3 replies [Last post]
Joined: 12/25/2010
Posts: 7
twist in 7m08

looked at T/c hunter has 1:9 twist,T/c icon 1:12 . basic same guns,same cal 7m08. why the big difference in twist, I was told 1:9 for 140gr and smaller, 1:12 for 140gr plus. But if U look, every brand is 140 gr , give or take there is no varaty of different gr of bullet. So all help and wisdom needed, confused but not lost.thanks to all.

Tndeerhunter's picture
Grand Slam Challenge Winner!
Location: Tennessee
Joined: 04/13/2009
Posts: 1134
twist rate

Well, that certainly is a significant difference in ROT within one manufacture. I took a look at the T/C site and actually could not find the Icon listed in 7/08. I did see the Venture chambered in 7/08 and the claim of 1:9" twist rate.

I could not find any numbers for the rate in either the regular Encore or the Encore Pro Hunter. I certainly find it odd, as you do, when most all the commercial loads available for the 7/08 are in the 140gr range with only a couple 120s available and 1 each in 150 and 168gr, to have such a big difference within a single manufacturer.   Huh?


Joined: 12/25/2010
Posts: 7

tc venture 1:9/tc weather warrior 1:12, why is there difference in twist .::

bitmasher's picture
Location: Colorado
Joined: 02/27/2002
Posts: 2974
I have no idea why there is a

I have no idea why there is a difference, perhaps a typo.  Call T/C, they'll answer your questions.

You have it reversed, the faster the twist for heavier bullets, slower twist for smaller bullets.  While I don't know the precise recommendations for weight/twist in 7mm-08, it seems 1:9 would be for 140gr and heaver, 1:12 for less than 140gr.

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