“Results As speculated the Mac Book Pro stopped the .22 cal round, no penetration at all. The big surprise came from the 9mm being the higher velocity bullet, still did not penetrate the laptop”.
That’s why I use .45 ACP.
That’s why I use .45 ACP.
The .45 has about the same energy as the 9mm.
Penetration is about the same, though there are significant differences between specific loads.
Top end .45 and top end 9mm do not have much difference.