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Leupold CDS MOA zero stop----How to #7847842 06/25/13
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jmsdad Online Content OP
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Sent in a Leupold 2-7x33 VX-I to Leupold to retrofit a CDS MOA dial. Forgot to ask if zero stop was possible with the plain MOA dial, but the scope came back with no zero stop. This scope is mounted on a 16" 6.5 Grendel in AR15 config.

No zero stop, NO problem!! If you desire a zero stop, it's easy to do.

Buy a 1/16" diameter ball bearing. You'll also need a 1/16" drill bit and a drill press or a hand drill.

[Linked Image]



If you take off the CDS dial cap and look on the inside, there is a spot drilled for a bearing. Not sure where this spot is in relation to the numbers marked outside on other caps, but this one is on the #6 hashmark. Decide where you want your zero stop (exactly @ 0 or a bit past 0) and mark/drill the cap to accomodate the 1/16" bearing. You don't want to go too deep as this will defeat the purpose and the cap will rotate past with nothing to keep it from stopping. For this cap, I set the zero 2 clicks past zero.

[Linked Image]



Put a dab of grease to hold the bearing in place...

[Linked Image]


Protrusion/Stop on Elevation turret...

[Linked Image]



Zero...

[Linked Image]


Zero-stop...

[Linked Image]




Where dial stops @ upper end...

[img]http://i13.photobucket.com/albums/a286/jmsdad/IMAG0906_zpsd0144110.jpg[/img]

Last edited by jmsdad; 06/25/13.
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Re: Leupold CDS MOA zero stop----How to [Re: jmsdad] #7847987 06/25/13
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Nice pics, but it looks like you got it in the wrong place??????


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Re: Leupold CDS MOA zero stop----How to [Re: jmsdad] #7849164 06/26/13
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Nice work.


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Re: Leupold CDS MOA zero stop----How to [Re: JGRaider] #7849678 06/26/13
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Originally Posted by JGRaider
Nice pics, but it looks like you got it in the wrong place??????



Not sure what you mean?

Re: Leupold CDS MOA zero stop----How to [Re: jmsdad] #7849966 06/26/13
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Not being critical by any means, but shouldn't the 0 (zero stop/sight in distance) line up with the hash mark on the scope tube? My CDS dials w/zero stop all do. Where the scope stops on the upper end should also be closer to the zero. I may be confused but in looking at the pics it seems the zero stop may be in the wrong place.


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Re: Leupold CDS MOA zero stop----How to [Re: JGRaider] #7849995 06/26/13
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It is a bit confusing to my old dinosauer mind to have two zeros with three hash marks between them.

Re: Leupold CDS MOA zero stop----How to [Re: StrayDog] #7850049 06/26/13
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That's actually a 0 and a u (for up direction). It does look like two zeros in the pic though.


There is nothing that enters a man from outside which can defile him; but the things which come out of him, those are the things that defile a man.
Re: Leupold CDS MOA zero stop----How to [Re: JGRaider] #7922597 07/23/13
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jmsdad, thanks for posting. I thought about doing the same but I did not know what size bearing to buy or where to find them. Hobbyshop?

Even if the stop is not "exactly" at zero it still serves the purpose of preventing the dial from being spun to far and loosing track of zero. Besides, you can return the dial to the stop and either back to zero or leave it. You still need would to look at the dial to spin up.


Dave

Re: Leupold CDS MOA zero stop----How to [Re: RDW] #7925259 07/24/13
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Neat work.
How does Leupold view this as regards the warranty on the scope?

Wsmnut


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Re: Leupold CDS MOA zero stop----How to [Re: wsmnut] #7927737 07/25/13
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I would bet it does not void the warranty on the scope and there is not much to go wrong with the cap that would require a trip back to Leupold.


Dave

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Re: Leupold CDS MOA zero stop----How to [Re: wsmnut] #7928316 07/25/13
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Originally Posted by RDW
jmsdad, thanks for posting. I thought about doing the same but I did not know what size bearing to buy or where to find them. Hobbyshop?

Even if the stop is not "exactly" at zero it still serves the purpose of preventing the dial from being spun to far and loosing track of zero. Besides, you can return the dial to the stop and either back to z
ero or leave it. You still need would to look at the dial to spin up.


Hardware store...I like ACE because it's closer to me and they stock hard to find items...

I could have set the zero stop at exactly zero, but didn't want to chance it not knowing where it'll end up. I'll drill another small hole and get it line up at exactly zero when I have time next week.

Zero stop is fool-proof for the 11yr old son and myself included. Without the stop, I would hate to imagine the dial being one revolution off and taking a shot at the largest deer one has seen in a lifetime.




Originally Posted by wsmnut
Neat work.
How does Leupold view this as regards the warranty on the scope?

Wsmnut


I'm not worry about it. It does not affect the internal mechanism of the scope. Worst case scenario is I call up Leupold to order another dial...

Re: Leupold CDS MOA zero stop----How to [Re: jmsdad] #7933474 07/27/13
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Nice work...and tagged for later!

Re: Leupold CDS MOA zero stop----How to [Re: Ackleyfan] #8022723 08/28/13
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tag


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Re: Leupold CDS MOA zero stop----How to [Re: passport] #8028315 08/30/13
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thanks for posting


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Re: Leupold CDS MOA zero stop----How to [Re: wes7x57] #8029805 08/31/13
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Re: Leupold CDS MOA zero stop----How to [Re: xverminator] #8030562 08/31/13
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worth a tag for sure


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Re: Leupold CDS MOA zero stop----How to [Re: SU35] #8030595 08/31/13
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Thanks for the info.

Re: Leupold CDS MOA zero stop----How to [Re: jmsdad] #8036034 09/03/13
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Re: Leupold CDS MOA zero stop----How to [Re: AnWdad] #8036552 09/03/13
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Could also be done with a set screw, no?


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Re: Leupold CDS MOA zero stop----How to [Re: jmsdad] #8036596 09/03/13
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Originally Posted by jmsdad


............

If you take off the CDS dial cap and look on the inside, there is a spot drilled for a bearing. Not sure where this spot is in relation to the numbers marked outside on other caps, but this one is on the #6 hashmark. Decide where you want your zero stop (exactly @ 0 or a bit past 0) and mark/drill the cap to accomodate the 1/16" bearing. You don't want to go too deep as this will defeat the purpose and the cap will rotate past with nothing to keep it from stopping. For this cap, I set the zero 2 clicks past zero.

[Linked Image]

............


Why would Leupold put the spot for a bearing at the #6 hash mark? You'd think they would have it lined up with 0 from the start.


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