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Twist rate
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What would be the best twist rate for a 375 x 2 1/2" flanged Nitro Express? I have the choice of 8 or 12:1.

Roger
 
Posts: 723 | Location: Was NSW, now Tas Australia | Registered: 27 June 2009Reply With Quote
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12:1 is standard for the typical .375 bullet weights.
 
Posts: 58 | Location: west MN | Registered: 22 September 2010Reply With Quote
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I have always used a faster rate when ever I Had the choice.
 
Posts: 17091 | Location: wis | Registered: 21 April 2001Reply With Quote
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OK, What is the worst that can happen if I go to the 8:1?....I only intend using either 270 or 250 grainers.

Roger
 
Posts: 723 | Location: Was NSW, now Tas Australia | Registered: 27 June 2009Reply With Quote
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You may develop too much pressure. Every .375 out there,_9.5x56 mannlicher to the .375 Dakota spec's a 1:12 twist. Holland & Holland used a 1:16 twist on their .375 flanged magnum, I believe to keep the pressure down for double rifles. If you use the 1:8" barrel, let us know how it works out.
 
Posts: 58 | Location: west MN | Registered: 22 September 2010Reply With Quote
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