Best weapon for Concealed Carry advise

Have you ever had your P89 not completely eject the casing and jam it. This one would do that every 20 or 25 shots. Local Gun Shop sent it back to the Factory and they sent it back saying they shot 50 rounds without a problem. They indicated maybe bad Ammo. Took it home and put it away and haven't shot it since. Probably should try some different Ammo and see what happens.
9 out of 10 times that is a "limp wrist" issue

just not holding the gun tight enough allowing it to jerk a little