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Sighting Zero at what distance ???

 
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  #29  
Old 03-24-2010, 10:10 PM
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Join Date: Jan 2010
Location: Sydney Australia
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Re: Sighting Zero at what distance ???

Quote:
Originally Posted by tysue View Post
I kinda doubt the average hunter (here anyway) leaves home with the ability to make shots over 100 yds. Indeed, I doubt 95% of "hunters" could hit anything three hundred yards away. Have had people come to our range who were "top shooters, man" and took a look at the bullseye at 200 yds, thought it was at least 1/2 a mile away, and left without shooting at all, as they suddenly remembered having something else to do. Will agree, there are folks out there who can and do shoot long range (the NRA btw, considers 600 yds to be medium range). But they are the exception. It would appear that those on this forum are some of them.

Wish I knew how to post some pictures. Could show some targets shot at 1000 yds, no bipods, etc., this is from the prone, sling and your elbows. Most are with iron sights, as scopes not allowed, except in the Wimbledon.
Yes I know exactly what you're saying...... I have a mate who can't hit a rabbit at 20 yards...... 1000yards with iron sights ? That pretty impressive !
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  #30  
Old 03-24-2010, 11:01 PM
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Join Date: Jun 2007
Location: Fredericksburg VA
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Re: Sighting Zero at what distance ???

Buy exbal ($70) and use the reticle tool to figure the exact drops for each cross hair at different powers.

Using the reticle tool you are not limited to the max power to figure drops for each crosshair.

Probably would start with a 200 yard zero on that type of scope.

Here is my version of that very setup using a 3-9 Kahles with the TDS reticle in 300 WSM. No Click LR carry gun


BH

Last edited by BountyHunter; 03-24-2010 at 11:05 PM.
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  #31  
Old 03-24-2010, 11:22 PM
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Re: Sighting Zero at what distance ???

.25 MOA,

Man you have just got to get out there and DO IT.
Start within your limits and push out further as you gain confidence in your ability and equipment. Learn as you go.

I have not shot for two weeks, so this morning I went out and shot 320m, 590m and 910m (1000yards) First target I felt a bit rusty having not shot for a couple of weeks then got in the swing of it and nailed the others with some good groups.

Nothing beats practice.
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  #32  
Old 03-25-2010, 01:31 AM
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Join Date: Jan 2010
Location: Sydney Australia
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Re: Sighting Zero at what distance ???

Quote:
Originally Posted by Topshot View Post
.25 MOA,

Man you have just got to get out there and DO IT.
Start within your limits and push out further as you gain confidence in your ability and equipment. Learn as you go.

I have not shot for two weeks, so this morning I went out and shot 320m, 590m and 910m (1000yards) First target I felt a bit rusty having not shot for a couple of weeks then got in the swing of it and nailed the others with some good groups.

Nothing beats practice.
Where abouts do you get to shoot those ranges ?
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  #33  
Old 03-25-2010, 04:54 PM
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Join Date: Feb 2010
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Re: Sighting Zero at what distance ???

Quote:
Originally Posted by .25MOA View Post
Where abouts do you get to shoot those ranges ?
I didnt know you were still able to shoot a gun in Oz.
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  #34  
Old 03-25-2010, 05:25 PM
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Location: Sydney Australia
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Re: Sighting Zero at what distance ???

Quote:
Originally Posted by topbrass View Post
I didnt know you were still able to shoot a gun in Oz.
Of course you can, they're opening up all the crown land and some of the National parks for R licence holders !!!!!!! Yippee !
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  #35  
Old 03-25-2010, 10:54 PM
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Join Date: Mar 2010
Posts: 6
Re: Sighting Zero at what distance ???

Seems the thread has got a long way off target somewhat, about as much as some shooters accuracy does after firing off a few boxes of 300 WM cartridges in one session from the bench.

For answering the OP's original question, whatever "zero" you choose is of no real consequence, a hunting shooter chooses a particular zero so they shoot 2.5" high at 100yds and 2.5" low at 400yds, making a proper one shot kill within that 5" vital kill zone a reality.

For the OP, a reason in choosing lets say 200yds as his sighting in zero is only to test loads, cases, powder, primers, and most importantly high BC projectiles so that the accurate loads strike that zero for no other reason but checking load accuracy, but for a 300 mag cartridge it would be practical to use 150 or 200 yds, but only for load/scope testing.

Whatever further range the rifle is then used for is simply a matter of first having an accurate combination at whatever zero, and then working out exact hold over for each different distance past that zero, for eg a 308 might drop nearly 50" or over 4 feet at 500 yards, while a 300WM at 500 yds might be dropping about 35-40".

Whether you use 150 yds, 300 yds or 500 yds as your zero really means squat, so long as each shot shoots lands in that distance at MOA or better at any range, the shooting distance only extends those measurements more but in a perfect world with no wind and very high BC projectile the chosen bullet will still fall the exact same constant amount at 1000 yds whether it's zero was at 100 or 500, and the only difference with zero at 100 or 300 might be a different bullet drop at 1000 yds, or the difference in zero range, likely a few inches.

So, to the OP, it simply does not matter, but in practical terms 200 yards would be a fair zero, for that particular rifle, although at the closer distance it eliminates more external effects of the projectile in flight, so for my liking I would zero it at 150 yards, no matter what the eventual distance it would be used at.....
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