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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
375/408 Banded Solids Test
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<blockquote data-quote="Black Diamond 408" data-source="post: 360461" data-attributes="member: 1563"><p>Kelly,</p><p> If your going to go into the very high BC bullets you need to look into a Bartlein gain twist</p><p>barrel. My personal rifle has a 16 start twist and ends up at 7.75 at the muzzle. This was </p><p>made for Noels mid range bullets and other high BC jacketed types. It shoots the SMK rather </p><p>well. I will be testing numerous bullet types, although it prolly will not be fast enough for the</p><p>extreme bullets. </p><p></p><p>I have one for a customer i am building that has the same twist as Noels test barrels. I think they were 12 start to around 6 ish ending twist. By starting the bullet out with a slow twist you wont strip off the driving bands like a standard 7 twist could if not careful.</p><p></p><p>Dave</p></blockquote><p></p>
[QUOTE="Black Diamond 408, post: 360461, member: 1563"] Kelly, If your going to go into the very high BC bullets you need to look into a Bartlein gain twist barrel. My personal rifle has a 16 start twist and ends up at 7.75 at the muzzle. This was made for Noels mid range bullets and other high BC jacketed types. It shoots the SMK rather well. I will be testing numerous bullet types, although it prolly will not be fast enough for the extreme bullets. I have one for a customer i am building that has the same twist as Noels test barrels. I think they were 12 start to around 6 ish ending twist. By starting the bullet out with a slow twist you wont strip off the driving bands like a standard 7 twist could if not careful. Dave [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
375/408 Banded Solids Test
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