adjusting scopes


sureshot

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I just got a new leopold scope and put it in the .223,went out to sight it in and to get it to the right height I need it just about maxed up, I have always been told that you should try to keep it as close to the center as possable,I called to our local gun shop and he told me to use a small piece of thin cardbourd as a shim under the scope and mount, it will raise it up, this does not sound right to me, just thought I would as suggestions, I am scared of dampness ect on the shim affecting shooting!I never had this prob with other scopes and same mounts,thanks for any imput!

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Shimming a base up can help with the problem. I would say a piece of brass shimstock, or even aluminum flashing metal would be better than paper. What can happen, though, is the shimming can create an alignment problem that puts shear stress on the scope tube. You can fix this by lapping the ring saddles, but unless you are part gunsmith and have the necessary lapping equipment (Midway), I would look at the rings that Burris has available. Their signature series have inserts that go inside the rings to take care of alignment problems. You can get these inserts in various amounts of offset. You put the lower half of the ring on the gun, then pick which insert you need (they come split) and by rotating it, you can achieve an offset of up to 20 thousandths up, down, left or right on both the front and back rings. Also, these inserts swivel inside the rings so that all shear stress and torque is eliminated. They do work, and they grip well.

Burris Signature Rings with Pos-Align Inserts. A set of rings and the additional set of inserts, if you need them will set you back about $50. They are steel (inserts are a plastic material) and well made. It takes a little tinkering, but you can get things close to perfect. uj

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