Give or take under two inches, side for side. To test this, look at Tables Three and Four, where we again use Blatt's data for this same Federal Supreme round, this time converting the trajectory from a 100-yard zero to a 500-yard zero. With a 100 yard zero in going to be 8 inches low at 300. It becomes an advantage at 300. If you zero for 200 yards, your 100 yard holdover is about 1.4". 100 yard zero, 100 yard zero vs 200 yard zero, 200 yard group, 308 200 yard zero, black hills match 155, convert 50 yd zero to 100 yard on m1a scout, m14 200 yards, m14 bz at 100 yards, zeroing 308 at 100 vs 200 yards. The simple American way AK zero As demonstrated by Rob Ski of AK Operators Union These targets will finally get AK Operators on TARGET once & for all! Will a rifle sighted for 50 yards (ascending bullet) really be on target for 200 as the bullet descends? No problem with holding over this amount at 300 yards and I'm not terribly high at 100 yards (2" or less). The Federal Premium Ballistics Calculator states that with a.270WIN 150gr. Which means under stress, 4 out of 5 hits on an 8-in center of mass at 100 yards under stress. Which essentially means you zero at 50 yards and your bullet will hit the same point of aim at 200 yards. I shoot a 7mm Rem Mag and a .270 Win. The following example is a 40gn VMax with a muzzle velocity of 3500fps. This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. One of the most popular “Battle sight” zeros for the AR-15 is the 50/200. Set your paper targets at 100 yards. I don't think the drop between 100 yds and 200 yds is that severe - 6 inches. I would encourage you to follow … Despotes wrote: Keep in mind 2.5" high at 100 yrds will get you about 3.5" low at 200 yrds. You begin to memorize the "come up" (number of clicks in elevation) from 200 to 300 and 300 to 600 and that is very useful when you're hurrying to set up for the next stage of the match in 2 minutes. Yeah, 0.4" sounds close. http://www.jbmballistics.com/ballistics/calculators/calculators.shtml, http://www.udarrell.com/243w_lead_table_printout.html. I thank Rob for his videos and the interest it has created in these targets. WATCH: A 100 Yard Zero vs. a 200 Yard Zero Posted at 1:06 pm on February 3, 2017 by Jenn Jacques Based on my experiences, shooting to 1000 yards, a 200 yard zero has only 5x the error to 1000 yards over the 100 yard zero(10x) that can be induced by parallax/error. For example, a Fusion 180-grain load in the .30-06 with a 100 yard zero will impact 2.56 inches low at 200 yards. For targets, you're going to want to dial right in to whatever range you are shooting at anyways, so it doesn't matter. So at 100 yards, it will strike above your 50/200 zero but only 3 to 4 inches above, and at 250 yards again, it will only strike 3 to 4 inches below your point of aim. Old M-16 ammo - Old school /English units of course. I think it is more like 3.5" from 100 to 200 yards with a zero at 100 yds. If the chart says to adjust for 4.5 MOA you adjust for 4.5 MOA. The trajectory of the projectile is flatter and never rises above the point of aim. Move out to 100 yards. For hunting, a 200 yard zero will better allow you to hold for the center of the kill zone and still make a hit in the vitals. Moderator Tools: !I miss spoke in the video guys. So this zero drops quickly past 300 yards. With a zero of 100 yards the .223/5.56 round will impact approx 3/4″ low at 50 yards and around 2.25″ low at 200 yards. A friend recently sent me this chart and 50 seems to be a much better option. All information is provided "as is" with all faults without warranty of any kind, either express or implied. 100 yd zero on all my guns (50 yd for the rimfires). A drop chart set up for a 100 yard, 200 yard, or 600 yard zero, or MPBR is still a drop chart, still has numbers indicating inches or MOA or Mil drops, and will still adjust in your scope the same way. Neither The High Road nor any of its directors, members, managers, employees, agents, vendors, or suppliers will be liable for any direct, indirect, general, bodily injury, compensatory, special, punitive, consequential, or incidental damages including, without limitation, lost profits or revenues, costs of replacement goods, loss or damage to data arising out of the use or inability to use this forum or any services associated with this forum, or damages from the use of or reliance on the information present on this forum, even if you have been advised of the possibility of such damages. Which, actually, holds true for the great majority of "deer cartridges". For a magnified scope, I zero at 100 and use the ranging lines on the reticle for my holdovers. My longest shots are 300 yards. The most common short-range zero is 100 yards, and the most common long-range zero is 200 yards, which is an indication that the peak performance window for most hunting bullets comes at velocities from 100 to 200 yards from the muzzle. Cons: 300 yards is a 9-inch hold over and 400 yards is a 27-inch holdover. I use a 200 yard zero, that puts me a hair high at 100. Zero’s greater then 200 can “exagerate” error 2-3x due to environmental factors(wind, mirage,etc) a big trade off for the questionable 2-3x benefit gained in distance factoring using the longer range zero. When in Doubt, Set it High But not too high. Most of my shots are 150- 250 yards. Some hunters, using a simple duplex reticle, will opt to keep that three-shot group an inch or two high at 100 yards instead of shooting dead center in order to better prepare for 200-plus yard shots. Unless you live in the Northeastern big woods or southern swamp country and will never shoot at a deer past 100 yards, you’re far better off zeroing your rifle at 200 yards. TABLE TWO ". Every yard matters. Gainesville, GA – (ArmsVault.com) – For decades, the standard distance for zeroing a centerfire rifle was 100 yards.But with so many of today’s shooters going long range for hunting and competition, it would seem to make sense to zero your rifle at a great distance, like 200 yards or more. When zeroed at 25 yards the round will also be zeroed at 300 yards. So a 50 yard zero on a 16inch 5.56/223 barrel is point and shoot out to 200 yards and everything after that is a holdover. For me, this practice comes from competition. It's a flat trajectory with good hits out to 250 without holdover. Per JBM Ballistics the difference in impact (assuming a 200M actual zero) for a sight hight change of +0.2" (the ~diff for absolute and lower 1/3 co-witness) is only 0.1" at 100. Voltaire, "You don't have to spend a fortune to play the game, but you do have to spend your money wisely". Now when you go back to Georgia swamps, you might consider re zeroing at 100 yards for making head shots at shorter ranges. When hunting in mixed country shots can be close or far, a popular approach is to set the zero for dead on at 200 yards. This is fine if all you ever do is shoot things out to 160-180 yards. Start by firing 3 to 5 bullets at the target. Pro Tip: The Long-Range Zero. To Georgia swamps, you should start to zero it you zero 100 vs 200 yard zero 100 yards and bullet! Might consider re zeroing at 100 yards and around 2.25″ low at 300 in going to be inches! 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