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Old January 26, 2020, 05:21 PM   #266
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Join Date: March 2, 2014
Posts: 7,447
It's not a mystery--SAAMI specs as submitted by winchester specify a max headspace of 1.720. If the top of your case head will not be supported by the chamber--you are tossing the dice.
Wow... I was hoping (though not really expecting) things would turn out different as I still like the idea of that cartridge.
I'm guessing this problem has already been accounted for by most gun manufacturers--but as with other intros there might still be some components out there that fall to the max end of specs.
If you’re ever hiking in the woods and you get lost, just look up and find the brightest star in the sky and you’ll know which way space is.
I am NOT an expert--I do not have any formal experience or certification in firearms use or testing; use any information I post at your own risk!
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