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190smk in 308?

 
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Old 11-01-2003, 11:48 PM
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Re: 190smk in 308?

Jeff in TX,

It sounds almost like you had 1 rifling slightly longer or shorter. A 12 twist isnt the best for the 190, but it will stabilize it. According to some new twist calcs, the 190 at 2600 is at 1.5 stability factor with an 11.25 twist. 12 I think is between there and 1.0 which is still acceptable. I have put these calcs to the test with hair splitting accuracy. 175's can be very accurate from a 12 twist, even 13 twists. If you still have that barrel, I would have it recrowned by a good smith.

[ 11-01-2003: Message edited by: meichele ]
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