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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
How to build a 338 Norma
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<blockquote data-quote="bigngreen" data-source="post: 336276" data-attributes="member: 13632"><p>I think the only problem is going to a larger cartridge is the thrust on the bolt. The pressure isn't running higher than a RUM or WSM but that same pressure has more surface area to work on thus more thrust. Of the 338NM write up's I have read most have been built in shorter barrels and getting near 338LM results so in my mind <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite11" alt=":rolleyes:" title="Roll Eyes :rolleyes:" loading="lazy" data-shortname=":rolleyes:" /> the 338 LM and NM are ballistic twins only the NM will function better in a standard sized action because of lenght. </p><p>Hopefully some one will read this thread who can do the math on the bolt thrust of a 338LM vs. a 338RUM. I have seen it but can't recall the thread.</p></blockquote><p></p>
[QUOTE="bigngreen, post: 336276, member: 13632"] I think the only problem is going to a larger cartridge is the thrust on the bolt. The pressure isn't running higher than a RUM or WSM but that same pressure has more surface area to work on thus more thrust. Of the 338NM write up's I have read most have been built in shorter barrels and getting near 338LM results so in my mind :rolleyes: the 338 LM and NM are ballistic twins only the NM will function better in a standard sized action because of lenght. Hopefully some one will read this thread who can do the math on the bolt thrust of a 338LM vs. a 338RUM. I have seen it but can't recall the thread. [/QUOTE]
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How to build a 338 Norma
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