Hows Herco powder?

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Well,

I have my own impression about it now that I have shot it in the 9mm. It did burn off all the powder in the case at 4.0 grains. Not really a bad powder I would think.

The barrel was dirty but then again, Show me a powder that isn't gonna dirty a barrel. The pressure was low. Ill increase the charge by the next data and see where it goes from there.
 
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