Forum: 300 Whisper Ammo and Reloading
07-10-2005, 10:02 PM
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Replies: 1
Views: 1,644
Loads for 10" AR15
I'm having trouble with H110.
Here at 4000 feet elevation, the speed of sound is about 1150 fps on a summer day. I'm trying to work up a subsonic load for my 10" AR15.
10 grains of H110...
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