Them twist rate of a Winchester model 70 rifle in .223 Rem.is 1"in 9".
The twist rate in a Winchester 670, 243 caliber is 1:10.
twist is 1:9
9.5
1 in 9"
The answer to this q? is 1-9"
1 in 10
The answer is 1:10
1/10
1-12"
Your rifles twist rate is one turn in 9inches/1 in 9.this is for a 223 cal
Your Winchester model 70 bolt action rifle that is chambered in .300 Win Mag,has a twist rate of 1 in 10.