GETTING MY GLOCK 19 GEN 5 9MM TO WORK

They requested what the very small gun with the giant bark was so I confirmed it to them. I requested whenever they planned to shoot it and they all said "no way" lol. Honesty it isn't that terrible but it's tiny dimensions looks like it would be much worse in .357 mag. I have never experimented with any heavier masses in it mainly because it would