It will vary with caliber.
1 in 16"
The Remington Model 66 is chambered for the .22 long rifle cartridge. The most common twist rate for the .22 long rifle is one full turn in sixteen inches (1:16).
6mm Remington twist rate is 1 in 9, 244 Remington twist rate is 1 in 12. The 1 in 12 twist will not stabilize long 100 grain bullets while the 1 in 9 twist will.When the the caliber .224 Remington's name was changed to 6mm Remington, the twist rate was changed.
1:16
The standard rate of twist for a .22LR firearm is 1 turn in 16 inches. I don't know why a Remington 541 target rifle would be any different than 1:16
Them twist rate of a Winchester model 70 rifle in .223 Rem.is 1"in 9".
1:12
The Remington 7600 typically features a barrel twist rate of 1:10 inches for its .30-06 and .308 caliber models, which is designed to stabilize the bullet for accurate shooting. This twist rate allows for optimal performance with a variety of bullet weights commonly used in these calibers. However, it's important to check the specific model and caliber, as variations may exist. Overall, the twist rate contributes significantly to the rifle's accuracy and effectiveness.
The twist rate is 14"
TRY THE WIN COLLECTORS SITE
Your Winchester model 70 bolt action rifle that is chambered in .300 Win Mag,has a twist rate of 1 in 10.
Standard factory 222 Remington ADL has a 1/14 twist rate.