SIG Demil. single time fired 9MM Brass splitting on almost every

Split brass damage?

Faint line on 9mm brass - 9mm/38 Caliber - Brian Enos's Forums

9mm 147gr FN FMJ Copper Bottom BLEMS - 500ct - American Reloading

9MM Split Shell Case

Out of battery or bad brass/bad load?

357 Sig Brass and Nickel, Once Fired, Mixed Head Stamps 300 Count

Stepped Brass - Internal step in 9mm Luger cases will break in

What was the most lethal infantry rifle ammunition used in WW 2

Angels Celestial, Warhammer 40,000 Homebrew Wiki