Quote Originally Posted by J.Baker View Post
Twist rate is 1-9".

Can't say what model it is with the limited info you provided, but never seen a Model 11 with a heavy barrel, only 10's and 12's. Could be an odd-ball special run gun though so who knows.

The barrel is 3/4" at the muzzle. To me that is a heavy barrel, as most hunting rifles are less than that.