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Rifle and load ready. Shooter needs some edumacation!

 
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  #1  
Old 02-19-2007, 08:57 AM
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Rifle and load ready. Shooter needs some edumacation!

I feel my rifle and load are ready to start putting together a drop chart. The rifle, a Rem 700 in 30-06 Ackley shooting a Nosler 180 BT at 3061 fps from a Lilja 26" stainless barrel, looks like this
http://i26.photobucket.com/albums/c1...lbaseclose.jpg
The Ken Farrell bases will be sent back tomorrow so Ken can take .010" off the bottom. Should I have him give it an MOA cant or will my bullet velocity get me to 1000 yds? My scope is the Nikon Buckmaster 4.5-14-40 w/ side focus and mildot reticle set in Tactical Precision System aluminum 1" rings. The max internal adjustments is 50 MOA, according to the manuf specs.

My load gives this accuracy at 300 yds.
http://i26.photobucket.com/albums/c129/GSSP/3.jpg

If I understand MOA correctly and in conjunction with my 1/4" per click adjustments, each click will move me an 1/4" at each additional 100 yds. So, at 1000 yds one click would move my POI 2.5"? Using the ballistic calulator http://www.handloads.com/calc/, my 1000 yard drop for 3061 fps, 180 gr, 300 yd zero, .507 bc, sight height 1.7", 30 deg F, 4960' elev would be 223.04". If one click moves me 2.5" I would take 223 divide by 2.5 and get 89.2 clicks.

Am I heading in the right direction?
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Old 02-19-2007, 09:36 AM
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Re: Rifle and load ready. Shooter needs some edumacation!

1 MOA @ 1000 = 1.047*10 or 10.47"

223.04" @ 1000 divided by 10.47 = 21.3 MOA

0.25 MOA/click = 8 MOA/revolution or 21.3/8 or 2.6625 full rotations of the turret (in the proper direction [img]/ubbthreads/images/graemlins/crazy.gif[/img]) which would be 2 full turns + .6625/.025 or 2.65 clicks. Or 2 Full rotations + 2 clicks and a schochie bit of fudging like bite you cheek or something to adjust the cheek weld for the .65 of a click [img]/ubbthreads/images/graemlins/blush.gif[/img]
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Old 02-19-2007, 09:40 AM
CAM CAM is offline
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Re: Rifle and load ready. Shooter needs some edumacation!

GSSP

YES & NO
"If I understand MOA correctly"
Every thing you have shown is in INCHES NOT MOA
1 MOA = 1.047 inches at 100 yards
1 MOA = 10.47 inches at 1K
If your scope is 1/4" clicks why even think or say MOA??
USE INCHES AND BE DONE!!!
if your clicks are in MOA then convert to them.
I'm not familar with the buckmaster scopes is it 1/4" clicks or 1/4 MOA?

MOA is a unit of measure just like inches or meters.

Your outcome of 89.2 clicks for 223" of drop at 1K sounds right for 1/4" clicks.
For 1/4 MOA clicks it would be more like 85 clicks for 223" of drop.

Hope this makes sence!!
or E-mail me your phone number and I'll call you
you are on the right track for inches!! but it has nothing to do with MOA

CAM
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Old 02-19-2007, 10:49 AM
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Location: Mouth of Hobble Crk Canyon, Utah
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Re: Rifle and load ready. Shooter needs some edumacation!

Gentlemen,

I do understand the diff between MOA and inches; just forgot to put it that way. I looked at both the Nikon web site
http://www.nikonsportoptics.com/prod...p;product=6469

which says MOA and the scope, which has 1 click = 1/4" on the dial. Only time and testing will tell.

Cam, I'll pm you and maybe we live w/in proximity of each other.
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Old 02-19-2007, 06:34 PM
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Re: Rifle and load ready. Shooter needs some edumacation!

If i am understanding MOA correctly, it can be used interchangably...... like for example, if my scope moves my bullet impact 1/4 inch @ 100 yards, it also moves my bullet 1/4 MOA@ 100. Now if I move back to 200 yards, my clicks will equal 1/2 of an inch, and 1/2 MOA @ 200 (MOA @ 200 = 2", 1/4 of 2 is 1/2). and so on. I may be wrong, if I am somebody please correct me. [img]/ubbthreads/images/graemlins/crazy.gif[/img]
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Old 02-19-2007, 07:03 PM
CAM CAM is offline
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Re: Rifle and load ready. Shooter needs some edumacation!

Sharpshooter
They are not the same!!
If you like to "roundoff" your good to go!!
The longer the distance the more it matters!!
1 inch @ 100 yards DON'T = 1.047
10 inches @ 1K DON'T = 10.47
Granted thier CLOSE!!
In his example there is 4 clicks difference! 89.2 DON'T = 85
Is 10 inches close enuf @ 1K????
For most shooters that works for some it don't.
Now lets move out to 1500 or 2K "OOH YEAH MIGHT MATTER"

I'm not here to argue 1.000 = 1.047 IT DON'T!!
But do it matter?? that depends on the shooter and distance.

Other things could cause more problems like wind!!

CAM
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Old 02-19-2007, 08:30 PM
CAM CAM is offline
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Re: Rifle and load ready. Shooter needs some edumacation!

Roy
You must have one of these scopes?
I don't. You lost me at .6625/.025??
2 full turns at 8 MOA would be 16 MOA plus 2 more clicks would be 16.5 MOA plus your schochie or bch YES/NO??
16.5 MOA is 19.2 clicks or 4.8MOA short
At 8MOA per turn you need at least 2.5 turns then some schochie. or 85.2 1/4MOA clicks.

This is why I don't count clicks!!
My scope is 10 MOA per turn.
any way how do you like the scope?
CAM
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