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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
7mm Remington Mag OR 7mm LRM?
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<blockquote data-quote="MudRunner2005" data-source="post: 1060264" data-attributes="member: 12995"><p>I'm not saying either caliber is better. But I am curious to know how is the 7LRM a better LR round, when the ballistics are pretty spot-on with a 7mmRM, shooting a Berger 180? The chart shows the 7 Dakota (which you said was similar to 7LRM) pushes a 168 at 3,200....I can push them that fast out of my 26" 7RM, and easily out of a 28" 7RM. I'm already at 3,115 and have no pressure signs at all in a 26" barrel.</p><p> </p><p>The 7mm vs .30 debate could rage-on... However, the fact is, they are both pretty equal. The 7mm will be lighter, flatter, and faster. But the heavier .30 cal bullets will retain more energy, but are slower out of the chute (when you compare similar case size and similar weight-for-caliber bullets).</p><p> </p><p>I think when it comes down to personal preference with the 7mm and .30 cal.</p><p> </p><p>This independent test article sure seems to show the 7mm Dakota and .300 Dakota as being about on par with what a 7mmRM and .300 WinMag can average velocity-wise with comparable bullets. I would just assume buy a 7mmRM or .300WM that I can find brass and ammo for on every corner.</p><p> </p><p><a href="http://www.ballisticstudies.com/Knowledgebase/Dakota+proprietary+cartridges.html" target="_blank">Dakota proprietary cartridges</a></p></blockquote><p></p>
[QUOTE="MudRunner2005, post: 1060264, member: 12995"] I'm not saying either caliber is better. But I am curious to know how is the 7LRM a better LR round, when the ballistics are pretty spot-on with a 7mmRM, shooting a Berger 180? The chart shows the 7 Dakota (which you said was similar to 7LRM) pushes a 168 at 3,200....I can push them that fast out of my 26" 7RM, and easily out of a 28" 7RM. I'm already at 3,115 and have no pressure signs at all in a 26" barrel. The 7mm vs .30 debate could rage-on... However, the fact is, they are both pretty equal. The 7mm will be lighter, flatter, and faster. But the heavier .30 cal bullets will retain more energy, but are slower out of the chute (when you compare similar case size and similar weight-for-caliber bullets). I think when it comes down to personal preference with the 7mm and .30 cal. This independent test article sure seems to show the 7mm Dakota and .300 Dakota as being about on par with what a 7mmRM and .300 WinMag can average velocity-wise with comparable bullets. I would just assume buy a 7mmRM or .300WM that I can find brass and ammo for on every corner. [URL="http://www.ballisticstudies.com/Knowledgebase/Dakota+proprietary+cartridges.html"]Dakota proprietary cartridges[/URL] [/QUOTE]
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Rifles, Bullets, Barrels & Ballistics
7mm Remington Mag OR 7mm LRM?
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