User blog comment:Master Moridin/Mercury's Boots Don't Just Shoot Bullets/@comment-26397825-20151210053905/@comment-26397825-20151210055636

This is true...

Perhaps it's crystals cut in the shape and size of slugs, but each shot only uses a little bit of it. The rounds would have the shape due to being from a crystal made of that shape? Or maybe it's as you say and they handwave. He can probably have about 20+ bullets around each leg when you take into consideration the size of his weapon and the size of the slugs.

I like to think there is a different between orange and red dust. I don't know what it is yet, but I like to think it exists.