I would seriously consider a single stack 9mm such as a S&W 3913. I have the 3953 that I purchased from a member here and have yet to have a problem of any kind with it. It is my summer carry most of the time along with a 2nd gen G19. I have out standard pressure ammo and +p through it and it just chugs along happily. The 3953 along with a quality belt and extra mags is a very nice combo.