Love my little plinker to death, but it's causing a bit of a headache.. It's always run fine until a couple weekends ago. I've only ever run Federal Lightning through it (except the occasional Rem Yellow Jacket when grounhogs are present ) and it's never really had any issues. I let my girlfriend fire it, and it's suddenly FTF after FTE. I cleared it, checked for anything unusual, and dumped the mag without issue. Reload, double tap, and it's good. Hand it back to her, -pop- stovepipe... I figured she was just limp-wristing it, but now it's pulling this crap with me. Somehow, I can mag-dump ju