1-8 or 1-12
1/14 IIRC. Have it verified by a gunsmith
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.
Standard factory 222 Remington ADL has a 1/14 twist rate.
1-12 twist rate
1/10
Odds are 1 in 8
The rate of twist for a Remington 788 in .243cal is 1 in 9 which is one complete turn of the bullet in nine inches
1/12 or 1/14.
1- 12 twist
Contact Remington's customer service.
1 in 12