Im noticing a trend in this thread.

Some people consider User "caused" errors, gun malfs.

Not seating a mag, improper lubrication, riding the slide, improper grip, etc. is no different than misaligning the sights. That may or may not be true of ammo too.

Hmm

User Error 80%
Gun Malfs 20%

:D

(tip of the week)
Speaking of not seating a mag properly.
If you do Dryfire type reloads, use a FULL mag (dummies or whatever) using a partial mag is a good way to learn how to NOT seat a full one.

Larry P