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Discussion in 'General Rifle Discussion' started by grantharris1945, Sep 17, 2013.
I have both a 1:10 and 1:12, I can't say I pefer one over the other, what's your say?
My pref is for 1:12 they shoot 147-169 very well. 1:10 is more friendly with 160-220. I find 1:12 far more useful in 308 as the small case capacity really doesn't lend well to 170+ loadings.
I have a old 788 rem with a 1-10 twist barrel that seems to prefer longer 150 to 165gr bullets but 125gr NBTwill still shot moa too if I have a good day shooting . I have not shot any bullet over that weight .
I like the 1:11 twist on my 308 AIAW.
I use a 1-10 twist in all my 30 caliber rifles,the smallest bullet I shoot is a 155 grain.
I use a 1:11.2 in my .308. I prefer 180gr bullets and 1:11.2 seems about perfect for that. It's also does a good job with lighter bullets.
My 1:12 twist shoots 150gr and 180gr into 1/2", so anything up to 180gr I see no reason to use anything different.
my Marlin XS7VH in 308 has a 1:12 ratio. i shoot either 150-155 or 165-168 gr. bullets with good results.