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Hunting
Long Range Hunting & Shooting
270 WSM
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<blockquote data-quote="sedancowboy" data-source="post: 1893067" data-attributes="member: 85874"><p>Most 270 WSMs are 1-10 twist so the 150s is the heaviest bullet you can run realistically. I would not attempt to build a 270 WSM for heavies on a Model 7. They are simply too short for good performance. You need at least 3.00 to run the heavies with a 1/8 twist and I use a action with a 3.125 box to run the Berger 170s at 3.120 which puts the boattail at the neck shoulder juncture. Getting 3050 fps with H1000.</p></blockquote><p></p>
[QUOTE="sedancowboy, post: 1893067, member: 85874"] Most 270 WSMs are 1-10 twist so the 150s is the heaviest bullet you can run realistically. I would not attempt to build a 270 WSM for heavies on a Model 7. They are simply too short for good performance. You need at least 3.00 to run the heavies with a 1/8 twist and I use a action with a 3.125 box to run the Berger 170s at 3.120 which puts the boattail at the neck shoulder juncture. Getting 3050 fps with H1000. [/QUOTE]
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