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Old August 21, 2013, 07:35 AM   #10
Real Gun
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Join Date: May 19, 2004
Location: SC
Posts: 2,743
Quote:
Now here is another point of info for you all. My friend has a old bottle of IMR 4227, he says it is a round ball powder. My bottle of IMR 4227 is new and made in Austraila. It looks like very very short cut extruded stick powder. I believe they changed it to what H4227 was. Is this right?
That is my understanding, and the whole story can be found in a search on "H4227 powder". Use H4227 loads with caution, working up from the (published) low end as per SOP. Use IMR 4227 according to Hodgdon's published loads for that product ID. Older IMR4227 is the discontinued stuff.

Australia is the secondary source for current IMR 4227, same formula.
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