I bought My M&Pc .40 a few months ago and the dealer tossed in a box of Wolf steel cased ammo in, What a deal. Don’t ever ever use this ammo. The first round fired fine, on the second the slide was sort of sloppy feeding the third round in (should have stopped then but no) the fourth round fired but didn’t eject and the empty case jammed in so bad the extractor wouldn’t hook on and remove it. I had to (very carefully) put a cleaning rod down the barrel and pop out the empty case. I stripped everything down and inspected the gun thoroughly and thankfully no damage. I have since put about 1000+ rounds of nice brass cased ammo of varying makers (Winchester, federal, etc.) with no issues at all. Sorry it took so long to post this I am new to this blog stuff. I was wondering has this happened to anyone else?