Originally Posted by El Negro

Shitty ammunition causes the issue in Glocks and .45ACP 1911 because of the use of unsupported chambers.

Now, since a VAST majority of super .38 shooters reload, you'll see that it happens more frequently with them.

Again, the issue you're bringing up is not particular to Glocks, nor is it even prevalent in Glocks.

It's like trying to say that a particular make of car is shitty because it doesn't run well when you put water in the gas tank.