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Rifle and load ready. Shooter needs some edumacation!

 
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  #8  
Old 02-20-2007, 07:35 AM
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Join Date: Jun 2007
Location: Fredericksburg VA
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Re: Rifle and load ready. Shooter needs some edumacation!

GSSP

you really want 20 MOA base as you will need most of that to get to 1000. If the scope has 50 MOA of travel, that is from each edge to the other which means you only have 25 MOA from the center. If you use a 20 MOA base and everything lines up perfectly (never does) you would be 5 MOA off the bottom and have about 45 MOA all the way up. Never go all the way to the bottom, they often have problems at the ends with movements.

also just because a scope is marked 1/4" does not mean that it is.

Set up a measured distance say 25" up/down and sideways at 100 yards. Take your rifle after zeroing at 100 and then lock it down in a rest with sand bags etc with the crosshair on either end and clik over to the ends of the line and count the clicks actually used. compare that to the 1/4 marking and see what each click ACTUALLY is and work your drop chart from there. it is quite common for most scopes to not be what they are actually marked.

BH
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  #9  
Old 02-20-2007, 08:34 AM
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Join Date: Aug 2005
Location: Mouth of Hobble Crk Canyon, Utah
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Re: Rifle and load ready. Shooter needs some edumacation!

BountyHunter,

My Nikon has 242 clicks total or about 60.5 MOA (I'll use MOA for simplicity). I'm 67 clicks (16.75 MOA) from bottoming out. Are you saying that because Nikon says my MOA range is 50 MOA that the extra 10.5 MOA is non useable due to some distortion at the far end of the top and bottom?

If that is the case, and I do the math correctly, 50 MOA covers 200 clicks, leaving 21 clicks at each end. With being 67 clicks from the bottom subtracting 21 "non-usable" clicks leaves me with 46 clicks or 11.5 MOA. My brain is fuzzy now. How much futher out can I shoot?
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  #10  
Old 02-20-2007, 09:05 AM
CAM CAM is offline
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Join Date: Jan 2002
Location: Utah
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Re: Rifle and load ready. Shooter needs some edumacation!

GSSP
Got your number I call later today.
Bountyhunter knows his stuff! good sound advise!
Think of two circles one big and one small, as the small one has cross hairs and moves up and down in the big circle.
Or draw it on some paper, as the small circle is at the top/bottom you will see it will not move sideways very far!!
when the small circle is in the middle of the big circle it has max travel sideways (windage).

Also you want to keep some spring tension on the scope, you never want to back all the way off, with out spring tension the point of impact can change.

When you put the 20MOA base on your cross will have max windage at around 900 to 1K and be perfect just as BH said!

Talk to ya later today.
CAM
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  #11  
Old 02-20-2007, 01:09 PM
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Join Date: Feb 2006
Location: az
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Re: Rifle and load ready. Shooter needs some edumacation!

by using a the berger vld( 175-210) with the higher bc; . you will notice a difference in drop and windage when you are shooting at 1000 yards. i have never shot game only paper at 1K. roninflag
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