Quote:
Originally Posted by Traveller11
How does that explain the bulged base of the casing?
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Squib.
Creates high pressure.
But truely I do not know because I have not had a similar failure.
Just speculating.
This just came to mind because I was talking to a guy that had a squib in a 223 from the primer not igniting the powder but lodged the bullet to the lands. I’m sure if the powder would have ignited there would have been some access pressure kind of the same as an under filled rifle case.
What is thought to happen with slow propellants and lots of void space within the cartridge is that they burn slowly, create vapor, and then eventually the vapor doesn’t ignite, but detonates.
KABOOM!