Green Tipped 5.56 NATO Vs. 5.56 55gr

[DMW1116]

I wouldn’t trust cast iron to stop many bullets. It’s better than nothing I guess but cast iron is fairly brittle at best.

 

[HowieG]

I hear you. My war is definitely with father time at this point. By God, I will be getting out to the range this summer and I will blast some of those SS109s into the dirt and father time can F.O..

I ran across a couple of medical articles that might interest you. This one sounds interesting, but the only way to get your hands on it is to buy it. There is a Part 1 and Part 2. Here is a link to the abstract of Part 1: Wound Ballistics of Unstable Projectiles. Part I: Projectile... : Journal of Trauma and Acute Care Surgery (lww.com)

The other is a full .PDF that is attached.