Forum: 300 Whisper Ammo and Reloading
12-21-2010, 11:28 AM
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Replies: 20
Views: 4,254
Comparing 300 Whisper and 300 BLACKOUT chamber...
Comparing 300 Whisper and 300 BLACKOUT chamber reamer prints I see the following differences:
Throat (lead) is .001" larger on the BLACKOUT
Throat is .0235" longer on the BLACKOUT
Breachface to...
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