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Checking my self

 
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  #1  
Old 01-19-2011, 01:49 PM
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Join Date: Jan 2011
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Checking my self

I'm just getting in to the long range hunting thing. Well, mabey not. I've hunted Ground Hogs since i was big enough to handle dads 22-250. But never took a shot at deer or bigger over 200yds. I have a 300yd range in my back yard(literaly) so i shoot a lot. But that is the farthest i normaly shoot. I read an article here about adjusting instead of hold over. Aparently the man who wrote it has passed away. So i would like to run this buy you guys Just to make sure i have this correct. Say i am using my 30-06 with 168gr VLDs at 2900fps +/- using IMR4350. My calculator gives me a drop of 129.6 at 700yds with a 100yd zero. Thats the farthest i can shoot and still be over a 1000ftlbs. That would be (if ammo,gun and i work as advertized) roughly 22 clicks up. Did i do that correctly? And...does any one know of a place in Georgia or Northern Florida with a range that stretches past 300 yards?
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Old 01-21-2011, 07:19 AM
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Join Date: Jun 2009
Location: Afognak Island, Alaska
Posts: 502
Re: Checking my self

I ran your numbers on my program and came up close to what you got. I used .473 BC, 2900fps, 1-10 twist barrel and I got 114.93. That's a 2.09 moa difference than what you got. However, the difference may be in your elevation, temp or BC. I'm at 4450 ft and 50 deg. here in Utah.
At any rate, I believe you got your calulations correct. Just keep in mind that you'll now need to go out and verify what your program is telling you.
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Old 01-21-2011, 09:04 AM
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Join Date: Dec 2009
Location: East Tennessee
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Re: Checking my self

Check out Gun Site Hills in norther Georgia. I've looked at it on the web and plan on giving it a try this spring.
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Old 01-21-2011, 10:36 AM
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Location: Afognak Island, Alaska
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Re: Checking my self

Good for you HighKnob. Now get out and shoot at incriments out to 700 yards and find out what your actual drops are compared to your program and change your BCs, or whatever, until your program matches your real-life drops. With practice you'll be good to go.
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Old 01-21-2011, 01:25 PM
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Join Date: Jan 2011
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Re: Checking my self

Thanks for the reply. I was hoping to find a range closer than 5 hours away one way.

LRsickle: I'm at 226 ft and 46 deg. We are also about 80% humidity year round too. Rarely much wind though.
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Old 01-21-2011, 06:00 PM
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Join Date: Jan 2008
Location: Millbrook ,NY.
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Re: Checking my self

Seems like you are on the right track, and the only thing I would change is your point of zero. I would zero at 200yds. Anyway, have fun,
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Old 01-22-2011, 03:06 AM
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Location: Thunder Basin, WY
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Re: Checking my self

As mentioned above, real world tests need to be done.

But 22 clicks doesn't seem nearly enough to raise the impact the 129.6 inches you mentioned........your click value would have to be over 3/4 moa for that to work out.

129.6/1.0472"/7 = 17.68 moa. Most scopes are either approx 1/4 moa per click or .1 mil per click (about 1/3 moa), so in theory you'd need 70 clicks.

Again, in theory; but 22 clicks could result in a miss of around 7 feet at 700 yds.
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