Your bullet will be zero ar 25 yrds, then 2.7" high at 100 yards, 2.95" high at 150 yards, and 1.88" high at 200 yards, coming through zero once again at 245 yards. My indoor range says 50, but is actually 44. These are the 50 yard targets with the 1st shots fired with last 3 scopes I zeroed. Which essentially means you zero at 50 yards and your bullet will hit the same point of aim at 200 yards. I am assuming that your Mini-Thirty has a 16" barrel and the velocity is somewhere around 2350 ft/sec. That would reduce your dead on hold to 250 with a 25 yard zero on the 8 … Now, move the paper targets to 200 yards and repeat the whole process. (IIRC that would be about 3 clicks on the Mk1 leaf.) For those that have attended the courses now know that when it comes to your go-to 5.56 caliber carbine rifle that you would pick because it is best suited for all possible scenarios, the 36 yard zero seems to be the perfect fit. THE 200-YARD ZERO Sighting in your high-power deer rifle at 100 yards is a waste of a perfectly good flat trajectory. 25 Yard Zero – I don’t care at all for sighting in at 25 yards. 300, yes, run the numbers on that and memorize your hold-over for a 300 yard … Table calculated for 180 Sierra @2470 fps. I like when things are easy like that. 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. When this is added to your drop, the zero hold difference becomes even shorter. Typically, I'm a little high at 200 which should put me back on at about 225 or so and I'm about 1 1/4 ~ 1 1/2 high at 100. Right: First shot at 100 yards hits the target, and the second shot after scope adjustment is very close to a 100-yard zero. It should be about 10" low at 225 yards or approx. Cons: 300 yards is a 9-inch hold over and 400 yards is a 27-inch holdover. It is important to realize that with a .308 rifle, 200-300 yards is a good shooting distance. 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. First you need to establish that the range is indeed 200 yards and then work out some way of judging 3" aim high point at that distance. Bore-sighting ARs I my fine tune some, then I move to 200 yards and repeat. By as much at 2" sometimes. IIRC a dead on 25 yard zero should get you within 2 inches of zero at at 100 yards. The amount of holdover needed to meet the aforementioned level of accuracy is very small with a 100-yard zero—approximately 2.5 inches at 200 yards, .5 inch at 150 yards, and .75 inch at 50 yards. Now, since we're converting from a 100 -yard zero trajectory to a 200-yard zero trajectory, we begin by looking at how much we must adjust to rezero to the new distance. This turns out to be a great zero as it puts be just under an inch high at 100 yards, back to zero around 140 and about 5″ low at 200. One of the most popular “Battle sight” zeros for the AR-15 is the 50/200. However, tiny errors at 100 or 200 yards become big ones at 1,000 yards, so it’s important to use a more methodical process. So the 50/200 yard zero allows you to put the dot on the target at any range from CQB to 250 yards (might go out to 300 depending on your barrel and ammo selection) without having to use hold overs or hold unders. I zero at 100 yards because 100 yards is the closest range I don't have to pay money to use and the closest 200 yard range is "under construction" until who knows when. The same goes with a 100 yard zero but its reversed. If you zero at 100 yards then as you mentioned it's 3" low at 200 yards. MkVII should not vary significantly. 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. Anything less than 200 will not effect your shot placement enough to worry about,and even going out to 300 yards is a minor adjustment (6-8 inches depending on bullet ballistics and weight). Step-2 (Fix It on a Level Platform) While zeroing scope, you must set … There are many variables, but on average, it's safe to say a .243 peaks at 100 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. With a 50 yard zero, your bullet will only be about 1.57 inches above the line of sight at 100 yards and height maxes out just over 2 inches above around 150 yards. At a 100 yard zero, the bullet should be about 7 inches low at 200 yards. Will a rifle sighted for 50 yards (ascending bullet) really be on target for 200 as the bullet descends? Funny thing is that my 50 cal muzzleloader with 250 grain sabots and 150 grains of powder has almost identical ballistics. Don’t rely on single-shot indicators to determine your zero status. Of you zero at 100 yards, your range of arm accurate group will fall too far below your zero … If you know you shoot a 3/4 inch group at 50 yards, that then becomes 1.5 inches at 100 and around 3 inches at 100 when applied linearly. Left: First shot at 25 yards after bore-sighting. It will cross the line of sight somewhere past 100 yards for your second dead-on-perfect-zero distance, and after that the bullet will start dropping visibly on the paper. With a 6.5 Creedmor, in PRS matches out to 1000 yards I don't even spin the dial one whole revolution with a 100 yard zero. 200, because anything inside 250 is just point and shoot. I zero'd mine 3" high at 100. Zero 6" above point-of-aim at 100 yards, and impact will be very near to 6" above POA at 200 yards. In this case, our "book" data says this round impacts 5.4 inches low at 200 yards when a rifle's zeroed for 100 yards, so to hit dead-on (and be zeroed at 200 If you have an AR-15, then you need to zero it. 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. That leaves me a 1" holdover at 100 yards and follows mil-dots perfectly out to 500 yards. With a 50 yard zero shooting 110gr TSX Black Tip, I’m about .5″ high at 100 yards, back to zero around 125, -2″ around 160 and about -6″ around 200 yards. Adjust if nececessary. 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. At 250 yards you would have to hold over your target to hit it. “You can figure it in your head.” But if your zero is at 200-yards, 250-yards or 300-yards, and your target is at 725 yards… 100 Yard Zero – Not a bad option at all. I know I'll be hitting low for the real close in stuff. 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. Make any adjustments that are needed. It's something I have used for many years … i zero my rifles at the 50/200 yard mark. But at 200, it won't have dropped enough to make any difference. When zeroed at 25 yards the round will also be zeroed at 300 yards. Using 25 yards to obtain a 100 yard zero (rough zero) is a viable tool, we use it often and it is very simple. Someone enlighten me! That will be 7 clicks up on most scopes where the click value is 1/4". Whereas, like I discussed earlier, the 50 yard zero is pretty flat shooting from zero to 200 yards. You will fire 2 shots and be zeroed at 100 yards with no tools needed. Then 4.7" low at 300 yards. If you zero for 200 yards, your 100 yard holdover is about 1.4". 200 meters. The theory is that, with common big game cartridges, a “zero” at 25 yards will correlate to a second “zero” at 100 yards. at 100 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. There isnt always time to range and dial for a shot, and ive seen guys with 100 zeros start to panic when the animals at 220 yards and theyre fumbling with the rangefinder and looking at a dope chart. Set targets out to 200 yards. That is a 200 yard zero, not a 1" high zero at 100 yards, frankly I also think it is *****, I don't know any .243 with that 100-200 yard performance! Or, if zeroed for 3" above POA at 100 yards, elevate 3 MOA for 6" high POI at 200. Fire 1 shot at 100 yards. Once you are shooting consistently at 100 yards, you can move the target even further out. So this zero drops quickly past 300 yards. Link to post Shots 3-5 will be your first 3 shot group. For most center fire rifles in a hunting role you want to ZERO the rifle at 200 yards. At 250 yards, it will impact 6 inches below the point of aim, (three inches out of the vital zone.) For ARs and other rifles with scopes that are 2.5 inches or so above the bore, a 25-yard impact of 1.5 inches low will get you on target at 100 yards. So, with a 100-yard zero, a hunter can simply aim at a buck and expect to hit it in the vitals anywhere from 0 to 203 yards. Other riflemen who routinely hunt areas where shots of 300 yards or more aren’t uncommon sometimes opt for a 200-yard zero. I use my .223 for varmints out to 500 yards so I shoot a 50g VMax at 3450 fps zeroed at 200 yards. Scenario #2: With a different ammo --- Federal 150 Grain Nosler Partition, coming out of the muzzle at 2840 fps, then the following: A straightforward representation is 1 MOA is 1.05 inches at 100 yards, 2 MOA is 2.1 inches at 200 yards, and so on. And with this 50/200 zero when you aim dead […] 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. The 36 Yard Zero Target. …and in reality, with a 25 yard zero you’d have to aim somewhere from 4 to 10 inches low at 100 yards. But that is also the round itself not the zero’s fault. so I shoot point of impact approximately 1-1.5" low at 25 yards compared to point of aim. At 1,000 yards, that translates to 10-inch or 10 MOA groups. “With a 100-yard zero, there’s just that easy one-to-one correspondence,” says Vaughn. According to the ballistic calculator, you need to take your scope up 1.75" from your 100 yard zero to adjust for a 200 yard zero. 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