Them twist rate of a Winchester model 70 rifle in .223 Rem.is 1"in 9".
1- 12 twist
1 in 12
1 in 9"
Your rifles twist rate is one turn in 9inches/1 in 9.this is for a 223 cal
the rate of twist i probably 9" or 1 in 9" not to sure.
1-12"
1:9
Browning BlR
Need to know rate of twist and what you are going to use it for.
1:12 forsure
1/14 IIRC. Have it verified by a gunsmith