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Photon 4.6XT Ran out of adjustment #6002188 10/30/15 07:45 PM
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MGP Offline OP
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This is my fathers its on his Savage B-Mag with a DNZ one piece mount. Its 2" low at 100 and its maxed out. Any suggestions? Thanks Mike

Re: Photon 4.6XT Ran out of adjustment [Re: MGP] #6002232 10/30/15 08:21 PM
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I had the same problem on my AR with a different mount. The don't have as much adjustment as a normal scope. I shimmed mine. Basically cut a shim from an aluminum can. Take the back scope ring off and slip that shim in between the lower of the mount and scope. I wanted mine as close to center as possible so I used more than one layer.


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Re: Photon 4.6XT Ran out of adjustment [Re: MGP] #6002519 10/30/15 11:21 PM
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If that mount can be reversed, I'd try that. I've shimmed with pieces of aluminum can and it can be effective, but a few layers of electrical tape can be effective and a lot easier to use. Plus it won't mar the scope's finish.


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Re: Photon 4.6XT Ran out of adjustment [Re: MGP] #6003074 10/31/15 12:38 PM
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The mount is not reversible. How many shims did you use?

Re: Photon 4.6XT Ran out of adjustment [Re: MGP] #6004428 11/01/15 02:21 PM
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After looking on the website all over and on Sightron webpage, they do not list how much internal adjustment there is on this scope. It shows that there are 60 and 60 number of clicks, but WTF is a click!!!??? Higher magnification scopes generally have less internal elevation. Cheaper scopes generally have less internal elevation. Add those 2 together, and there you go, less internal elevation. Like mentioned, a shim may be needed under the front mount. Also, a .014" thick shim is 20 MOA (20.94 inches) at 100 yards. So, calculate how much elevation you need, and shim it. It's not the best solution, but it should work if done correctly.

Windage and Elevation, 1 Click (H/V), mm@100m- Number of clicks, (H/V) 60/60



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Re: Photon 4.6XT Ran out of adjustment [Re: MGP] #6004562 11/01/15 03:59 PM
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I believe the "clicks" are one MOA with this scope. It's all electronically done. Not a lot of resolution, but appropriate for its purpose.

The exact amount of correction you get is going to depend on the spacing between the front and rear rings, but those numbers should be close.


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Re: Photon 4.6XT Ran out of adjustment [Re: ChadTRG42] #6004814 11/01/15 06:34 PM
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Originally Posted By: ChadTRG42
After looking on the website all over and on Sightron webpage, they do not list how much internal adjustment there is on this scope. It shows that there are 60 and 60 number of clicks, but WTF is a click!!!??? Higher magnification scopes generally have less internal elevation. Cheaper scopes generally have less internal elevation. Add those 2 together, and there you go, less internal elevation. Like mentioned, a shim may be needed under the front mount. Also, a .014" thick shim is 20 MOA (20.94 inches) at 100 yards. So, calculate how much elevation you need, and shim it. It's not the best solution, but it should work if done correctly.

Windage and Elevation, 1 Click (H/V), mm@100m- Number of clicks, (H/V) 60/60


Shim Under the front ring or rear ring its shooting 2" low at 100? So if I add .005" shim that should allow him to zero at 100 yards? Thanks Mike

Last edited by MGP; 11/01/15 06:35 PM.
Re: Photon 4.6XT Ran out of adjustment [Re: MGP] #6004845 11/01/15 06:54 PM
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Under the front ring/base. Back about 20-30 years ago, shooters needed more elevation in their scope for longer range shooting, so they would insert a .014" shim under the rear scope base. Why .014"? .014" is right at 20 MOA at 100 yards. If you need less elevation (higher point of impact), you need to put the shim under the front.

To answer your question on what size of shim, I do not know. If you know the actual amount of internal elevation travel of your scope, we could figure it out. I would calculate what shim you would need to get the adjustment near the center of the elevation amount.



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Re: Photon 4.6XT Ran out of adjustment [Re: ChadTRG42] #6004855 11/01/15 06:57 PM
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Originally Posted By: ChadTRG42
Under the front ring/base. Back about 20-30 years ago, shooters needed more elevation in their scope for longer range shooting, so they would insert a .014" shim under the rear scope base. Why .014"? .014" is right at 20 MOA at 100 yards. If you need less elevation (higher point of impact), you need to put the shim under the front.

To answer your question on what size of shim, I do not know. If you know the actual amount of internal elevation travel of your scope, we could figure it out. I would calculate what shim you would need to get the adjustment near the center of the elevation amount.


Ok great Thanks ill try .005" and see were that brings us.

Re: Photon 4.6XT Ran out of adjustment [Re: MGP] #6004895 11/01/15 07:29 PM
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I think you'll want to raise the rear of the scope, not the front. Shim the rear base.


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Re: Photon 4.6XT Ran out of adjustment [Re: RiverRider] #6005916 11/02/15 11:51 AM
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Originally Posted By: RiverRider
I think you'll want to raise the rear of the scope, not the front. Shim the rear base.


I was thinking the rear also ill let you all know how I make out. Thanks again Mike

Re: Photon 4.6XT Ran out of adjustment [Re: MGP] #6005917 11/02/15 11:54 AM
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Its easy to get confused with this. I think of it as pointing the scope to where the rifle wants to shoot.


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Re: Photon 4.6XT Ran out of adjustment [Re: RiverRider] #6005919 11/02/15 12:02 PM
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Originally Posted By: RiverRider
Its easy to get confused with this. I think of it as pointing the scope to where the rifle wants to shoot.


I'm going to put a .005" piece of stainless shim stock in between the ring and the scope tube. I really don't like to do things this way but don't have a choice.

Re: Photon 4.6XT Ran out of adjustment [Re: MGP] #6006509 11/02/15 06:06 PM
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I had the same issue and mine was a lot further off than 2", more like 6" at 100 yards, the best solution is to get 20moa scope rings, I ended up getting some American defense QD, little pricy but worth every cent.

http://www.americandefensemanufacturing.com/view/product/790/

Re: Photon 4.6XT Ran out of adjustment [Re: MGP] #6006601 11/02/15 06:46 PM
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.005" shim under scope on rear ring brought him up 4" so he was able to get it zeroed at 100 yards. Thanks for all your help guys. Mike

Re: Photon 4.6XT Ran out of adjustment [Re: MGP] #6007875 11/03/15 06:07 AM
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Personally I think the DNZ mount is your problem. I'd try a good set of 30mm rings if it were my rifle.

Re: Photon 4.6XT Ran out of adjustment [Re: He'sDeadJim] #6007937 11/03/15 11:37 AM
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Originally Posted By: He'sDeadJim
Personally I think the DNZ mount is your problem. I'd try a good set of 30mm rings if it were my rifle.

No reason to buy any other rings the .005" shim worked perfect , you can even see it so why waste money on another set of rings.

Last edited by MGP; 11/03/15 11:38 AM.
Re: Photon 4.6XT Ran out of adjustment [Re: MGP] #6008076 11/03/15 01:35 PM
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Originally Posted By: MGP
Originally Posted By: He'sDeadJim
Personally I think the DNZ mount is your problem. I'd try a good set of 30mm rings if it were my rifle.

No reason to buy any other rings the .005" shim worked perfect , you can even see it so why waste money on another set of rings.


Glad it worked for you. I don't like using shims. Just me.

Re: Photon 4.6XT Ran out of adjustment [Re: He'sDeadJim] #6008424 11/03/15 04:55 PM
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Originally Posted By: He'sDeadJim
Originally Posted By: MGP
Originally Posted By: He'sDeadJim
Personally I think the DNZ mount is your problem. I'd try a good set of 30mm rings if it were my rifle.

No reason to buy any other rings the .005" shim worked perfect , you can even see it so why waste money on another set of rings.


Glad it worked for you. I don't like using shims. Just me.


I don't either but my old man is old school. So as long as hes happy. cheers

Re: Photon 4.6XT Ran out of adjustment [Re: MGP] #6010739 11/04/15 06:52 PM
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Originally Posted By: MGP
.005" shim under scope on rear ring brought him up 4" so he was able to get it zeroed at 100 yards. Thanks for all your help guys. Mike


what did you shim it with?

Re: Photon 4.6XT Ran out of adjustment [Re: ccreyeder] #6012010 11/05/15 01:04 PM
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Originally Posted By: ccreyeder
Originally Posted By: MGP
.005" shim under scope on rear ring brought him up 4" so he was able to get it zeroed at 100 yards. Thanks for all your help guys. Mike


what did you shim it with?


I have stainless steel shim stock it comes in sheets 8.5"x 11". On hand i have .005" , .010" & .012" so I cut a strip to fit the bottom of the ring with the .005" stock its easy to cut with scissors. Placed it under scope and done.

Re: Photon 4.6XT Ran out of adjustment [Re: MGP] #6014433 11/06/15 04:07 PM
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Originally Posted By: MGP
Originally Posted By: ccreyeder
Originally Posted By: MGP
.005" shim under scope on rear ring brought him up 4" so he was able to get it zeroed at 100 yards. Thanks for all your help guys. Mike


what did you shim it with?


I have stainless steel shim stock it comes in sheets 8.5"x 11". On hand i have .005" , .010" & .012" so I cut a strip to fit the bottom of the ring with the .005" stock its easy to cut with scissors. Placed it under scope and done.


Well, heck... Guess I will have to use a cut up aluminum can lol

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