ORIGINAL: HEAD0001
I personally cast mine to 525 grains. It is a very accurate bullet. I do not lube them, but I probably should. A simple liquid Alox would work, or even Bore Butter.
Just remember that in a 50 caliber rifle, this bullet would not be legal in Colorado. They are limited to not be over twice the diameter of the width. thanks for sharing the "how to" info!