Any firearm is a piece of machinery and any machine is subject to breakage or malfunction, even Glocks. I don't consider any firearm 100% reliable and I generally don't consider a firearm broken in until 500-1000 rounds.
"It's a gun you loaded on Sunday, and shot all week."
"If God didn't create man equal then Sam Colt had made them equal."
"Fast is fine, but accuracy is everything."