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Old April 24, 2013, 08:25 PM   #10
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Join Date: July 26, 2005
Location: The Bluegrass
Posts: 8,388
I've shot some of Underwood's 180 gr. TMJ and 180 gr. Speer hollow points, from a Dan Wesson PM-7 (1911). I haven't noticed any over pressure signs.

Keep in mind that the reloading manuals probably take into consideration that there are some 10mm guns without a ramped barrel. Underwood warns their loads should not be used in these pistols (like the Colt Delta Elite).
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