Forum: 300 Whisper Ammo and Reloading
08-31-2009, 10:02 PM
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Replies: 10
Views: 2,171
case stretching and annealing
All brass is annealed from the factory. However with 300-221 brass made from 223 REM cases, trimming/cutting the case back to 1.35 inches removes the annealed part of the 223 REM case.
I shoot...
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