turborsx Posted December 19, 2014 Report Share Posted December 19, 2014 Does anybody know if a 18" .308 polygonal 1:11 twist stabilize heavier grain projectiles? 150 grain and up. Quote Link to comment Share on other sites More sharing options...
washguy Posted December 19, 2014 Report Share Posted December 19, 2014 Turbo no problemo on 150/168 grain ammo :) Wash Quote Link to comment Share on other sites More sharing options...
edgecrusher Posted December 20, 2014 Report Share Posted December 20, 2014 Should be fine for 175's as well Quote Link to comment Share on other sites More sharing options...
StainTrain Posted December 22, 2014 Report Share Posted December 22, 2014 Does anybody know if a 18" .308 polygonal 1:11 twist stabilize heavier grain projectiles? 150 grain and up. I own a barrel like this and it will stabilize pretty much anything you can get commercially available that travels above the speed of sound. Quote Link to comment Share on other sites More sharing options...
Cali_Ed Posted January 7, 2015 Report Share Posted January 7, 2015 Does 11.25 make a diffrence compared to just 11? Quote Link to comment Share on other sites More sharing options...
Robocop1051 Posted January 7, 2015 Report Share Posted January 7, 2015 Only to the meticulous hand loader Quote Link to comment Share on other sites More sharing options...
survivalshop Posted January 7, 2015 Report Share Posted January 7, 2015 The twist rate may have the fractional part & they just don't publish it as a 11.25 , leaving the .25 out . <dontknow> Quote Link to comment Share on other sites More sharing options...
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