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.308 How to get 178 gr faster?
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November 3, 2011, 04:28 PM
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Jim Watson
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Join Date: October 25, 2001
Location: Alabama
Posts: 18,483
Lyman has load data for the 178 Amax up to 42 gr IMR 4895 = 2600 fps just as an example with a common powder. But that is 60,400 psi, too.
Do you want to hammer your M1A that hard?
Jim Watson
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