My Generation 1 model 19 has been nothing but reliable thru many, many thousands of rounds. My Generation 2 model 26 as well, with less rounds total thru it. I have owned a fair number of semi-auto handguns in my life, and shot a lot more, and its is the rare pistol that does not experience a malfunction, even if only once in a "blue moon", if it is shot enough. Still waiting for it with those two...
Larry