Forum: 300 Whisper Ammo and Reloading
10-03-2010, 10:36 PM
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Replies: 3
Views: 1,303
Anyone tried H4198 or H322?
I'm looking for a slower powder to solve a short stroking issue. I haven't been able to get any AA1680, but looking at the burn charts H4198 and H322are close to a # of powders that are on published...
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