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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
7-300 WSM Q's & Hyperbole
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<blockquote data-quote="7.62 Gunner" data-source="post: 2519102" data-attributes="member: 121641"><p>I recently built a 7-300 wsm with a 45 degree improved shoulder.</p><p>Necking down from 30 cal to .284 actually lengthens the neck slightly, while necking up shortens it a tiny bit. You will have to run an expander mandrel into the neck and turn it to remove the thicker material near the shoulder junction</p><p></p><p>I wouldn't want to shorten the shoulder at all, if you want a simple wildcat keep the parent case specs and simply neck down with a FL 300 wsm bushing die.</p><p>Honestly though if you're not improving the shoulder I would stay with a straight 7 wsm, it's fast and extremely accurate as is.</p></blockquote><p></p>
[QUOTE="7.62 Gunner, post: 2519102, member: 121641"] I recently built a 7-300 wsm with a 45 degree improved shoulder. Necking down from 30 cal to .284 actually lengthens the neck slightly, while necking up shortens it a tiny bit. You will have to run an expander mandrel into the neck and turn it to remove the thicker material near the shoulder junction I wouldn't want to shorten the shoulder at all, if you want a simple wildcat keep the parent case specs and simply neck down with a FL 300 wsm bushing die. Honestly though if you're not improving the shoulder I would stay with a straight 7 wsm, it's fast and extremely accurate as is. [/QUOTE]
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7-300 WSM Q's & Hyperbole
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