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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
7mm SAUM Wildcat!
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<blockquote data-quote="calinb" data-source="post: 644286" data-attributes="member: 31242"><p>I just ran QL for my 7mm-300 RCM. 26" vs. 28" inches:</p><p></p><p>48 fps. penalty or 65000 psi. vs. 61202 psi. for 2986 fps.</p><p></p><p>Given that the 180 Bergers are generally reported to shoot well around 2950 fps, I'd go for 26", if not for the big 195 Berger unknown! I'd hate to miss a 195 grain node by 50 fps with a 26" barrel.</p><p></p><p>lightbulbIf it turns out that I'm not pushing for a velocity sweet spot with the 195s, I can always shorten the barrel later, but I can't put the 2 inches back on. <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite2" alt=";)" title="Wink ;)" loading="lazy" data-shortname=";)" /></p><p></p><p>I agree that 26" is far better for hunting. I find that anything over 26" really becomes a PITA for carry in the woods, but I guess that's why I have my 20" 300 and 338 RCMs. <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile :)" loading="lazy" data-shortname=":)" /> I could end up carrying this new 7mm over steep and rocky terrain, however.</p><p></p><p>So I think I've just about got my dream specs worked out. <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite8" alt=":D" title="Big Grin :D" loading="lazy" data-shortname=":D" /></p><p></p><p>-Cal</p></blockquote><p></p>
[QUOTE="calinb, post: 644286, member: 31242"] I just ran QL for my 7mm-300 RCM. 26" vs. 28" inches: 48 fps. penalty or 65000 psi. vs. 61202 psi. for 2986 fps. Given that the 180 Bergers are generally reported to shoot well around 2950 fps, I'd go for 26", if not for the big 195 Berger unknown! I'd hate to miss a 195 grain node by 50 fps with a 26" barrel. lightbulbIf it turns out that I'm not pushing for a velocity sweet spot with the 195s, I can always shorten the barrel later, but I can't put the 2 inches back on. ;) I agree that 26" is far better for hunting. I find that anything over 26" really becomes a PITA for carry in the woods, but I guess that's why I have my 20" 300 and 338 RCMs. :) I could end up carrying this new 7mm over steep and rocky terrain, however. So I think I've just about got my dream specs worked out. :D -Cal [/QUOTE]
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7mm SAUM Wildcat!
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