I was finally able to put the Huben to field use.
My son and I went out Easter day to look for those
pesky wabbits. I had loaded the Huben with 34 gr JSB
.22. I've had it jam in the past with them but I thought
it was done doing that. I opened a new tin to keep the magazine
full and it jammed again. Going back to H&N 21 gr. Never have
had an issue with those. Before it quit I did get a nice sized
jack rabbit. First shot dropped it. Never needed the semi feature