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I looked at a fired Federal - the hull with the rolled paper basewad - and a fired Remington - the game load. black hull. The primers look about like the ones in the picture, the Fereral with a deep strike, the Remington shallow. In unfired examples, the primers are seated to the same depth - flush.
The fired Federal primer had backed out a bit, the Remington didn't. I'm guessing the Federal had the Federal 209A primer, very hot. Saves a bit on powder.
Then I measured the rims. The Remington measured .062" where the radius from hull to rim starts. Good, sharp radius. The Federal measures .075", with a large radius. Then I measured a Winchester AA CF shell, .064". The Federal rim is holding the shell farther back in the chamber, thus a deeper strike. Hold your two shells rim to rim and look at them. The difference is very evident.
I can't find my dimensional drawings right now to see what the spec is, see what's "right" and what isn't.
DC
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