I am on a church safety team. Thought I would pick up some Glaser annoying. Apparently no longer exists. Any suggestions for a round that won’t overpenetrate in 45 acp or 9 mm?

Personally I wouldn’t use glaciers or the like. I understand the desire to not over penetrate but if there is an armed attacker actively shooting I would be just as concerned with under penetration. Look at Miami. Even the FFDOs anc Federal Air Marshals carry or carried 155 or 165 gr Gold Dots in their 40 S&Ws for years. Not sure what they are carrying with the flight back to the 9mm.

For minimal penetration in a 9mm something like the old +P+ federal 115gr Stops pretty quickly once it starts expanding. My favorite 9mm ammo is the 124gr +P Gold Dot and the +P 124gr HST.

I've listed the link here many times. you cannot miss. A stray round, no matter WHAT the bullet design is more likely than a magic bullet. But they make a 77 all copper HP in 9mm

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Of the Troops & For the Troops

I know I may not be able to shoot or may have to go for an oddball shot like to the knee - anything to put them down with what shot I am presented. Hope I never have to find out. I just have conventional Remington HTP HPs in 45 and classic 9 mm Federal. Looking to upgrade a bit.

https://www.gunsamerica.com/digest/ammo-test-liberty-ammunition-civil-defense-9mm-45-acp/

https://youtu.be/N8juazRczEE

Try Federal HST or Hydra-Shok, for both 9mm and .45.
You should do fine with either if the need ever arises.

Federal HST or Speer Gold Dot. Both have proven track records of putting down bad guys. I carry both in 9mm and .45ACP.