The study looks to be top shelf. They also made it interactive with their website; if you see something of interest just give it a click to see what's available and how much it costs.
As expected, some ammo doesn't perform well with short barrel pistols.
The 124-gr +P stuff that I use in my Glock 43 looks to be borderline okay. Good to know.
All very interesting. Very well done. CLICK HERE to give it a look.