Information about two powders !!!!

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alca
March 21, 2012, 10:49 AM
Does the powder 231 and hp-38 are the same? Some shooters told me yes.
Thank you !
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RhinoDefense
March 21, 2012, 10:59 AM
Yes, they are known as SMP #231 and are the same exact powder. They are made in Florida by St Marks Powder Company (SMP), a former division of Olin Corporation.
bds
March 21, 2012, 11:03 AM
And HP-38 is often cheaper than W231 and usually in stock than the popular W231. ;)
capreppy
March 21, 2012, 11:59 AM
HP-38 and W231 are exactly the same. I've shot both (bought the W231 when HP-38 wasn't available). HP-38 at Powder Valley is always cheaper than W231 (also true of just about any Hodgdon relabel of Winchester powders).
mbopp
March 21, 2012, 02:47 PM
Look on some containers - W231 and HP38 may even have the same lot numbers.
TonyT
March 21, 2012, 05:16 PM
The published reloading data for the two powders is identical.
Cfish
March 21, 2012, 05:43 PM
I have a bottle of each with the same lot # !
glockster157
March 21, 2012, 05:53 PM
Just an FYI, H110 and WW 296 are the same powder as is H414 and W760. Called Hogdon and verified plus all there online data is identical.
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