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Mounting a Scope

Friday, 21 August 2015 21:21:00 Europe/London

First you need to choose the right mounts. This will depend on the size of the objective lens (the front lens) on the scope. Generally scopes with a 32, 40 or 44mm objective lens use medium mounts. Anything with a 50 mm objective lens use high mounts.


To put the mounts on the rifle you’ll want to loosen off the bolts on the base of the mounts, so that they will fit over the scope rail. Then you can loosely tighten the bolts up. Then undo the bolts holding the top straps (top part of the mount) of the mounts into place, so you can put the scope on the mounts. Put the top strap of the mounts, back on the mounts over the scope. Then do the bolts up slightly. So the scope can move in the mounts.


To level the scope up, look at a horizontal straight line (window, door frame, course of bricks) to make sure the cross hairs are level.


To get the correct eye relief, put the gun in your shoulder and move the scope backwards and forwards. Until it’s in the position, where you have no black border in the scope picture.


Once the scope is in the correct position, gently tighten the top strap bolts (not too tight as too crush the scope) and then tighten the bottom bolts hard on the mounts.



  • Tighten top strap bolts in the engineering fashion – diagonal opposites.
  • The bottom bolts should all be on the same side.


1186429 Comments | Posted By Dragon Field Sports

Zeroing a scope

Friday, 21 August 2015 21:15:00 Europe/London

The first thing you need to do is measure the distance you are shooting, making sure you have a decent backstop.

Put up a big target so you can see where you are missing. (I use a cardboard box with a cross drawn on it in black marker). Now you need to set up your firing position, so that your gun is resting on something (sand bags or bipod).

Undo the turret caps on the scope, so you can adjust the cross hairs. Now fire a string of shots (3 – 5), aiming at the same place everytime, so you can hopefully get a tight group of holes on the target. If you can’t get a group move closer.

You should now be able to see where you are missing. Ie: you are grouping low and to the left or you are right and high.

You now need to adjust the crosshairs to match the point of impact by turning the turrets.

On most scopes it says on the turret that one click is a ¼ at 100 yards (1/4 moa = 1 click). This means at 10 yards 40 clicks equal 1”, 25 yards 16 clicks equal 1”, 30 yards just over 13 clicks equal 1”.

So if you are missing the bulls eye – down by 1” and left by  2” at 30 yards it would be 13 clicks up and 26 clicks right. This should then put you somewhere near the centre of the target.

You now need to fire another string of shots at the target, then you can adjust the turrets some more.

This step needs repeating until you are bang on the centre of the target.

Comments | Posted By Dragon Field Sports

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