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Hunting
Long Range Hunting & Shooting
Leaving a lot of the 22-250 on cutting room floor
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<blockquote data-quote="John Klingenberg" data-source="post: 1620963" data-attributes="member: 107749"><p>1 in 9 wont do it. For those long 22 cal bullets a 1 in 8 is minimum, its marginal for 90+ grain bullets. A 1 in 7 is better. If you you're stepping into 95 or 100 grains a 1 in 6.5 is way to go. I been working with a 224 Valkyrie with 1-8 and the 88gr ELD. It pretty good but I wish I'd gone to a 7 twist. Check the Berger stabilization app for the bullets you want to shoot before you buy. I promise you that a 1 in 9 will not deliver what you want. Maybe up to 69 grains or so but the military even tightened up to 7 and 8 twist for the 77 grain mk262 model 0. The difference in BC makes for long bullets and going from 77 to even 80 grains is pretty significant. When you start breaking into the 500s coefficient you'll be shocked. Pushing an 80 grain to 2700+ in a 5.56 makes for only 37 MOA at a grand. Your 22-250 could be a monster with a 6.5 or 7 twist.</p></blockquote><p></p>
[QUOTE="John Klingenberg, post: 1620963, member: 107749"] 1 in 9 wont do it. For those long 22 cal bullets a 1 in 8 is minimum, its marginal for 90+ grain bullets. A 1 in 7 is better. If you you're stepping into 95 or 100 grains a 1 in 6.5 is way to go. I been working with a 224 Valkyrie with 1-8 and the 88gr ELD. It pretty good but I wish I'd gone to a 7 twist. Check the Berger stabilization app for the bullets you want to shoot before you buy. I promise you that a 1 in 9 will not deliver what you want. Maybe up to 69 grains or so but the military even tightened up to 7 and 8 twist for the 77 grain mk262 model 0. The difference in BC makes for long bullets and going from 77 to even 80 grains is pretty significant. When you start breaking into the 500s coefficient you'll be shocked. Pushing an 80 grain to 2700+ in a 5.56 makes for only 37 MOA at a grand. Your 22-250 could be a monster with a 6.5 or 7 twist. [/QUOTE]
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Leaving a lot of the 22-250 on cutting room floor
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