold down velocities in order to not get fouling and keyholing. I"ve got both 125 gr and 150 gr lrn molds. Any recommended lubes, if the tumble-lube is not all that hot? Thanks.