Steyr H5 semi-auto barrel alignment

Ok so I have a Steyr Hunting 5 semi auto and removed the barrel for cleaning. I had no trouble re installing and aligning the barrel to the magazine. It functioned flawlessly. Now I have 8 mags. When I was out hunting, some mags stuck, some worked fine. By what I mean stuck, it just wouldn’t move to the next pellet. It wasn’t seized, I could move it along with my finger. I’m guessing some mags are slightly wider so my question would be this. While I know I can ID the larger ones and adjust the barrel to them. OR is it a weak spring that advances the mag and I should order a replacement. Have any other owners had this problem?