Need some help sighting in..

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Need some help sighting in..

Postby edecho » Sat Apr 13, 2013 6:02 pm

Hey all,

Need some help trying to figure out how to sight my rifle in fro 200 yards. I'm going on a guided boar hunt next month, and the guide has asked to have my rifle sighted in at 200 yards. I have it currently zeroed in at 100 yards with a .270win, how should I zero it in at 200 yards? Should I have it zeroed in at about 1.5inches high at the 100 yard mark, or should I just compensate with the number of clicks pending on the range of the pig? Any feed back would be much appreciated. Thanks!
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Re: Need some help sighting in..

Postby greenheadcity555 » Sat Apr 13, 2013 8:51 pm

just put a target out 200 yrds away and zero it in there instead of zero'd in at 100
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Re: Need some help sighting in..

Postby edecho » Sun Apr 14, 2013 11:25 am

If i had a 200 yard range around here then I wouldn't be asking this question...
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Re: Need some help sighting in..

Postby ajmorell » Sun Apr 14, 2013 7:20 pm

What ammo?
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Re: Need some help sighting in..

Postby Bulldog0156 » Mon Apr 15, 2013 7:24 pm

If it's on at 100 I wouldn't worry about it at 200. If you miss it's probably going to be due to shooter error and not the rifle.
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Re: Need some help sighting in..

Postby edecho » Mon Apr 15, 2013 8:48 pm

ajmorell wrote:What ammo?


Federal Fusion .270 130 grain
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Re: Need some help sighting in..

Postby ajmorell » Tue Apr 16, 2013 8:14 am

According to Federal's website there's about 3" of drop between 100 and 200 yds. I would sight it 2" high at 100yds and call it good.
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Re: Need some help sighting in..

Postby jstewart_1981 » Wed Apr 17, 2013 11:18 am

Hey bud I been shooting a .270 w/130 grain for 20 years. If that gun is dead on or an inch high @ 100... @ 200-250 hold center of body and you have a dead pig every time. Just make sure your windage is very close at 100 if you intend on shooting 200 or beyond. Good luck!
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Re: Need some help sighting in..

Postby WIgunner30 » Sat Jun 21, 2014 10:33 pm

Nikon spot on app. Input caliber bullet brand type and weight. Input target distance(100) input zero(200). Hit fire and it spits out example.... Set sights 1.2 inches high for 200 yrd zero. Awesome!!!!
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Re: Need some help sighting in..

Postby surfrat » Tue Sep 09, 2014 5:56 am

Hard to believe he cant get you closer than 200 yards to a pig. If his clients are shooting past 200 yards there must be a lot of three legged pigs around there. If you leave it dead on at 100 it should be about 1.5 inches low at 200 . Point and shoot up to about 250. But then again he is the guide there and he told you that for a reason. I would do what he said. Set it about 1.5 high at 100. Any load out of a 270 will drop any pig on the planet like a rock. I have not shot my 270in a while but it seems like my 270 was sighted 1.5 at 100 dead on at 200 6 or 7 low at 300 17 low at 400 and about 28 low at 500. May be off a little but that seems about right.....Anyway drop is not the problem on long shots It is a constant that can be calculated every time.....flinching and wind drift is the problem. I shoot 130 grain . What rifle and scope? My 270 is a cooper with a 3x9 Zeiss. I would not shoot at a pig or anything else past about 400 yards . This gun is capable of a lot more than I am. I have a bar 270 short mag that I would not shoot past 200. My Cooper will shoot .5 all day at 100 and the bar will shoot one or two rounds at about 3 in then steadily get worse as it heats up. The short mag 270 kicks like a mule in a bolt action but is not bad in a bar. It is pretty and deadly buy not very accurate past 200 yards. About 8 in in any direction for one or two rounds. That is why it is important to have your gun sighted in cold for that first round. I have watched guys keep moving their scope as the gun heats up and then when they shoot it next time first round is way off. For hunting the only round that counts is the first
one out of a cold gun. Remember that.
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Re: Need some help sighting in..

Postby cluckmeister » Tue Sep 09, 2014 10:28 am

ajmorell wrote:According to Federal's website there's about 3" of drop between 100 and 200 yds. I would sight it 2" high at 100yds and call it good.



X2 I shoot 140 Grain Nosler Ballistic Tip Boat Tail Bullets out of a Winchester Model 70 Featherweight topped with a Leupold Vari X2 4x12 and 2 " high at 100 yards, puts it almost dead on a 200 yards.

BTW, If youre shooting off hand, take a old style paper plate, color the center 4 inches red and set it out at a hundred yards, when you can constantly hit the red off hand , consider yourself to be a decent shot. Youll be surprised how much targets seem to move when viewed thu a scope verses off a gun rest. Also that cold bullet theory goes out the window when you can hit that 4 inch red circle.

Oh and for the best meat shoot a hog under 150 pounds.
If you're there for the limit, you're there for the wrong reason
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Re: Need some help sighting in..

Postby nobodyyouknow » Tue Oct 07, 2014 8:09 am

I agree you could use a ballistics chart to find out for sure. Plug in the exact round you'll be using then sight it at 100 taking into consideration the drop. You'd be surprised how much difference there is in bullet drop between grains and calibers. A ballistics calculator will give you the exact data for your round.

http://gundata.org/ballistic-calculator/
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