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#5895478 - 08/25/15 01:51 PM Burrris PEPR scope mount
jimgb Offline
Light Foot

Registered: 03/27/14
Posts: 27
Got a new leupold scope 3-9 x 40 mounted at cabelas using a burris pepr mount they had to shim the scope is this normal ? Was put on a Ruger ar 556 .

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#5895553 - 08/25/15 02:33 PM Re: Burrris PEPR scope mount [Re: jimgb]
QuitShootinYoungBucks Online   content
THF Trophy Hunter

Registered: 11/01/12
Posts: 8018
Loc: Lubbock, TX
Did they put a 1" scope in a 30mm mount using inserts, or did they actually put a shim under the front or rear of the scope to level it? If the latter, I'd get a second opinion.
_________________________

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#5895586 - 08/25/15 02:49 PM Re: Burrris PEPR scope mount [Re: QuitShootinYoungBucks]
jimgb Offline
Light Foot

Registered: 03/27/14
Posts: 27
Shim in the rear to level it.

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#5895684 - 08/25/15 03:35 PM Re: Burrris PEPR scope mount [Re: jimgb]
BigPig Offline
THF Celebrity

Registered: 08/27/09
Posts: 10841
Loc: Forney, Tx
Shouldn't need that with the PEPR mounts. Is it a clearance issue?
_________________________
Originally Posted By: bill oxner
Ever spit it out rather than swallow it?

Originally Posted By: pegasaurus
Enjoy it while you can. One day you might be complaining about NOT getting random pop-ups in the morning. grin

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#5895719 - 08/25/15 04:03 PM Re: Burrris PEPR scope mount [Re: jimgb]
jimgb Offline
Light Foot

Registered: 03/27/14
Posts: 27
not clearance issue needed to bore sight the rifle they said.

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#5895732 - 08/25/15 04:16 PM Re: Burrris PEPR scope mount [Re: jimgb]
bornforit Offline
Bird Dog

Registered: 12/11/06
Posts: 357
Loc: Longview, Tx
I had to shim my 30mm photon xt, with the burris pepr. Was very frustrating when I ran out of adjustment.

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#5895755 - 08/25/15 04:31 PM Re: Burrris PEPR scope mount [Re: jimgb]
QuitShootinYoungBucks Online   content
THF Trophy Hunter

Registered: 11/01/12
Posts: 8018
Loc: Lubbock, TX
I'd ask them to try a different scope or a different mount, or maybe even a different bore-sighter. What happens if you hit the max when you go to sight it in?
_________________________

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#5895760 - 08/25/15 04:33 PM Re: Burrris PEPR scope mount [Re: jimgb]
BigPig Offline
THF Celebrity

Registered: 08/27/09
Posts: 10841
Loc: Forney, Tx
A normal rifle bore sighter won't work on an AR rifle. They make specific bore sighters for AR platforms. Sounds like they didn't do something right
_________________________
Originally Posted By: bill oxner
Ever spit it out rather than swallow it?

Originally Posted By: pegasaurus
Enjoy it while you can. One day you might be complaining about NOT getting random pop-ups in the morning. grin

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#5895847 - 08/25/15 05:27 PM Re: Burrris PEPR scope mount [Re: QuitShootinYoungBucks]
bornforit Offline
Bird Dog

Registered: 12/11/06
Posts: 357
Loc: Longview, Tx
Originally Posted By: QuitShootinYoungBucks
What happens if you hit the max when you go to sight it in?


You have to add a shim.

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#5896800 - 08/26/15 08:18 AM Re: Burrris PEPR scope mount [Re: bornforit]
QuitShootinYoungBucks Online   content
THF Trophy Hunter

Registered: 11/01/12
Posts: 8018
Loc: Lubbock, TX
Originally Posted By: bornforit
Originally Posted By: QuitShootinYoungBucks
What happens if you hit the max when you go to sight it in?


You have to add a shim.


They already shimmed it. My point was that with that scope and mount, it sounds like something wasn't done properly if you have to shim it from the get go because you're already out of adjustment just trying to bore sight it. I feel they either didn't know what they were doing or there is a problem with the mount, or lastly with the scope.
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#5896848 - 08/26/15 08:53 AM Re: Burrris PEPR scope mount [Re: QuitShootinYoungBucks]
bornforit Offline
Bird Dog

Registered: 12/11/06
Posts: 357
Loc: Longview, Tx
Originally Posted By: QuitShootinYoungBucks
They already shimmed it. My point was that with that scope and mount, it sounds like something wasn't done properly if you have to shim it from the get go because you're already out of adjustment just trying to bore sight it. I feel they either didn't know what they were doing or there is a problem with the mount, or lastly with the scope.


Let me add more about my experiences with adding shims on my AR with the PEPR mount.

Depending on the scope it only has so much adjustment. My photon XT had to be shimmed, works off of a X/Y coordinate. only has 30+ and 30- for elevation. It sits higher on an AR and the scope doesn't have as much adjustment as say a normal 3x9-40. I was also told sometimes the rail on top of the AR isn't perfect and to check a couple different slots to see if it was get better. This would point to the rail on the AR having an issue. I moved mine around and it didn't help. Only thing I didn't do was flip the mount around to see if it corrected it the complete opposite. So if I was 4 inches high, I would be 4 inches low. That would point to the mount. I just added the shim and moved on with my day. Hope that answers some of your question as to why it was needed.

I don't know if it was the top of my AR or the mount. Maybe one of these days I will spend the time figuring it out.


Edited by bornforit (08/26/15 08:56 AM)

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#5896877 - 08/26/15 09:09 AM Re: Burrris PEPR scope mount [Re: jimgb]
bornforit Offline
Bird Dog

Registered: 12/11/06
Posts: 357
Loc: Longview, Tx
and I agree something doesn't sound right.

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#5896976 - 08/26/15 10:14 AM Re: Burrris PEPR scope mount [Re: jimgb]
QuitShootinYoungBucks Online   content
THF Trophy Hunter

Registered: 11/01/12
Posts: 8018
Loc: Lubbock, TX
You are correct, there could also be a problem with the rail.
_________________________

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#5897454 - 08/26/15 02:55 PM Re: Burrris PEPR scope mount [Re: jimgb]
jimgb Offline
Light Foot

Registered: 03/27/14
Posts: 27
thank you all for the help took the rifle back to cabelas got someone who new what they were doing remounted scope no shims.

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#5897573 - 08/26/15 04:05 PM Re: Burrris PEPR scope mount [Re: jimgb]
bornforit Offline
Bird Dog

Registered: 12/11/06
Posts: 357
Loc: Longview, Tx
Originally Posted By: jimgb
thank you all for the help took the rifle back to cabelas got someone who new what they were doing remounted scope no shims.


good to here. Let us know how it shoots.....

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