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Rifles, Reloading, Optics, Equipment
Reloading
270 WSM Hornady brass issues
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<blockquote data-quote="JTB" data-source="post: 1449986" data-attributes="member: 97196"><p>Powders are much more prone for pressure spikes when temperatures approach 100 degrees. Accidentally leave them in the sun and expect trouble. </p><p></p><p>In my experience Retumbo has been the best all-around 270 WSM powder and it seems to be very easy on brass. Use it for 140gr through 170gr from a 27" 1:8 twist barrel. IMR4350 has been a reliable option in the past for me with 130/140gr from 24" barrel. I have been using Federal brass exclusively for the 270 WSM with very consistent results. Pushing the 170gr EOL with Retumbo at 3050 has had no issues with primer pocket expansion after 4 firings. I rotate brass firing in batches of 200</p></blockquote><p></p>
[QUOTE="JTB, post: 1449986, member: 97196"] Powders are much more prone for pressure spikes when temperatures approach 100 degrees. Accidentally leave them in the sun and expect trouble. In my experience Retumbo has been the best all-around 270 WSM powder and it seems to be very easy on brass. Use it for 140gr through 170gr from a 27” 1:8 twist barrel. IMR4350 has been a reliable option in the past for me with 130/140gr from 24” barrel. I have been using Federal brass exclusively for the 270 WSM with very consistent results. Pushing the 170gr EOL with Retumbo at 3050 has had no issues with primer pocket expansion after 4 firings. I rotate brass firing in batches of 200 [/QUOTE]
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Reloading
270 WSM Hornady brass issues
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