gel

Hi guys, I had a quick question. I was studying the FBI Protocol when it comes to the 10% Ballistic Gel penetration standards, and after digging through multiple websites, I noticed that certain aspects aren't talked about as much, like skin resistance. Do you all no how many inches of gel is...

I know that the FBI Standard for adequate self defense ammo 12-18" of penetration in properly prepared 10% ballistics gel. And from my research, the vast majority of JHP's fall into the 12-14.5" range. I also know that penetration in gel is not the same as in a body, being that I've read that...