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Rifles, Reloading, Optics, Equipment
Reloading
7 WSM brass
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<blockquote data-quote="dwm" data-source="post: 968502" data-attributes="member: 1136"><p>According to the SAAMI specs, 270WSM and 300WSM brass are 1.664" base to shoulder and 2.1" long. 7WSM brass is 1.701" base to shoulder and 2.1" long.</p><p></p><p>I have fire-formed a bunch of 300WSM to 7WSM with great success. I used the 300WSM brass and only partially sized the neck leaving a false shoulder for the case to headspace on. One shot through the full length die and you are ready to shoot.</p><p></p><p>The only down side is your 7WSM brass now has a 300WSM headstamp.</p></blockquote><p></p>
[QUOTE="dwm, post: 968502, member: 1136"] According to the SAAMI specs, 270WSM and 300WSM brass are 1.664" base to shoulder and 2.1" long. 7WSM brass is 1.701" base to shoulder and 2.1" long. I have fire-formed a bunch of 300WSM to 7WSM with great success. I used the 300WSM brass and only partially sized the neck leaving a false shoulder for the case to headspace on. One shot through the full length die and you are ready to shoot. The only down side is your 7WSM brass now has a 300WSM headstamp. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
7 WSM brass
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