Incipient Case Head Failure

Complications of Cartridge Case Life - Shooting Times

Strange Case Failure -The Firearm Blog

Mechanisms of rock slope failures triggered by the 2016 Mw 7.8 Kaikōura earthquake and implications for landslide susceptibility - ScienceDirect

That Bright Ring – Incipient Head Separation

ruger american 223/5.56

Cause of case head separation

Incipient Case Head Failure

AK74 extraction failures. Louisiana Gun Classifieds

Impending case head seperation?

So any of our members here have an interest in firearms?

Am I looking at incipient case head separation ?