Sight in .243 win

I think it depends a lot on the kind of country you hunt, and the distances you shoot coyotes. I prefer to sight in using the maximum point blank method, and do any allowing for shooting high at the closer ranges. For instance, in order to be dead on at 330 yds, I need to be about 2 1/2 inches high at 100, which makes it about 3 1/4" high at mid range. I can allow for that a lot easier at relatively close range to be able to hold dead on at 300 to 330 yds. It all gets down to your personal preference. A good rangefinder sure helps too, as I proved when hunting with Jerry Hunsley in S. Dakota. My new Bushnell combo binocular/range finder was not functioning, and I misjudged a big male to be 300 yds, and he was actually over 350. As a result, I gave him a good dirt bath. I was holding dead on his shoulder and should have been high on his shoulder. I loaded the 80 grain Sierra Blitz Varminter and killed well over 200 coyotes with this sighting in method. I switched to the 70 grain Sierra Blitz King when it came out and it is a flatter shooting bullet. I didn't change any of my sight in elements though, as they only changed at extremely long range, indicative of this projectile being more efficient in the wind, etc.. I have yet to have one get up and run at all when this 70 grain Blitz King hits him in his boiler room. If I was hunting country with a lot more thick weeds and brush, I would probably go for more extreme accuracy up to 200 yds. Hope this helps you. Your particular rifle may not function like mine, which is another consideration. I shoot a Browning A-bolt 243 Silent Stalker with a 4 x 14 Bushnell Scopechief, and the BOSS system.
 
Yah it depends on the terrain and distance of shots most likely to be taken. If your calling them in close all the time, I would not go more then about 1 to 1.5" high at 100. If your wanting to hold dead on out to 300 or so, 2.5-3" at 100 might be in order, however at 200 yards that might put you 3.5-4" high and if you dont compensate for the close ones, you'll always shoot high. Thats easy to do in the heat of the moment, trust me, I've done it to many times to count. Your brain is thinking, hold dead on, and thats all that matters. I zero my rifles at 200 yards and dial up from there. That way from 0-250 or so you can hold dead on, then from 275-300 start clicking. Works for me, but then again I'm out west where its flat and long distance shooting is common practice.

For big game hunting, when I didn't have click type scopes, I always sighted in dead on at 300 yards. That way the bottom post duplex would be a holding point for 500 yards, with most flat shooting cartridges anyways. With coyotes, since there so dang small, that wont work as well.
 
A .243 80gr fj with a BC of .262 at 3120fps MV sighted in at 26.5 yds will be 3.5" high at 100yds, 3.5" low at 300yds, and zeroed at 259 yds according to the Norma ballistic calculator. http://www.norma.cc/htm_files/javapagee.htm

A 7" kill zone for MPBR might be more suitable to elk than coyotes though.

A 200 yd zero would put you 1.5" high at 100yds and 1.5" low at 230 giving a kill zone of 3". Beyond 230yds you should have time to figure your come-ups anyway.
 


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