Using Burris posalign inserts

[Grizzlypeg]

If I want to raise the rear of the scope to allow for more adjustment range on the scope turret,

1)Is it better to raise the rear or lower the front? Make any difference?

2)Are the + and - inserts always used as a matched pair at one end of the scope. IE, do you always use both a plus and a minus at a given end?

3)For double the effect, do you use the positive insert on the bottom on the rear of the scope (with a negative on top) and a negative on the bottom at the front (with a positive on the top)?

 

[Mystic Precision]

#1 no difference. Whatever clears you barrel better. The actual change in height is miniscule.

#2 Yes. +/- with the same value must be used together. There is a divit on the side of the inserts and these should also align.

#3 Yes. The max suggested by Burris is 20 and 10 for a 30 thou shim. However, I do know those that have used 20's at both ends. hard on the caps and bolts but it will work.

In case you have a windage issue, you can rotate the inserts to also change the windage alignment. So you can have both elevation and/or windage shim at the same time.

Jerry

 

[Rod B]

Is it neccessary to use the offset inserts in both rings?

For example to allow for an increase in elevation can this be acomplished by using the offset inserts in only the rear ring? Also for adjusting elevation only (no windage adjustment required) are the inserts placed with the gap between the upper & lower half of the ring?

This sounds like an interesting product. I am familiar with the Burris Signature rings but I have never used the offset inserts.

 

[Grizzlypeg]

Is it neccessary to use the offset inserts in both rings?

For example to allow for an increase in elevation can this be acomplished by using the offset inserts in only the rear ring? Also for adjusting elevation only (no windage adjustment required) are the inserts placed with the gap between the upper & lower half of the ring?

This sounds like an interesting product. I am familiar with the Burris Signature rings but I have never used the offset inserts.

That's kind of my question #1 above. Mystic says you use a pair of insert, and can use them at either the front or rear or both.

I'm not sure I follow your second question. Signature posalign inserts are used in all applications, the offset inserts only where you want to alter alignment.

 

[Rod B]

What I am trying to say is that if you desire to change the elevation only, do you align the spaces where the ends of the upper & lower insert meet with the gap between the upper & lower ring. This would result in the gaps between the inserts being parallel to the gaps between the two parts of the ring.

I know this is somewhat hard to describe.

 

[mudbud]

yes, you are correct, that is how you change elevation only.

 

[Grizzlypeg]

Gotcha, I think I understand too. Yes, you would want them level to affect only elevation.

 

[Rod B]

Thanks, I appreciate your responses to my question.

 

[lineofsight]

The inserts work by the inner radius being offset from outside diameter - i.e. the inner ring is offset inside the outer ring. So for the inner ring to be round need + and - otherwise inside ring will be egg shaped - i.e. use two + and inner diameter pushed in, use two - and inner diameter too big.

To set them up you rotate the inserts thus unless can adjust windage perfectly with 5, 10, 20 insert will end up adjusting elevation too (i.e. if rotate 10 insert to get 8 windage then will also get a little elevation adjustment).

Practically speaking though, ever been an issue to use up 1/2 your (down) elevation adjustment in zeroing scope - ran out of down adjustment trying to hit a target? Thus I use rear insert to get windage perfect with the + on bottom to get a little more elevation and front purely for elevation. Rings not look as skookum as Leo QRW or PRW but seem to work fine. Also note scope tube is held in plastic, not metal.