Being a Remington, it should be 1-10 if it is a factory barrel.
7mm-08 Remington - 1 in 9" . . .Thompson/Center Rifle
7mm-08 Remington - 1 in 9 1/2" Browning 81, BLR, A-Bolt II; Sako; Savage (present)
7mm-08 Remington - 1 in 10" . .Remington 7, 788, 700; Winchester 70; Savage 110