Looks like a BalVar 4.That would make it variable 2 1/2 to 4x. Great scope.Had one with Post reticle on a Mod 70 that I should have kept. Have a BalVar 8 1 1/2 to 8X on a 99 250-3000.The mounts used with it are Leupold adjusto mounts.Very clean set up.
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There`s not too many problems a man can`t fix with a few hundred dollars and a 30-06.