Thread: Optimum barrel length & twist rate for .510 Whisper?
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Old 11-17-2008, 08:00 PM
THE DOCTOR THE DOCTOR is offline
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Join Date: Jun 2007
Posts: 47
1/8 twist is optimal and 16-18 inches is adequate for stabilization

I make brass from 338 lapua if you need some

good luck with your project
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