What I can tell you is that the 27 gr. loads have a non lead HP design that doesn't not expand when it hits water or wood. It appears to dump it's energy very quickly and they penetrate half or less than do the typical hardball rds. from the 9mm.
They burst the sides of the 2.5 gallon jugs I use much more convincingly. Like a 158 gr. swagged SWC at 940 fps. but in reverse. The above load bursts the rear half of the jugs while the 27 gr. non expanding HP's blow out the front half. The bullets are recovered w/o any expansion present.
I've never tested the AP ammo. I understand that they do indeed out perform everything else in military handgun load as far as penetrating body armor. Odviously I can't tell you how well they kill after doing such penetrating either.
Don't blame you for doubting this. Since I've sen this, I believe it. A very interesting pistol and ammo. E
