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22br with a 8 twist

May be building a 22br and I was thinking of going with a 8 twist to shoot 65 to 75 grain bullets. As far as barrel length, would going 22" or shorter be a mistake? Barrel is a #4 contour, hunting rifle- shooting. Also thinking of going with a no turn chamber.
 
I have a .22BR that is 22". Shoots anything from 40 V-max to 75 V-max with very good accuracy. Will do 2975fps. with 27.5gr. 8208. 3/8" or better groups. 40 V-max easily do 3750fps with no pressure issues. 8) Hope this helps. Paul.
 
No turn neck chamber, short throat, 8 twist? 8)
Shoot just about anything. ;D
And a 22" barrel makes a good pack length. FPS?
Who cares, as long as they're all going in the same hole. ;)
 

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