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Hunting
Long Range Hunting & Shooting
270 WSM rebarreled to something more efficient?
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<blockquote data-quote="AFraser" data-source="post: 1689906" data-attributes="member: 45498"><p>Sorry - you're right. The 7mm 270WSM is definitely a reloading cartridge - but a simple one (just expand the neck to 7mm).</p><p>The issue with the 7mm WSM case is that Winchester lengthened the body (1.70") compared to the 300WSM & 270WSM (1.66"), but kept the case length (2.10") & COAL (2.86") the same, so it's not great for long high BC bullets within magazine length.</p><p></p><p>I suspect that for loaded ammunition a new 270WSM with the optimum barrel twist and throat length would be his best bet. 270 bullet options are getting better every year.</p></blockquote><p></p>
[QUOTE="AFraser, post: 1689906, member: 45498"] Sorry - you're right. The 7mm 270WSM is definitely a reloading cartridge - but a simple one (just expand the neck to 7mm). The issue with the 7mm WSM case is that Winchester lengthened the body (1.70") compared to the 300WSM & 270WSM (1.66"), but kept the case length (2.10") & COAL (2.86") the same, so it's not great for long high BC bullets within magazine length. I suspect that for loaded ammunition a new 270WSM with the optimum barrel twist and throat length would be his best bet. 270 bullet options are getting better every year. [/QUOTE]
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270 WSM rebarreled to something more efficient?
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