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Hunting
Long Range Hunting & Shooting
7MM STW VS 7MM ULTRA MAG
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<blockquote data-quote="Fiftydriver" data-source="post: 75144" data-attributes="member: 10"><p>The 7mm WSM is 0.030" longer in headspace then the 270 and 300 WSM. I guess its supposed to keep the 7mm WSM from chambering in a 270 WSM chamber. To bad the 270 WSM will easily chamber in a 7mm WSM rifle and be everybit as dangerous as the other senerio would be.</p><p></p><p>We designed the 7mm-270 WSM simply because my customer wanted to use the fine Norma brass which is only offered in 270 and 300 WSM. Instead of expanding the neck up to form a needed gas seal and then fireform, we just necked the standard 270 WSM up by 0.007" and the problem was solved, quality brass and identical performance.</p><p></p><p>Good SHooting!!</p><p></p><p>Kirby Allen(50)</p></blockquote><p></p>
[QUOTE="Fiftydriver, post: 75144, member: 10"] The 7mm WSM is 0.030" longer in headspace then the 270 and 300 WSM. I guess its supposed to keep the 7mm WSM from chambering in a 270 WSM chamber. To bad the 270 WSM will easily chamber in a 7mm WSM rifle and be everybit as dangerous as the other senerio would be. We designed the 7mm-270 WSM simply because my customer wanted to use the fine Norma brass which is only offered in 270 and 300 WSM. Instead of expanding the neck up to form a needed gas seal and then fireform, we just necked the standard 270 WSM up by 0.007" and the problem was solved, quality brass and identical performance. Good SHooting!! Kirby Allen(50) [/QUOTE]
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7MM STW VS 7MM ULTRA MAG
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