Every gun at some point and time is going to have failures.
I don't care what anyone says about this brand never jams etc etc.
It's mechanical, something is going to give at some point. I've seen just as many Infinitys, Akais, Atlas jam as CK, LimCat, STI, etc.
Every company will say their gun is the best and the most custom blah blah blah.
Like others have said. Pick the company that you like best and or that gives you the time of day to talk to you over someone else that might not.