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Hunting
Long Range Hunting & Shooting
9 twist for Berger 7mm 180 hybrid?
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<blockquote data-quote="brentc" data-source="post: 1263862" data-attributes="member: 16938"><p>A 9 twist works fine for the 180 Hybrids. Just like a 10 twist works fine for 215s in .308 Cal and yes, the accuracy is fantastic around 3000-3100 fps. If you can't get them to shoot, try a seating depth test at .040, .050, and .060 off the lands then fine tune your powder charge. .050" +/- .005" jump works very well for several of the rifles I've converted to hybrids. I highly doubt you would notice any twist related improvement by changing to an 8 twist. An individual barrel may shoot tighter, however it likely won't be because of the twist rate.</p></blockquote><p></p>
[QUOTE="brentc, post: 1263862, member: 16938"] A 9 twist works fine for the 180 Hybrids. Just like a 10 twist works fine for 215s in .308 Cal and yes, the accuracy is fantastic around 3000-3100 fps. If you can't get them to shoot, try a seating depth test at .040, .050, and .060 off the lands then fine tune your powder charge. .050" +/- .005" jump works very well for several of the rifles I've converted to hybrids. I highly doubt you would notice any twist related improvement by changing to an 8 twist. An individual barrel may shoot tighter, however it likely won't be because of the twist rate. [/QUOTE]
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9 twist for Berger 7mm 180 hybrid?
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