What loads are you shooting? I have shot high brass bird shot and all the buckshot you want out of my gun(M2000 as well) and 4 or 5 at a time and havent had a issue yet, knock on wood. From what i was told from a gentleman at bass pro, if you have any issues with the Stoeger, you can call stoeger and send it in for repairs. I think i heard there is a lifetime warranty on these guns? If not please correct me, i honestly dont know about the warranty. But i'd definitely call stoeger about it. Let us know what happened and the fix.
Good luck