Bulged shells on brass face after firing??

Bulged shells on brass face after firing??

FAQ - 10 (Case Bulge)

How useful are markings left on shell casings by the extractor and ejector, in narrowing down or identifying the firearm? - Quora

New to Reloading. Doing Case Prep. Noticed a ring/bulge on head of once- fired factory cases, from a new rifle. Should I be concerned? : r/reloading

Why is my factory 357 bulging?

Problems with Primers An Official Journal Of The NRA

Fireforming. You only get one chance to make good brass.

How Good a Match is It? Putting Statistics into Forensic Firearms Identification

What's causing this - brass bulge near base

Bulged shells on brass face after firing??, Page 2

Excessive Burn on Brass

2004: City on fire - Bulletin of the Atomic Scientists