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Joined: Apr 2012
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Campfire Regular
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Joined: Apr 2012
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Would a 1-9.5 twist barrel in a 7mm mag stabilize a 195 gr Berger bullet?
I’m picking up a bergera hmr 7mag and would like to try these but not certain if the twist rate is fast enough.
Anyone tried this?
Last edited by Dan700mn; 01/08/21.
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Joined: Mar 2006
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Campfire Outfitter
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Campfire Outfitter
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Depending on the atmospheric conditions, barely. Input your specifics here to find out for yourself: https://bergerbullets.com/twist-rate-calculator/
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Joined: May 2009
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Campfire Ranger
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Campfire Ranger
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The 180 would be a better fit
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Joined: Jul 2013
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Campfire Outfitter
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Campfire Outfitter
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The 180 would be a better fit Agreed. There are better twist rates for the 195, and better bullets for the 1:9.5 7mag. You'd have a tough time making them worth your while, as you'll lose a significant amount of BC due to marginal stability as the calculator that Jordan posted will show.
I belong on eroding granite, among the pines.
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Ok, I was kind of afraid of that. I do have 180s that I was using before I switched to the 168s in my other 7mag.
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