Them twist rate of a Winchester model 70 rifle in .223 Rem.is 1"in 9".
1- 12 twist
1 in 12
The Sako L461 Vixen in .223 caliber typically has a rate of twist of 1:12 inches. This means that the rifling makes one complete turn every 12 inches of barrel length. This twist rate is suitable for stabilizing lighter bullets commonly used in .223 cartridges.
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.
1:9
1-12"
Browning BlR
1:12 forsure
1/14 IIRC. Have it verified by a gunsmith