I don't buy the "Over-penetration" hysteria. But I do recognize that an expanded bullet does create a larger wound cavity. So, I will shoot any hollow point that feeds and ejects reliably; as well as is accurate in my gun. If it expands, great. If it doesn't, it's not the end of the world. Like I said, I don't care about over penetration. But a true FMJ tends to "Slide" around inside tissue and doesn't do much damage. It tends to allow wound cavities to close behind themselves. Whereby, a hollow point that doesn't really expand, becomes more like a flat nose or semi-wadcutter. Which I'm satisfied with.
This is not to say that I don't try and get a hollow point that is "Suppose" to function a certain way. But again, accuracy and reliability in the gun is the number one priority. What good is a particular hollow point if it doesn't feed properly. For my primary guns, these work the best.
1. S&W Model 13-1 357 magnum: 158 grain Federal Hydra-Shok
2. SigSauer P220 45acp: 230 grain Remington Golden Sabers
3. AMT 380 Backup: Hornady Critical Defense 90 grain
4. CZ-82 9mm makarov: Silver Bear HP 94 grain (I have been trying out buffalo-bore FN Hard Cast. I may go away from Hollow Point on this pistol.
5. Hi-Point C-9 9mm: Corbon PowerBall 100 grain
6. Kel-Tec P11 9mm: Hornady Critical Defense 115 grain
7. Kimber Custom 45acp: 230 grain Federal Hydra-Shok
My other pistols are either not a primary use gun, or I only shoot FMJ through it. While I have shown HP ammo that isn't necessarily the cheapest, I listed what is the most accurate and reliable in THAT PARTICULAR PISTOL. That is not to say that I haven't/don't feel comfortable with cheap hollow points if that's all there is available. Matter of fact, I can honestly say that except for the 9mm makarov which doesn't have the largest selection of ammo for defense, I've had no problem shooting Blazers and winchest WB or Super X in any of my pistols. They are definitely cheaper, and not as consistent or as accurate; but for the 20-30 foot distance that self defense is done at, I would have no problem using that if needed.
But again, I don't buy the "Over-penetration" paranoia. So I have no problem shooting 158 grain bullets out of my 357 magnum. I have no problem shooting 230 lead and SWC in my 45acp. I have no problem shooting flat nose in my 9mm's. One thing is for sure, I don't practice or plink with ANY ammo that I use for self defense. That is 100% a waste of money. I MIGHT, if I feel froggy, shoot 1 magazine in a year of my defense ammo. The 115 grain FMJ 9mm and 115 hp 9mm at 20-30 feet away, are not going to shoot much differently. Why waste money shooting Hollow point. Same with my 230 grain 45's. The only one I practice with hollow points, because the price is almost identical to FMJ, is my CZ-82 9mm makarov with silver bear hp. Other than that, once you know a certain ammo works good in your gun, it's a waste of money to practice with it. And your ammo isn't going to get Old or Stale, so you don't have to "rotate" you ammo. Not unless it gets wet a lot.