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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Can a 1-10" twist barrel in .224 cal stabilize the Amax 75 grn?
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<blockquote data-quote="Guest" data-source="post: 59312"><p><strong>Re: Can a 1-10\" twist barrel in .224 cal stabilize the Amax 75 grn?</strong></p><p></p><p>I have been doing research into building a 22/6mm for about 12 months and am currently finalising on the reamer specs.</p><p>I expect 75 gr AMax to run about 3700 - 3800 fps with 27" barrel.</p><p>Twist required with these velocities for 75 AMax is 1/9 from all reports. 80gr SMK also will be trialled which really need a 1/8 so I split the difference 1/8.5 twist.</p><p></p><p>At the velocities a 223 WSSM will reach [slower]compared to the 22/6mm and 75 AMax I suggest you need at least 1/8.</p><p></p><p>APB</p></blockquote><p></p>
[QUOTE="Guest, post: 59312"] [b]Re: Can a 1-10\" twist barrel in .224 cal stabilize the Amax 75 grn?[/b] I have been doing research into building a 22/6mm for about 12 months and am currently finalising on the reamer specs. I expect 75 gr AMax to run about 3700 - 3800 fps with 27" barrel. Twist required with these velocities for 75 AMax is 1/9 from all reports. 80gr SMK also will be trialled which really need a 1/8 so I split the difference 1/8.5 twist. At the velocities a 223 WSSM will reach [slower]compared to the 22/6mm and 75 AMax I suggest you need at least 1/8. APB [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Can a 1-10" twist barrel in .224 cal stabilize the Amax 75 grn?
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