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Which BIG 7mm?
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<blockquote data-quote="MontanaRifleman" data-source="post: 256847" data-attributes="member: 11717"><p>Topshot, I have been thinking about this same question. </p><p> </p><p>I lean to the 7mm RUM or a 7mm-338 Lapua wildcat. </p><p> </p><p>The 7 RUM is the most potent legit (non-wildcat) load available. You can get the Sendero out of the box and they are supposed to be quite accurate that way. With a little fine tuning like a trigger, some skim bedding, custom dies, it could possibly match some customs in accuracy. After the barrel is burnt out, a custom could be fitted to it along with blueprinting the action, etc. The only available brass that I know of would be from remmington or getting some Nosler in 300 RUM and necking down. The Nosler would probably be better brass and costs about $56 per 50 I believe.</p><p> </p><p>With the 7mm-338 Lapua, the advantage here would be the availability of Lapua brass. I think it would have slightly less case capaciity than the RUM so probably a little less velocity, but more than the Dakota or STW. You could also work with your smith and modify/improve it slightly to boost the performance a little. I think this would be working in the direction of the 7 AM? The other advantage would be that this would be a custom or partial custom, depending on the components you use. I would think you would want to keep the reamer for custom dies and follow on barrrels. The disadvantage would be increased cost and waiting time.</p><p> </p><p>My $.02 <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite6" alt=":cool:" title="Cool :cool:" loading="lazy" data-shortname=":cool:" /></p></blockquote><p></p>
[QUOTE="MontanaRifleman, post: 256847, member: 11717"] Topshot, I have been thinking about this same question. I lean to the 7mm RUM or a 7mm-338 Lapua wildcat. The 7 RUM is the most potent legit (non-wildcat) load available. You can get the Sendero out of the box and they are supposed to be quite accurate that way. With a little fine tuning like a trigger, some skim bedding, custom dies, it could possibly match some customs in accuracy. After the barrel is burnt out, a custom could be fitted to it along with blueprinting the action, etc. The only available brass that I know of would be from remmington or getting some Nosler in 300 RUM and necking down. The Nosler would probably be better brass and costs about $56 per 50 I believe. With the 7mm-338 Lapua, the advantage here would be the availability of Lapua brass. I think it would have slightly less case capaciity than the RUM so probably a little less velocity, but more than the Dakota or STW. You could also work with your smith and modify/improve it slightly to boost the performance a little. I think this would be working in the direction of the 7 AM? The other advantage would be that this would be a custom or partial custom, depending on the components you use. I would think you would want to keep the reamer for custom dies and follow on barrrels. The disadvantage would be increased cost and waiting time. My $.02 :cool: [/QUOTE]
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