Quote Originally Posted by tammons View Post
Round back started in 2003 I think or there abouts. Before then the rear of the scope base mount area was flat.

Short action stagger feed 4.27
Short Action Centerfeed 4.4
Long action Sf and CF 5.062

The axis is different at 4.8
Not sure on the RUM lengths.
AWESOME, thanks a ton man! I have a Pre 03 then, the rear, top portion of the action, were the scope base is mounted is flat.
Thanks for the numbers as well. Your the man.