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. 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. This is fine if all you ever do is shoot things out to 160-180 yards. For a magnified scope, I zero at 100 and use the ranging lines on the reticle for my holdovers. But that is also the round itself not the zero’s fault. For targets, you're going to want to dial right in to whatever range you are shooting at anyways, so it doesn't matter. 100 Yard Zero – Not a bad option at all. Use that ballistics software and figure out your maximum point blank range. So this zero drops quickly past 300 yards. Nosler Partition at 100 yard zero, the bullet will drop 3.5" at 200 yds. I use my .223 for varmints out to 500 yards so I shoot a 50g VMax at 3450 fps zeroed at 200 yards. Discussion in 'Rifle Country' started by arizona, Oct 11, 2012. Army zeros at the 25/300 zero. "It is difficult to free fools from the chains they revere." 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. For original iron sights, 25M/300M. Zeroing at 100 yards results in the bullet trajectory never going higher than the line of sight of your scope and at 200 yards, the bullet will be 2.28 inches low. Click on a term to search for related topics. I thank Rob for his videos and the interest it has created in these targets. 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. 100 yard zero (can be extrapolated for meters also) 1. For me a 200 yard zero makes sense. Give or take under two inches, side for side. I always center-punch the 25 yard target and generally find that it's around 3" high at 100. 50 vs 100 yard zero I used to zero my 556 rifles at 100 yds, because that was how I was taught to do so. Result for 200 Yds +2.7” Zero -8.71” -24.2" -47.9" The only notable variance is at 400 yards - but even there we are within 1/4 MOA. All information is provided "as is" with all faults without warranty of any kind, either express or implied. Moderator Tools: The 50/200 is the most useful zero for 1X and BUIS as you can see by your nice graphic. CORRECTION!! The line of sight drop at 25 yards for a 100 yard zero is 1.8 inches for the Troys (2.8 inch site height), and 1.9 inches for the Aimpoint (3 inch sight height rather than the actual 3.1 inches). 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. A 100 yard zero will make you hold over at a shorter range. and 12.8" at 300 yds. 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. 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. My longest shots are 300 yards. Zeroing starts to become fun at this point. Which, actually, holds true for the great majority of "deer cartridges". 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. One of the most popular “Battle sight” zeros for the AR-15 is the 50/200. That leaves me a 1" holdover at 100 yards and follows mil-dots perfectly out to 500 yards. No problem with holding over this amount at 300 yards and I'm not terribly high at 100 yards (2" or less). The shortest distance I compete at is 100 yds. I would encourage you to follow … With a 100 yard zero in going to be 8 inches low at 300. For me, this practice comes from competition. ". Most of my shots are 150- 250 yards. Move out to 100 yards. 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. As the bullet leaves the muzzle, it is 2 3/4 inches below the point of aim and rises slowly until it strikes the target at 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. Yeah, 0.4" sounds close. !I miss spoke in the video guys. Then, it becomes a natural process in any circumstances you find yourself shooting in. For my guns the drop is 7"-9" at 300 yards. I don't think the drop between 100 yds and 200 yds is that severe - 6 inches. At 300 in going to be about 3 inches low. When zeroed at 25 yards the round will also be zeroed at 300 yards. 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. 100 yd zero on all my guns (50 yd for the rimfires). Mostly, 2" high at 100 is right at dead on at 200 and somewhere near 6" low at 300. Which means under stress, 4 out of 5 hits on an 8-in center of mass at 100 yards under stress. THE 200-YARD ZERO Sighting in your high-power deer rifle at 100 yards is a waste of a perfectly good flat trajectory. Even though the distance is longer, the objective is to hit the bullseye consistently. If you plan on doing any long-range shooting, you should start to zero at longer distances. Which essentially means you zero at 50 yards and your bullet will hit the same point of aim at 200 yards. I use a 270 for long range work. The trajectory path at 50 yards is 1.2 inches high, at 100 yards the bullet is 2.9 inches high, at 200 yards 2.3 inches high and at 300 yards the bullet only drops 3.8 inches. Will a rifle sighted for 50 yards (ascending bullet) really be on target for 200 as the bullet descends? Old M-16 ammo - Old school /English units of course. I use a 200 yard zero, that puts me a hair high at 100. It's a flat trajectory with good hits out to 250 without holdover. If the chart says to adjust for 4.5 MOA you adjust for 4.5 MOA. 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! If you zero for 200 yards, your 100 yard holdover is about 1.4". 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. I think it is more like 3.5" from 100 to 200 yards with a zero at 100 yds. Pro Tip: The Long-Range Zero. Set your paper targets at 100 yards. 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. I shoot a 7mm Rem Mag and a .270 Win. The 50/200 zero variations and the 100 yard zero work well because they have been tested and had various bugs worked out. Every yard matters. Despotes wrote: Keep in mind 2.5" high at 100 yrds will get you about 3.5" low at 200 yrds. For 1X red-dot and BUIS, 50M/200M. TABLE TWO Hold over about 3" at 200. Actually, MRT occurs a little beyond the half-way point – like around 115 for the 200-yard zero, and 170 yards for the 300-yard zero. 25 Yard Zero – I don’t care at all for sighting in at 25 yards. When in Doubt, Set it High But not too high. And with this 50/200 zero when you aim dead […] That means that with a 100-yard zero, the bullet will rise ½ inch above line of sight at 50 yards; 1.8 inches above at 100 yards with a 200-yard zero, and 4.7 inches above at 150 yards with a 300-yard zero. "A people that values its privileges above its principles soon loses both. This is the most precise MPBR zero, and the downside is the reduced effective range compared to the Army and USMC methods. 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. It's personal preference. I'm not familiar with 243 trajectories. You probably just zeroed it a little different with the new setup. The Federal Premium Ballistics Calculator states that with a.270WIN 150gr. The following example is a 40gn VMax with a muzzle velocity of 3500fps. If you have an AR-15, then you need to zero it. 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. 100 yard zero Voltaire, "You don't have to spend a fortune to play the game, but you do have to spend your money wisely". A friend recently sent me this chart and 50 seems to be a much better option. Now when you go back to Georgia swamps, you might consider re zeroing at 100 yards for making head shots at shorter ranges. This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. doesn't sound right about 30m zero being zero at 300m too with M-16 M-16 with a 25 yard zero - will be 2 inches high 100 yards 4 inches high around 200 yards (175 IIRC) and drop 6 inches at 300 yards. Although The High Road has attempted to provide accurate information on the forum, The High Road assumes no responsibility for the accuracy of the information. 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. It becomes an advantage at 300. 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. The trajectory of the projectile is flatter and never rises above the point of aim. Cons: 300 yards is a 9-inch hold over and 400 yards is a 27-inch holdover. http://www.jbmballistics.com/ballistics/calculators/calculators.shtml, http://www.udarrell.com/243w_lead_table_printout.html. the 50-200 yard zero I have heard a lot about using a 50-200 yard zero, but would like to know how well it really works. Start by firing 3 to 5 bullets at the target. 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