Gunner wrote:

On 28 May 2006 12:10:04 -0700, "FED UP" wrote:

"Hot gases are contained by the cartridge case in the chamber.

Gunner....at first the gases blow out that area directly at the top of
the brass.

Blink blink...are you refering to the throat? Any round that makes
12,000 psi or more is going to give you good case obituration (case
expands to fill the chamber).
....

That obituration should instead be obturation.
-jiw