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Old January 22, 2007, 09:14 AM   #1
ECLIPSE45ACP
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Join Date: January 9, 2007
Location: Omaha, NE
Posts: 177
45 acp case length

Hey guys ? on case length on a 45 acp. maximum is obviously .898,
what is th minimum length a case can be? I have found some that
are significantly shorter than that. Does anyone else find this odd?
I thought they lengthened when being shot?
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Old January 22, 2007, 09:28 AM   #2
singleshot
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Join Date: October 1, 1999
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According to the SAAMI drawing it is 0.898-0.878 but I've seen some even shorter.

The .45 ACP is a pretty low pressure cartridge so case length really doesn't change much.

It hardly ever makes any difference either.
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Old January 22, 2007, 09:33 AM   #3
ECLIPSE45ACP
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OK just want to follow all precautions to be sure. So .878-.898
is SAAMI specs?

thanks
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Old January 22, 2007, 10:57 AM   #4
Ausserordeutlich
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Join Date: May 27, 2006
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Every .45ACP case I ever used shrank. I reload them until the necks split; never a problem.
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