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Sighting Zero at what distance ???

 
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  #22  
Old 03-24-2010, 10:23 AM
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Join Date: Oct 2006
Location: Maryland, near Balmer
Posts: 30
Re: Sighting Zero at what distance ???

The sighting target I was mentioning though, is only for 50 yds use, as goes to like 20" high at that range. It can be used to determine clicks up, for various ranges, then go use those factors for the real ranges. Once you get the tweaked ones, can use those from there on out. Come back to a 100 yds. But then will know who much elevation to dial in for any given range. Many shooters (hi-power) I know come all the way back after each range, so they don't forget and dial in the new clicks up, on top of what they had at say 300 yds. Using iron sights, I can see the rear sight is UP, and have it marked for various ranges, so easy to see where I'm at. In the matches we shoot, no scopes are allowed, except in the Wimbledon match.
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  #23  
Old 03-24-2010, 10:51 AM
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Join Date: Nov 2007
Posts: 122
Re: Sighting Zero at what distance ???

Up until this year, I typically used either a 300 yard zero or a MPBR zero typically around 265 yards for my .308s. While I load test out to 300 yards and shoot whenever I can at distances out to 1200, I switched to a 100-yard zero for three reasons:

1) A 100-yard zero is far less susceptible to wind or any other error that might be magnified by shooting at distance

2) Like an increasing number of tactical scope users, I rely on a zero-stop on my scopes. I have plenty of travel (27 mRad, for instance, with my Premier) + a 20MOA base, but if I set the zero-stop at 300 or 600 yards, I will have to hold under with the reticle to take shots closer in. That's not terrible, but not great either.

3) Also, at least with my .308 ballistic profiles, a 100-yard zero means never having to hold under since all the drops are greater than zero.

If you don't have the necessary elevation or zero-stop, there's nothing that says you can't first zero at 100, then re-zero at 300 or whatever.
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  #24  
Old 03-24-2010, 01:05 PM
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Join Date: Aug 2008
Location: France
Posts: 18
Re: Sighting Zero at what distance ???

I saw the link of Burris range dot, i saw also that in 300WM, the bullets are hunting bullet, if you reload i am sure that you reload with better ballistic bullet (Ex Lapua scÚnar with BC= 0.521), and in this case,the dots are at others distances than in the link.
I suggest that you reroing at 200 or 300 yards (meters for me: i'm French, sorry)
and you make YOUR ballistic table (for example, with YOUR reload, the third dot is correct for 425 yards, it's only an example).

Good shots

Dan
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  #25  
Old 03-24-2010, 06:49 PM
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Join Date: Feb 2010
Posts: 2
Re: Sighting Zero at what distance ???

Quote:
Originally Posted by .25MOA View Post
Hi there again friends, i have finally got my Long Range Rifle setup together and was wondering what distance to Zero it at ?? It's a Sendero in .300wm with a Burris Black Diamond 8-32 scope and i intend to shoot out to 1000yards .....at what distance should i zero at ?? Also the scope has the Mildot Plex which has those yardage markers for 200 300 400 500 600 yards, will they be of any use when zeroing at distances greater than 100yards ??

Thanx for any help on this....
You actually answered your own question; I haven't seen the scope you refer to. The range markings enable close calculation of shots. Once zeroed at 100 your set. the scope does the rest once you are familiar with it. I have a Horus with same markers, just figure the windage if not on your scope, my Horus has it already figure in.
Orginary scopes with just cross hairs I fell should be zeroed at half of the longest shot you intend to do. 600 yd. shot would be a 300 yd zero.
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  #26  
Old 03-24-2010, 08:34 PM
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Join Date: Mar 2010
Posts: 6
Re: Sighting Zero at what distance ???

My Rem VSSF 308 is zeroed at 150 yds allowing for a 300 yd shot to still fall into the vital kill zone, sure for you it would be more correct to physically shoot whatever ammo to be used and get the ballistics for that particular ammo as I have done out to 500 yards.

The scope on the Rem is a Leupold 6.5-20X50 LRT, and while the longer shots like 400-500 require use of my range finder ( a very usefull must have hunting tool) knowing the range out in the scrub and the exact hold over makes the only variable to a kill the wind and other weather conditions.

Zero at 150 for most hunting rifles, 175 or 200 for 7mm Mag or 300WM and similar calibre, but the same problem exists when out hunting foreign ground with long shots, you must have a range finder which are pretty cheap for a good one, while at the range it's simple as you know the true distance and exact holdover amount.

Anyone that can regularly make + 500 yd shots is either very good or full of it, even snipers use another well educated head and he has both calculator and their own rifles ballistic tables, I really doubt the average hunter leaves home with all the info needed for any shots out past 400 yards.

Last edited by digisol; 03-24-2010 at 08:43 PM.
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  #27  
Old 03-24-2010, 09:48 PM
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Join Date: Oct 2006
Location: Maryland, near Balmer
Posts: 30
Re: Sighting Zero at what distance ???

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.
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  #28  
Old 03-24-2010, 10:08 PM
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Join Date: Jan 2010
Location: Sydney Australia
Posts: 73
Re: Sighting Zero at what distance ???

Quote:
Originally Posted by riergarde View Post
You actually answered your own question; I haven't seen the scope you refer to. The range markings enable close calculation of shots. Once zeroed at 100 your set. the scope does the rest once you are familiar with it. I have a Horus with same markers, just figure the windage if not on your scope, my Horus has it already figure in.
Orginary scopes with just cross hairs I fell should be zeroed at half of the longest shot you intend to do. 600 yd. shot would be a 300 yd zero.
Yes but I want to get out to 1000 metres/yards
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