Oh how I wanted one of those to work and I'm sure some did but Murphy knows where I live.
What were the issues? Mine cycles fast and a good mag is a requirement.
It is gassed pretty heavy but that does not bother me if the mag is up to the task of getting the next round set for feeding. I will replace the bolt at 2000rnds. Like a pistol gased AR it just makes sense.
Sure would beat a silly bolt gun if a fellow was neck deep in a wuff pack.
Oh how I wanted one of those to work and I'm sure some did but Murphy knows where I live.
And if it is not reliable, it is not worth carrying.
Yet mine is very reliable.
And worth carrying to boot.