a large deer kill zone is about a 12" max diamiter circle so a small amount of off zero will still harvest the deer. bullet, when zeroed at 26 yards, angles above the line-of-sight 2.81 inches at 200 yards, crosses the line of sight (zero) again at approximately 275 yards, before falling beyond 3 inches low at 310 yards. Knowing your distance and bullet performance for your specific load will allow you to make the needed changes on your scope or simply to hold over. Now you must do some fancy calculating. The 50/200 Zero is highly precise at 50 to 200 yards. Any use of this content without express written consent is prohibited. Jan 14, 2018 #10 R. Rich Coyle Well-Known Member. The fun is all over folks. At 300 yards it will triple to ¾ inch (3x ¼ inch). The 300 yard zero would be very practical, however if you don't have a range to shoot the 300 yards to confirm the zero, I would not use that. A 12 gauge slug of one-ounce weight fired from a standard Federal cartridge will shoot over 300 yards. Forty years ago Uncle Sam handed me a M14, 7.62 NATO (.308 Win) and me to sight it in at 50 yards and I should be able to hit a man size target at 250 yards. This chart shows the trajectory of the two common military 5.56 rounds. Later he handed me a M16 (.223) and me to sight it in at 25 meters and I should be able to hit a man size target at 250 meters. SMK bullets.Â, Owning a handgun doesn't make you armed any more than owning a guitar makes you a musician. I was wondering if it was shooting low because it was bore sighted at about 200 yards or something like that. dont have an opportunity to use private property as a range so im stuck to the local one which starts at 100 yards. In this chart I lowered the velocity to compensate for a 20 inch barrel instead of the 24 inch barrel listed: The lesson here is that if you need precision at medium distances or just want to hit a target at longer distances, you need to know exactly how your bullet will perform. but i dont have any info for 50. whats the average impact at 50 with a 168gr 308 with a 100 yard zero is it high or low. Past that it starts to matter, and it matters a lot if you are a hunter or otherwise need to make a precision shot. but i dont have any info for 50. whats the average impact at 50 with a 168gr 308 with a 100 yard zero is it high or low. The absolute maximum it can travel is probably around 1200 yards. To keep things simple lets stick with standard 55 and 62 grain FMJ military loads. 200-Yard Zero This is my preferred zero for most big-game hunting in places with a variety of terrain and cover. In shooting, the second the bullet exits the barrel gravity takes hold and starts to pull the bullet down towards the ground. It helps if you can chronograph your load so you know exactly what your average velocity is for your ammo and your rifle. Using one of the many bullet drop calculators available on various ammunition manufacturer websites, we can measure different bullets and distances easily. Subscribe to our monthly Newsletter to receive firearm news, product discounts from your favorite Industry Partners, and more. As such, I think many folks who hold the 50/200 yard zero with high regard and believe the 50 yard and 200 yard zeros will always line up end up using a 50 yard zero and assume the 200 yard zero will line up. These calculators are also available as apps for smart phones: http://www.hornady.com/ballistics-resource/ballistics-calculator, http://www.winchester.com/learning-center/ballistics-calculator/Pages/ballistics-calculator-silverlight.aspx. The simplest thing to do is to use one of the many ballistic calculators available online. Jeff Cooper. At short distances the bullet will impact below your point of aim then travel upwards and intersect the point of aim at the distance where you sighted in then start to drop. My notes have -0.56" at 50 yds with a 100 zero with 168 gr. depends on how high over the bore your scope is. Law officer magazine did a nice write up on it and have a down load AR-15/M-16 Sight In Target for getting a 100 yard zero on a 25 yard range. Which essentially means you zero at 50 yards and your bullet will hit the same point of aim at 200 yards. At 400 yards it will be 1 inch (4 x ¼). It works. But, what happens at distances less than one-hundred yards? Barrel length is another factor that affects velocity. At 500 yards you hit 72.2 inches (6 feet) low and at 1,000 yards it is 549.3 inches low or more than 45 feet. Using standard military FMJ 150 grain ammo from a 20 inch barrel rifle you only drop 4.3 inches at 200 yards. I shoot a 168g .308, zero'd @ 100y, and at 50y my drop adjustment is 1.0 MOA or 0.3 MIL....or in other words, 100y zero will impact half an inch low at 50y. I shoot 168 grain SMK's 90% of the time through .308. 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. VIEW ALL VERSIONS. With a 50/200 MPBR zero, there is only a 3 to 4-inch difference in point of aim and point of impact from 50 yards to 250 yards. From hunters and military members, to competition shooters and general firearm enthusiasts, we welcome anyone who values and respects the way of the firearm. If you zero that in at 50 yards, it will hit 4.2 inches low at 200 yards. The situation is worse for a 62 grain .223 FMJ bullet since the higher weight also reduces muzzle velocity to around 2,700 FPS. That being said it does not utilize the potential available for that gun which I have taken game to 300 yards with setup differently. It turns out that zeroing a .308 AR at 50 yards works just as well. In fact the bullet drop and performance is about the same as for the .223 round fired from a carbine, but of course the .308 has a lot more energy. [Last Edit: 4/30/2017 5:46:57 PM EST by 50-140], [Last Edit: 4/30/2017 5:45:13 PM EST by mimikamimi], [Last Edit: 4/30/2017 5:56:49 PM EST by Hollywood_Shooter]. ARMA DYNAMICS PISTOL TARGETS . In the recent carbine courses we have discussed various yard lines to zero your rifles along with the pros and cons of each yard line. 1. In the past I have always ran a 200 yard zero and now I am thinking a 100 yard might be better. At 1000 yards a .308 Winchester will have dropped around 400 inches (30 feet) where it has lost 55% of its velocity. Different shaped bullets will have different levels of drag and some will fly longer and straighter than others. A 50 yard zero is 1/2 inch high at a 100 yards and returns to zero at 150. Dead on at 100 Yards. TABLE TWO How long your bullet stays in the air also depends on the shape. 25 Yard Zero – I don’t care at all for sighting in at 25 yards. For the rest of us just sight your AR in at 50 yards and leave it alone. The longer the bullet is in the air, the further down it will travel as well. Although it may seem like a pointless exercise, having a properly zeroed scope will be advantageous when you are actually hunting. You can print drop tables to figure where you might hit at 300 but there are so many variables that you need to shoot at 300 to confirm that zero. Gravity is not the only thing acting on your bullet however, there is also the air. Local one which starts at 100 yards the.223/5.56 round will also be zeroed at 25 yards the only acting. 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