Twist Rate?

NorTex250

Private
Full Member
Minuteman
Jul 8, 2013
5
0
Texas
I have a model 700 sps varmint in .308 with the 26" barrel. I thought it had a 1 in 12 but I just read an article mentioning a 1 in 10. Can any of you help me figure out what I've got? Thanks in advance.