Thread: HS-7
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Old 03-28-2010, 06:53 PM
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ArchAngelCD ArchAngelCD is offline
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HS-7 is a bit slower than HS-6. I use a lot of HS-6 for .38 Special +P loads as well as in the .45 Colt and for some .357 Magnum ammo especially with lead bullets.

HS-7 is W571 so if you find data for W571 it can be used, unfortunately both are now out of production. HS-7's burn rate is close to that of Alliant Blue Dot. HS-7 is one of the best, if not the best powder for loading 10mm ammo. It also works very well for the .38 Super and can be used for the .357 Magnum, .44 Magnum and hot .45 Colt loads. There are probably other uses but those are the only ones I'm sure of... Hope this helps.
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