Twist rate for 150 gr 6.5mm?

[Carter_man]

I want to shoot heavier bullets out of my 6.5 creed. Maybe anywhere from 147 gr to 156 gr bullets. what twist rate would you all suggest. Its going to be a 26in barrel.

 

[arawls88]

Check out Berger's website for the calculator. Here's the link

Berger twist calculator

 

[jebel]

1:7.5 if you're sticking with cup & lead core bullets. 1:6.5 or faster if you'll be shooting monos.