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Can you determine range?

 
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  #1  
Old 05-13-2012, 08:11 PM
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Join Date: Jan 2012
Location: Southern Oklahoma
Posts: 118
Can you determine range?

My rangefinder was not able to accurately display the range. So 6 shots later im on target. But aside from knowing this particular hunting spots range, im left with a big guess.

I believe its more than 800 yards, less then 900.

Im sighted in @100 with 1.4''scope height. 900ft alt, 85*.

I dialed in 4.2 MOA or 22 clicks (this is right on for 500) but was way low.
So, I eventually found my way to 107 clicks and managed 2 hits out of 3 shots (once I knew the elevation dial was correct) Any clue just how far the shot was? I would shoot, and lose focus and quickly readjust to my scope right as it impacted.

(This was @the river, so my spotter had instant feedback of shot placement.)

Thanks guys.
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Old 05-13-2012, 08:43 PM
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Re: Can you determine range?

To give you any type of guess we need more info.Bullet -MV- any incline.With out BC and MV there is no way to reverse engineer drop.
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Old 05-13-2012, 08:53 PM
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Re: Can you determine range?

Dang it! I knew I forgot something....

300 WSM 180 GR. SUPER-X

Cartridge: 300 WSM
Bullet Weight: 180
Muzzle Velocity: 2970
Ballistic Co-efficient: 0.438
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Old 05-13-2012, 09:09 PM
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Re: Can you determine range?

Google earth or on an android an app called on target works good.
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Old 05-13-2012, 09:24 PM
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Re: Can you determine range?

Quote:
Originally Posted by bigngreen View Post
Google earth or on an android an app called on target works good.
I'll have to give that a shot, if no one can reverse engineer this problem.
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Old 05-13-2012, 09:27 PM
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Re: Can you determine range?

Try attaching two license plates on your target side by side. It will make you RF think it is on steroids.

Jeff
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  #7  
Old 05-13-2012, 09:40 PM
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Re: Can you determine range?

based on BC and MV 107 1/4 moa clicks would be correct for + - 950 yards.4.2 moa does not compute for 500 yards-but then again my numbers may be all wrong.
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