I bought used Witness 9mm at local Gunshow a few years ago.
This used gun function was terrible. Many many ejection troubles. 9 of 10 shots were jammed.
I think seller knew this problem but he didn't tell me anything
Ok,, I learned buying used gun is sometime risky.
Anyway, I contacted EAA, and shipped gun to them on Monday.
They replaced barrel and springs for FREE, then returned gun to me on Friday!
Gun function is now perfect. Very good and quick customer service.