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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Stability Formula for Aluminum Tipped Bullets (Spreadsheet linked)
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<blockquote data-quote="trickytune" data-source="post: 994873" data-attributes="member: 69289"><p>Michael Courtney this is a very interesting spreadsheet thank you. But I am going to question it. I am looking at buying a bolt action 223 to run Berger 75g, Amax 75g, Nosler CC 77g. All of which in other calculators require a 1:8 twist. But with this it looks like I can get away with a 1:9" which opens up my choices a whole lot. I want to try and stay close to the 1.5 Sg to get full bc as well as pointed out by Brian Litz. Are you confident that this is accurate enough to buy a rifle on? Im buying the rifle to suit the ammo so it has to work 100% or its down the road and buy another. Im thinking Savage 1:9" rather than Tikka 1:8" now.</p><p></p><p>TIA</p></blockquote><p></p>
[QUOTE="trickytune, post: 994873, member: 69289"] Michael Courtney this is a very interesting spreadsheet thank you. But I am going to question it. I am looking at buying a bolt action 223 to run Berger 75g, Amax 75g, Nosler CC 77g. All of which in other calculators require a 1:8 twist. But with this it looks like I can get away with a 1:9" which opens up my choices a whole lot. I want to try and stay close to the 1.5 Sg to get full bc as well as pointed out by Brian Litz. Are you confident that this is accurate enough to buy a rifle on? Im buying the rifle to suit the ammo so it has to work 100% or its down the road and buy another. Im thinking Savage 1:9" rather than Tikka 1:8" now. TIA [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Stability Formula for Aluminum Tipped Bullets (Spreadsheet linked)
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