Dum Dum Shotgun Slugs

In this video modify some Lyman 525 lead slugs by putting deep cross-hatches on them. "Dum dum" is a slang term I have heard from friends where a person modifies a bullet with a knife or file to create a shear-point so the bullet expands and causes more damage instead of just going through the target. You don't hear the term that often anymore since other terms and technologies have replaced it.

This idea came from:
https://www.youtube.com/channel/UC9s_CBfdZeL06KGfcVHqYnA

Видео Dum Dum Shotgun Slugs канала TAOFLEDERMAUS