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Old February 23, 2013, 08:53 AM   #1
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10mm 165 grain bullets?

The same for .40 S&W?

I found some in stock but I am not sure if I can load them for my .40
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Old February 23, 2013, 09:15 AM   #2
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You should be able to use bullets interchangeably between .40 S&W and 10mm, because both are the same diameter.

At full powder levels, the 10mm cartridge will produce somewhat higher velocities. So, in theory at least, a bullet that was designed specifically for the 10mm cartridge might not expand as well at .40 S&W velocities, and a bullet designed specifically for .40 S&W velocities might expand too much at 10mm velocities.

But, I don't know of any bullets that were designed like that. And, it should not matter at the range, anyway.

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Old March 3, 2013, 07:40 PM   #3
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they will work
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Old March 3, 2013, 09:55 PM   #4
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yes they are the same. The difference between 10mm and .40 is the case size. Bullets are the same
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Old March 3, 2013, 10:00 PM   #5
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10mm and .40S&W use the same bullets but if your not really sure or just plain don't know then perhaps you should study up somemore before you start reloading.
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Old March 3, 2013, 10:24 PM   #6
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They will definitely work and the 165 gr. weight is a very good compromise for velocity/energy/momentum/penetration.
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