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AR15.COM
11/8/2012 1:42:57 PM EDT
I just wanted to be prepared when my mount comes in on Monday. I want to do this myself, so I was wanting to see what are some good methods for proper leveling?
11/8/2012 1:48:11 PM EDT
[#1]
Feeler gauge
11/8/2012 2:02:37 PM EDT
[#2]
I got pretty decent results out of this method:

Tighten a magazine block into a vise, then mount your rifle (complete) onto the mag block.  It helps to use a mag block that fits tightly in the mag well...

Use a $5-$10 T-level from Lowe's / Home Depot, and lay it on the flat top, adjust the mag block until level front/back and side/side...

Mount the scope into whatever rings or scope mount you are going to be using...

Tighten the screws on the rings / scope mount down just enough to where the scope does not spin freely, but you can move it forward / back, side / side without needing a breaker bar / sledge hammer...

Place the T-level on top of the elevation turret, and adjust scope until :

A)  It is level (DUH!)

B)  You have the proper eye relief.

Tighten down the screws in a "star" pattern, much like lug nuts on your car tires.  if you don't have a torque wrench / screwdriver, use an Allen wrench, place the long end into the screw head, hold the short end, and turn until you can't turn no more...  BY HAND