Markings on bottom of shell casing : r/MilitaryHistory

7.62×54mmR - Wikipedia

Can anyone identify this shell casing? (More info in comments) : r/TankPorn

military - Can anyone tell me anything about the markings on these shell casings? - History Stack Exchange

Can anyone tell me what the markings on the bottom of this shell

Can anyone identify this shell casing? (More info in comments) : r

Identify this shell casing? Found in parents house - clearly says 1942 - could anyone tell me what might have fired this. Thanks : r/ww2

I found a bunch of these weird cartridge cases at a military shooting range. The tip seems to be made of plastic but the bottom is brass. : r /whatisthisthing

Large calibre markings (The Western Front Museum)

Headstamp - Wikipedia

SHELL CASING MARKINGS - Arms and other weapons - The Great War

Large calibre markings (The Western Front Museum)

File:3inchCaseShotMkVDiagram.jpg - Wikipedia

7.5×55mm Swiss - Wikipedia

5.56×45mm NATO - Wikipedia