Should have a 1 in 10 twist. If it has 5R rifling (a few Savage .308's do) then it'll be 1 in 11.25" twist. 5R rifling has rounded 'corners' on the lands. I don't think I've seen a 5R rifling equipped Savage .308 with a barrel shorter than 24", so your rifle most likely has a 1-10 twist. Your rifle should be fine with 130-200gr bullets. The 1-11.25 twist (which the 5R rifled barrels have) is fine for 180gr and lighter bullets.
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