Just a dumb old guy with sixty years of casting, loading and shooting. My experiences: under 750-800 fps, good lube, sized to throat dia, plain base fine with wheel weight metal.
1000 and up, I use gas check bullets and get no leading. Again, wheel weight metal
Rifle, mainly 308/30-06. Linotype, gas check, sized to bore dia, beeswax/alox, 2000 fps, no lead.
Leading galore with "hard cast" bullets and the damn crayon lubes.
Argue, debate, fuss all you want. I know what works for me. Ain't puttin painted bullets down my lapped barrels.
