Looks like a case of "farmer tight" somewhere along the way and it just finally failed due to metal fatigue.
That's exactly what I thought when I read Okie's post. It's easy to get in the farmer-tight habit with Weaver's.
Obviously anything man-made can and will break, but I still think Weaver's are among the most stupid simple, robust rings out there. Kind of like marrying a Minnesota farm girl. She may not be glamorous, but is someone to build a long life with
