Hunters have used this method for a while, but with the popularity of the bullet drop reticle, it has fallen by the wayside in recent years. At 350 yards the point of impact is … If the target is inside our point-blank range… we want the rifle to be a simple “point and click” interface. dead hold center mass? Everyone, Brownells Gears Up to Release “What Would Stoner Do?” Rifles →, Gun Shops Are Next: CryptoCurrency is for Us, “Said I Never Had Much Use For One. A 50 yard zero allows the shooter to use a simple center-mass hold to ranges of point blank to 200-250 yards, depending on rifle and … I love this scope for that purpose you pointed out in your article so I agree with you 100 percent. For deer hunting I used 6 inch and coyote was 3 inch. Think of each bullet as a probability to hit an area based on its accuracy. If you are looking for accuracy then thicker barrel profiles will be stiffer and have less variance load to load. Industrial areas. some cross hairs o, irons or dot may cover 4 inch at X range,.. thats not much “wiggle room” I would also be interested how you would justify a 270 yard shot in a self defense situation. Groupings are the defining measure of whether an MPBR zero will be effective as inaccurate ammo could possibly land too far away from our target radius to remain useful. Point. And one of the reasons the Army trains troops as it does, is because they have other considerations, like: how much time do they have to train, and what works best for the average troop to apply without asking too much of him, how “soldier proof” the idea is, and how quick/easy it is for the trainers to get troops up to the minimum desired skill levels. So if I am shooting a 20 inch AR15 with XM193 and a maximum bullet rise of 3 inches over my line of sight, then I just extended my MPBR to 300 yards where at that point the bullet would dip 3 inches below the line of sight. There is no remembering hold unders, you just aim a little high inside 100 and keep going higher past 100. What I mean by different rifle zeros, Specifically in 223 or 5.56 caliber rifles, is the different ranges you can zero your rifle at and how they affect the trajectory. The old school way you would zero your rifle is at 100 yards… that way everything is just a holding above the target past 100 yards (known as holdover). That disk could be at 25, 100, 212, or 274.5 yards and a single-center hold would allow me to hit it with no need for holdover. One can expect group sizes to double. MPBR is more than a theory, it’s as old as the hills, and it works well, provided you apply it correctly to to the problem you are trying to solve. As for the self defense… It’s all ridiculous until we see the reality behind the curtain. Since we cannot effectively range estimate every shot on fleeting targets, best practice would be to utilize MPBR to ensure hits by maximizing projectile trajectory as it relates to the size of our target. especially since 193 quality is highly variable. For most hunting situations it is irrelevant. My green laser goes 100 yards and is really good. Above Sig Romeo 5 with Juliet 3x magnifier. You tried to stretch the most out of each gun . The 6 o’clock position reticle wire at the top gives me 400 yd or so BDC spot to shoot from. We now have better reticles that are even slower to use than duplex reticles, but much more precise. Because time. Sorry, your blog cannot share posts by email. We don’t need any BDC stadia to be riflemen. This is a well written, well conceived article. This article is for people who are new to firearms and need some data to help zero their rifle, or for people who don’t know about the different rifle zeroes and trajectory. Use a ballistic calculator app such as Strelok! Point of aim/point of impact out to 200-225 yards, depending on ammunition and barrel length. That’s the beauty of the MPBR method, it allows you to tune your trajectory to tailor suit your rifle, your loading, and your target diameter. What you do is your business, but we do enjoy reading about it. #1, there are plenty of locations where I can see 100 yard+ shots. 200………………………….- 0.7, Would be nice to add the Barrel Length, Rifling, Caliber and Grain of the slug. I like the 50 yard zero for both 16” barrels and 10.5” barrels. You may know about it, or…read more →, 2008... that's the year the ACOG's patent protections have lapsed. So next I whipped up a basic chart to get an idea of what zero at 100 yards I would need to get an MPBR which targets a 6 inch radius. I can’t think of anything I would shoot at that would be missed because my trajectory apex is three inches high. A rifle shooting terrible groups at (Say 4 inches at 100 yards) will not benefit from MPBR, as we must consider that at 200 yards the groupings would double to 8 inches, and at 300 the groupings would run around 12 inches. I don’t know if your optic allows 1/2 minutes or 1/4 minutes, or perhaps its in MILS, but get as close as you can to a click. If the the shot is both far and time critical, I’m estimating and holding, similar the knock the hat technique. Cons: Not ideal for a red dot zero. The whole article was well-written and gives great information to people about zeroing a gun and the various associations. If you know your rifle, you can shoot high or low in your MBPR set up even. If I have to focus with one eye, I’ll take a scope. 100 yards 5.5”, 150 yards 6.5”, 225 yards 4.75”, Pros: It’s a 36/200 zero on a 10.5 AR. Of course, the actual distance the bullet should hit above the point of aim at 100 yards (or 100 meters, which is about 108 yards) varies with the individual caliber and load. Get our new posts sent right to your email! Is the target inside of my MPBR? It will cross your line of sight twice; once at where you zeroed it, and once again when the bullet starts to drop. What I really need is a zero that works for close, precision shots without worrying too much about offset up close. 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. That has effectively changed our “resolution” to 6 inches where the bullet would stay in the defined target zone. If you were incorrect and your target was closer than you estimated, your projectile would still likely hit the head. An aisle in a Walmart. With modern ballistic calculators such as Strelok, you can simply zero at 100 yards, input the maximum target diameter, take the recommended zero for your new MPBR and Strelok will tell you how many clicks up from 100 yards to achieve that zero goal. First, A 25 yard zero yields roughly a 1/2" hold over at 10 yards, but will be POA/POI at 25. i wanted to try some 50 yard shots at the range with my g21 last week. BTW on the M193 moa issue .. Click. XM193 and Mk 262: Sight in at 100 yards X inches high in blue for a bullet apex of 3 inches; the MPBR is in red for each barrel and projectile. ie. The topic definitely should encourage users to couple their cartridge/firearm combination with the actual application. Typically M193 is considered a 1.5 to 2 MOA load and the 77 grain Mk 262 is considered a sub MOA load. Seems to work reasonably well. If so, hold center and shoot. This is a deer hunting rifle and from time to time range rifle (473 yard max as my hunting property is also my range). Also, still getting used to red dots. It’s not about what is the most common. so i held my front sight pretty much exactly where i normally do at the 10, 15, 25 yard. With the gun zeroed to impact a 200-yard target dead center, the same .30-06 will be 1.72 inches high at 100 yards and 7.66 inches low at 300 yards. Thanks for the “cheat”…I almost feel bad letting you do the work, but I have an SBR that needs zeroing and a sunny afternoon! It’s easily maneuverable in my home and I don’t have a problem with it. Just remember, that is a rough estimate based off of the velocities the ballistics app gave me. Most shots will be in the 50-250 yard range but the occasional shot at 300-500 might take place. For a standard 16” barrel shooting 223/5.56, the 50-yard zero is the flattest shooting and you just need to remember that last 200 yards you start to aim higher… and 300 yards, as long as you can see your target, won’t be impossible to hit with a red dot. I believe a .223 75-77 gr load from a 18-20 inch barrel out of 1/7 or 1/8 twist would be optimal. as Honeycomb said above. Etc. I think these loading’s can cover all shooting I can ever realistically do. I’m fairly inexperienced with scopes and all, even after reading a few books and practicing with my own Red Dots, etc. If the links are broken forgive me I will fix them when I get home. i was told by a few different people that there is not enough drop at 50 yards to compensate for much. They were slower than irons, but more precise. No doubt there are multiple ways to skin the cat, and a master of one method can outshoot the novice of another valid method, but I have been seeking simplified methods that reduce holds and increase (however slight) the chance to hit a target at unkown ranges under duress of time. However, and this is going to ruffle feathers as there are some absolutely accepted terms in this community, I quickly lose faith in any expert that uses the term “bullet rise” and believes in it. You’re also basing data on a 20-in barreled rifle. Shoot at 100, 200, and 300 to know where you are hitting. If they are too close… well then you likely got a head-shot. Let’s zero so the maximum ordinate of our XM193 is 3 inches above the line of sight. Yes. That’s correct. Here are a couple of illustrations to aid in understanding some of the concepts described above. Yeah, this does not devalue your mil-dots (Pretty much why we always zeroed our M14’s at 200 rather than 100, point of aim should be point of dead out to a distance that your rifle’s trajectory sight scheme can handle.) But the 36 yard zero is flatter out to 300. This seems incredibly well thought out and well written. Balance that with your portability needs. It is good advice and I have a few rifles zero’ed for 50 myself, but it’s not the “best zero”. the US Governement) demanded better. Concepts such as what you’re promoting are akin to the military 25/300 zeros that allow for a person to miss head shots as close as 100 yards because of the higher allowed maximum ordinate. Has any one had experience with the 36 yard zero? Thanks Dave, good comment. Anything inside of my MPBR is in the danger zone with no need to hold over. Even the text is real thin, hard to read. Frank Proctor uses a 50 Zero at 10 yards, Please Like, Share, and comment. After all, its only three clicks up from my zero. Thanks for the compliments. This method may be off-putting to those with an ACOG or similar rifle optic since it negates the benefit of the bullet drop stadia. How would I do that? If you had to rely on one zero, what would it be? At this distance, it’s common to be hitting about an inch or inch and a half low… Now, you can use a slight hold over if the target is particularly small, but most of the time practically sized targets at 25 yards are really large… check it out!For more information go to www.triggertimetv.com We want the highest probability of hitting a head, torso, or half exposed limb. I was quite shocked at what a difference I found between zeroing at 50 yards vs. 45 yards. 150…………………………+ 0.9 Cons: None out to 200 yards. I like that idea, if I make another article like this I will see if I can do that. Thanks!! Squeeze. I am 75 yo and I can not read the gray very well, really strains my eyes. Just an alternative I would think. In the field there are no even-hundred-yard markers. While seeing these numbers is nice, they aren’t exact. Optimal for who? It I’m knocking nickels off a stick at 100 yards this obviously won’t work but if my target is no bigger than that I’ll just walk up and stomp on it. What an informative, well-written, well-explained essay ! In fact, assume a 50 yard zero, the two long lines are 50 yards and the short line is 2 inches. Your target, be it defensive or hunting, will present you with an opportune shot for only a few seconds. For a 10.5 inch barrel, the 50 or 36-yard zero will be ideal. This should increase your success in hitting targets with less correction. You stated that your intent was to improve defensive use, therefore it would make sense to use loads or bullets that supported that. Any expert that uses this term concerns me as to what else they don’t understand. So you are dealing with 4-4.5 inches of rise *OR* fall where your shot will land inside the head. Best practice would be the highest velocity you could reasonably attain for a heavy match bullet which combats light wind. Many many more shooters own and use 16-in or less barreled AR/M platform carbines for defensive purposes than they do rifles. Ever shoot on your side? Point. Nothing here invalidates proven methods, so I want everyone to know that… But if we had to way to examine best evidence, I think some of this MPBR theory might hold some decent water. Sight in at 100 yards X inches high in blue for a bullet apex of 3 inches; Above Sig Romeo 5 with Juliet 3x magnifier, Criterion Barrels Match Chrome Lined HBAR, Classic Rifle Review: The Daewoo K2… Korea’s Answer to the AR15, When the Patent Runs Dry: Trijcon’s ACOG Up for Grabs. I am not a fan of increasing the size of the target area in order to increase the distance one can use a point blank zero concept. Unless they pay for the SBR stamp or are law enforcement. Nice… But why are all the charts “grayed out”? I know I do. and then shoot a group 1.7 inch high approx. However help understand if I missed where do you exactly aim at? It’s good work on your part. How does this train of thought match those who’ve already trained this way for so long, like myself a 12yr veteran, US Army Infantry? On the left the accurate projectile strays outside the targetable zone at its maximum ordinate and at the end of the MPBR, but still remains tight and effective. The 50/200 zero variations and the 100 yard zero work well because they have been tested and had various bugs worked out. If you estimate the target is at 300-400 yards, holding on the head will ensure rounds drop into the mid torso. Is it best to use a heavy match bullet, or one that has better terminal performance, and thus more likely to be used for defensive purposes? Ideal for a scoped AR15 that you plan on “dialing in” at any distance. The other problem is that a 10 yard zero basically makes the rifle unusable for any distance beyond 10 yards. Cons: None. I struggle to find a use. You can certainly run the math and print out a dope card with a MPBR zero, but with BDC, I’d want to keep it as simple as possible. My caveat: if I had a BDC reticle like Lothaen instead of a scale reticle, I’d probably zero so that my trajectory matched the reticle as much as possible. The true value of this setup is that it helps free you from thinking about your target distance in hundreds of yard increments, and instead it allows you to estimate either near or far. In some situations, did you know that you may not be able to justify shooting someone standing in the same room!!! A solid option for shooting a short-barreled  223/5.56 to 200 yards. What barrel length would be best for the task at hand? Me too, padawan.…read more →. I’d like to see someone skin a cat that has only read about it on the inter-webs, even if they have the best knife belly angle and holding technique they are gonna destroy that future banjo skin. This simplify’s ranging immensely. And 200 yards is a small 3-inch holdover. We want to put rounds on target, with the highest probability to intersect the target, without having to try and estimate range. Great zero for shooting steel silhouettes for a target. I can not imagine a self defense situation were a common AR aiming scheme or MBPR would not suffice, if someone is shooting at me from more than 225 or so meters I’m covering and moving, area fire is good enough, If they could actually shoot a gun I’d be dead already. Let’s start by expanding upon why we want to ditch the 50/200 zero mantra and see how things go with a 3 inch diameter MPBR: You need a ballistic calculator and some load data. Why, you might ask. I knocked the NF off the table ! And still works even with higher velocity hunting rounds, or varying target sizes; the method doesn’t care how fast or slow your bullet is, or how big/small the target. If each rifle setup is unique, then can we do better than a “vanilla” zero for each rig? hunting) then this is fine. And I have a migraine so please forgive the typos. Anyhow….this is the 4th time I have read your essay on MPBR. In a self-defense setup, we need to maximize the distance where we will hit our target *without* shot correction. Never Said I Didn’t Know How To Use One.”, My Medic 25% Off For Emergency Preparedness Month, New Shooter Essentials: A New Shooters Buyer’s Guide, Dry Fire Discussion: More than Just Snapping In, How to build an AR-15 Lower Receiver: A Step by Step Visual Guide, Maximum Hangtime: Getting the Most Out of your AR15 Zero, The Ultimate Guide to the AR15 Iron Sights Ver 1.1, AR15 Buyer's Guide 2020: Simple Steps for Buying the Best AR15. if it was then the platform should have a mil dot with calculations for a specific round. I feel what a lot of people are missing here is this system really came into light when we got into red dots in the military. If each rifle setup is unique, then can we do better than a “vanilla” zero for each rig? In other words, I can hold the same sight picture at 50 yards as I do at 100 yards. To all the F-tards who continuously preach “You will not be able to justify a self defence beyond XXX yards….”, please shut up already. To me, it’s understanding how you would take the shot, how far you can shoot flat if needed and trajectory. good job! Strelok has a wonderful tool built in that lets you calculate the maximum point blank range right in the app and is a powerful tool. But, unless you are shooting larger (relative term), which is outside the defensive shooting example above, is there a real advatage? 75………………………….+ 0.6 So aiming at a steel circle, you would have to hold off of the target. 200 yard zero should allow for a near dead on hold on a coyote out to 300. If i Had the opportunity to study rifle methods and check hit ratios in a controlled setting I would jump at the chance, but for now this seems as close as I can get to best practice methods with my current AR15 rifle setup. So I went to a rather busy range last Wed. and decided to set my 300 yard target at 400…read more →, Today was my first day at the range with my simulated 300 meter target. 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. Click. The Myth: A 25-yard zero puts you “dead-on” at 100 yards.I’ve listened to some pretty amazing ballistic theories over the years but this one is probably the most common. Look at your knee. . Horse-shoes & handgrenades… ... 50 PM Re: Whats a good site in distance (zero) for a .22-.250?? With a 50 yard zero in a 20-inch rifle, shooting XM193, you can expect a bullet apex (aka maximum ordinate) of flight to be close to 2 inches (by my calculations) and then it falls back to cross your line of sight again at 225 yards. 25 / 250 zero method, check out the best zero I should use one... Step back, but not everyone can too close… well then you likely got head-shot. Mpbr is in the same yardage of BDC for varying bullet weights and powder etc... 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