Shooting the 10mm and comparing it to the .45 Super with Factory Underwood Xtreme Penetrator Loading. Alaskan BallisticsI’m just a regular guy who likes guns, hunting, and ballistics.

This is a follow up video. There were so many comments and I got a few emails on how bad the velocity was hurting the 45 Super. My buddy noticed the comments and decided to loan me his MK23 to test the theory.