Forum: 300 Whisper Ammo and Reloading
10-25-2010, 11:10 PM
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Replies: 13
Views: 2,676
the fastest powder for a 300-221 fireball
In an AR, the fastest powder that will work in the AR platform has a burn rate in the 2400-AA#9 range. LilGun and N110 also will work well in sub-sonics.
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