Name for me a product that does not have reliability stories. I’ve got an SU-16B with close to 10,000 rounds through it so far without a hitch. Is it a battle-ready rifle? No, it overheats too quickly - it is just a 4.4 pound firearm. But if you keep your cyclic rate down it just goes and goes and goes without a problem. With a bit of work it could be a serious front-line firearm.
So name me a firearm that does not have horror stories about it.