International Clays data...


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Galil5.56
February 3, 2008, 10:42 AM
I know years ago folks had asked Hodgdon about its use in handguns, and were told that they did not find it suitable in that application because it was "peaky". Later then, we got some ADI/Hodgdon generated Cowboy loads for this propellant, and that is all I can find.

Anyone have any published 45 auto and 9mm data for International Clays that may have been recently released? I have been using a very light charge I worked up using an Aussie IPSC recommendation with a 200 LSWC, and it works quite well, and very clean, but am interested in loads more along the lines of std service loads in the 45 and 9mm.

IMO, this propellant would be fantastic in moderate 9mm and 45 auto loads by virtue of its burning rate and bulk density. It has fairly large flakes, but also mixed in are longish flat strands that may hinder accurate small volumetric metering, and perhaps this is why data with small charges were not developed?

The stuff works great in Hi-Vel 12 gauge 1 1/8 loads, and would like to use my 4 lb jug of it in metallic applications.

Thanks.

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chbrow10
February 3, 2008, 11:44 AM
Is "International Clays" different from regular "Clays"? If not, then yes, there is load data from Hodgdon on thier website. I am looking at my bottle and it clearly has 45 ACP listed.

Galil5.56
February 3, 2008, 12:06 PM
Yes, it is different like all the rest of the "XXXXXX Clays" variants. Burning rate is Green dot-ish, slower than "Clays", faster than "Universal Clays" and the powder is known as AS50N when sold in ADI packaging.

rcmodel
February 3, 2008, 12:50 PM
I have looked through every reloading manual I own and find nothing listed for International Clays except the Cowboy loads from Hodgdon.

If they show light Cowboy loads, but not full power service loads, I would imagine it is not a good choice for full power service loads.

Pretty sure Hodgdon knows what they are talking about.

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rcmodel

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