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Leupold VX-3 with CDS system?

 
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  #8  
Old 05-09-2010, 12:52 PM
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Join Date: May 2010
Posts: 3
Re: Leupold VX-3 with CDS system?

I have bought this scope to fit onto my .270
Can someone advise me how to sight it in.
If I set the rifle up at 100 yards, do I set the CDS to 0 or 1.
Then if I want to shoot at 200 yds, do I just turn it up to 1 or 2.
Is the standard CDS dial that the scope comes with for a .270.
Help appreciated.

thanks Ryan
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  #9  
Old 05-10-2010, 08:19 AM
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Join Date: Dec 2005
Location: Longmont, Colorado
Posts: 325
Re: Leupold VX-3 with CDS system?

Quote:
Originally Posted by ryan@airfincorp.co.za View Post
I have bought this scope to fit onto my .270
Can someone advise me how to sight it in.
If I set the rifle up at 100 yards, do I set the CDS to 0 or 1.
Then if I want to shoot at 200 yds, do I just turn it up to 1 or 2.
Is the standard CDS dial that the scope comes with for a .270.
Help appreciated.

thanks Ryan
The standard markings from Leupold are MOA (roughly 1.047" at 100 yards.MOA). If you contact Leupold, and tell them your loading data, they will custom make a turret that is roughly calibrated for your rifle. You could also just use the MOA turrets and then figure out what the corrections are for your load (like the JBM online ballistics computer). And yes, if you want a custom turret made, you will probably have to chronograph your hunting loads in your rifle.

The other option is to zero your rifle at 100 yards, and then reset the turrets to "0". At this point, shoot at 200 yards, and figure out how much you need to correct the elevation to hit dead on. Do the same for 300, 400, etc. and record all of those setting. Tape them to the inside of your scope caps ...
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  #10  
Old 05-10-2010, 08:26 AM
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Join Date: May 2010
Posts: 3
Re: Leupold VX-3 with CDS system?

Fantastic thanks for the help.
Sorry for the ignorance but what is MOA.
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  #11  
Old 05-10-2010, 01:15 PM
Bronze Member
 
Join Date: Jan 2009
Posts: 43
Re: Leupold VX-3 with CDS system?

You can get a cap without the zero stop so you wouldn't be limited.

The factory ones come with a zero stop, but again you can call and get one without or if your having one installed you can also either get it with or without (or so I've been told)

I've got one in right now being retrofitted, 4.5-14 LR
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  #12  
Old 05-11-2010, 08:07 AM
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Join Date: Dec 2005
Location: Longmont, Colorado
Posts: 325
Re: Leupold VX-3 with CDS system?

Quote:
Originally Posted by ryan@airfincorp.co.za View Post
Fantastic thanks for the help.
Sorry for the ignorance but what is MOA.
That stands for minute-of-angle. Here is a quick article on the definition (Minute Of Angle).
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  #13  
Old 05-11-2010, 08:46 AM
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Join Date: May 2010
Posts: 3
Re: Leupold VX-3 with CDS system?

Thanks for all the help, much clearer now.
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  #14  
Old 05-12-2010, 08:57 AM
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Join Date: Apr 2003
Location: North Bend, Oregon
Posts: 1,200
Re: Leupold VX-3 with CDS system?

I love the Leupold and the CDS is a great feature but for me I would keep it in MOA. The problem with the drop built into the knob is your load will vary with temperature and elevation and over time sometimes I change loads or move scopes around. Then the custom knob is worthless. I have a $110 Kenton knob hanging in my safe that I can no longer use because I switched to 210 grain Bergers.

Anybody need a VX-3 LR target knob set up for the 200 grain Accubond at 3100fps, 750' elevation at 55 degrees?
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