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Feb 7th, 2025
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 Photon 4.6XT Ran out of adjustment
#6002188
10/30/15 07:45 PM
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Joined: Jan 2015
Posts: 80
MGP
OP
Outdoorsman
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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
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Re: Photon 4.6XT Ran out of adjustment
[Re: MGP]
#6002232
10/30/15 08:21 PM
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Joined: Dec 2006
Posts: 369
Night Hunting TV
Bird Dog
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Bird Dog
Joined: Dec 2006
Posts: 369 |
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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Joined: Nov 2007
Posts: 10,073
RiverRider
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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.
![[Linked Image]](https://i.imgur.com/T84Bps5.jpg) "Arguing with you always makes me thirsty." -Augustus McRae
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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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Joined: Jan 2015
Posts: 80
MGP
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The mount is not reversible. How many shims did you use?
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Re: Photon 4.6XT Ran out of adjustment
[Re: MGP]
#6004428
11/01/15 02:21 PM
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Joined: Sep 2009
Posts: 19,325
ChadTRG42
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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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Joined: Nov 2007
Posts: 10,073
RiverRider
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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.
"Arguing with you always makes me thirsty." -Augustus McRae
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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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Joined: Jan 2015
Posts: 80
MGP
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Outdoorsman
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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 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.
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Re: Photon 4.6XT Ran out of adjustment
[Re: MGP]
#6004845
11/01/15 06:54 PM
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Joined: Sep 2009
Posts: 19,325
ChadTRG42
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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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Joined: Jan 2015
Posts: 80
MGP
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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. Ok great Thanks ill try .005" and see were that brings us.
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Re: Photon 4.6XT Ran out of adjustment
[Re: MGP]
#6004895
11/01/15 07:29 PM
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Joined: Nov 2007
Posts: 10,073
RiverRider
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I think you'll want to raise the rear of the scope, not the front. Shim the rear base.
"Arguing with you always makes me thirsty." -Augustus McRae
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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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Joined: Jan 2015
Posts: 80
MGP
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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
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Re: Photon 4.6XT Ran out of adjustment
[Re: MGP]
#6005917
11/02/15 11:54 AM
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Joined: Nov 2007
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RiverRider
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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.
"Arguing with you always makes me thirsty." -Augustus McRae
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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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Joined: Jan 2015
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MGP
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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. 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.
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Re: Photon 4.6XT Ran out of adjustment
[Re: MGP]
#6006509
11/02/15 06:06 PM
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Joined: Nov 2014
Posts: 36
eddie5364
Light Foot
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Light Foot
Joined: Nov 2014
Posts: 36 |
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/
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Re: Photon 4.6XT Ran out of adjustment
[Re: MGP]
#6006601
11/02/15 06:46 PM
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Joined: Jan 2015
Posts: 80
MGP
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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
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Re: Photon 4.6XT Ran out of adjustment
[Re: MGP]
#6007875
11/03/15 06:07 AM
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Joined: Aug 2014
Posts: 62
He'sDeadJim
Outdoorsman
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Outdoorsman
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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.
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Re: Photon 4.6XT Ran out of adjustment
[Re: He'sDeadJim]
#6007937
11/03/15 11:37 AM
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Joined: Jan 2015
Posts: 80
MGP
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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. 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.
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Re: Photon 4.6XT Ran out of adjustment
[Re: MGP]
#6008076
11/03/15 01:35 PM
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Joined: Aug 2014
Posts: 62
He'sDeadJim
Outdoorsman
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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. 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.
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Re: Photon 4.6XT Ran out of adjustment
[Re: He'sDeadJim]
#6008424
11/03/15 04:55 PM
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Joined: Jan 2015
Posts: 80
MGP
OP
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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. 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. 
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Re: Photon 4.6XT Ran out of adjustment
[Re: MGP]
#6010739
11/04/15 06:52 PM
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Joined: Aug 2011
Posts: 357
ccreyeder
Bird Dog
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Bird Dog
Joined: Aug 2011
Posts: 357 |
.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?
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Re: Photon 4.6XT Ran out of adjustment
[Re: ccreyeder]
#6012010
11/05/15 01:04 PM
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Joined: Jan 2015
Posts: 80
MGP
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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 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.
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Re: Photon 4.6XT Ran out of adjustment
[Re: MGP]
#6014433
11/06/15 04:07 PM
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Joined: Aug 2011
Posts: 357
ccreyeder
Bird Dog
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Bird Dog
Joined: Aug 2011
Posts: 357 |
.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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