All three cartridges used a 100 yard zero. Lets explore that using the external ballistics data of a bolt action rifle chambered for .30-06 Springfield with a sight height of 1.5 shooting a 178 grain ELD-X Precision Hunter cartridge from Hornady. Dont worry, Uncle Zo only writes about, and promotes, products or services that hes personally purchased, used, and believes in. The big difference is the 243 slug will be carrying 247 f.p. Once his daughters were able to go hunting, he relearned why he love hunting so much. Frankly, he is an amateur at best. TNGunOwners.com Sighting in at the elevations I suggested would put you in a 6 inch kill zone out to about 285 yards. And so on. This weight is more appropriate for whitetail deer and other small-medium sized game. That 58gr load has a muzzle velocity over 800fps faster than the 55gr 223 Remington . A variation of this measurement by as little as .25" can make a big difference at 300 yards. Jul 13, 2016. The .270 will impart more energy at every distance, but it's worth noting that comparable bullets travel on a similar path. i was useing 55s in the estate rifle when zero 1 inch high at 100 they where spot on at 2 and about 4 inch drop at 300 (truth be told more like 3inch), you will burn your barrel faster for liitle or no depending on what you look at balistic gain. So even if you put your reticle's 200-yard drop marker right on his heart, you're going to hit more than four inches low. Apr 14, 2009. Read More 6mm ARC Ballistics. With a 100 yard zero for a .243, youd think that things would get better and youd be wrong. Im going to start this exploration with what I consider a very common setup: an AR-15 chambered for 5.56 NATO with a typical sight offset of 2.6 and zero distance of 50 yards. But this doesnt mean you shouldnt be aware of exactly where your zero point is adn the drop off at differnt distances and the realtion of the drop to your reticle (if you haev markers or mildots). Zeroed at 100 with 100 grain prvi's I'm getting around 2" drop at 200 yards and around 9" at 300 yards. In 1984, Winchester began to produce rifles chambered for cartridge, legitimizing Waters dream, and establishing it as a commercial cartridge. Developed in 1976 by Ken Waters as a wildcat cartridge, the 7-30 Waters is based on the .30-30 Winchester necked down to 7mm to improve velocity and trajectory, with a significant drop off in felt recoil. In other words, if you hold dead center on the vitals, your bullet can be 3 inches high or 3 inches low before it slips out of the vital zone. Burris combines two hunting gear essentials into a single unit with the new Signature LRF 10x42 rangefinding binoculars. Red Oak, White, or Chestnut for Deer Herd? Context matters. I setup all my rifles to shoot 1.5" high at 100 yards, So, the simple answer is that with a 50 yard zero you will be good out to about 230 yards. One can argue that more whitetails are engaged within the 50- to 150-yard distances and the 150- to 230-yard ranges. Regarding kinetic energy, this is one of the most powerful .270 loads you can buy, delivering 1,000 ft-lbs more than two of the three .243 loads listed above. Save. The graph shows that your .270 Win. Popular among metallic silhouette and long range shooters for its low recoil and high accuracy. Starting at 2700 and 2600 fps respectively, their velocities maintain about 100-200 fps difference all the way out to 1000 yards. Dec 1, 2016. May 3, 2011 in Bullets, Cartridges and Reloading. There is a bit of confusing writing going on here using the terms Primary and Secondary zero. if you want to put some money on the table mate,I may be at Bisley on the 15th if I can get someone to look after my pups,were shooting 100 300 and 600, it wasn't me who claimed such, its quite possible to post results here though so please do the above - but i supose its not a real comp just a few mates hey, Pigeon Watch Ltd. Some of the links below are affiliate links, which means we will earn a commission on the products or services you purchase using the links. And I guess when your life depends on rifle accuracy, you learn how to make a rifle accurate. You are using an out of date browser. Ever heard a broken clock is right twice a day? This bullet really performs well up to 200, 250, and even 300 yards having a drop of just 2.7" (2 and 1 half inches) at the 200 yard mark. As a few have said head shots are not ideal I'd suggest if its the only shot you take then get a lurcher as you will need it at some point to clear up the mess you get yourself into. The Ballistic Coefficient for the .243 Winchester 95gr is 0.40 (in this example). When bullets drop 4 inches below POA, you've reached your MPBR. Balistic program data is never ever gospel though it only starts the dope data gathering process the "old fashioned way" as you put it is always essential. At 250 yards, it will impact 6 inches below the point of aim, (three inches out of the vital zone.) Best thing about 55 grn 6mm bullets is they are great fun for shooting up old oranges from the fruit bowl. The 243 Win delivers substantially less recoil and a flatter trajectory. For a better experience, please enable JavaScript in your browser before proceeding. The 243 Win is an exceptionally accurate round, in part because its low recoil prevents flinching. Which one is Primary and which is Secondary zero now? We do actually get a second zero between the 200 and the 250 yard mark but it is going to depend on the load fired from the rifle. Even if you reload, common calibers still make things easier. I tend to think of the primary zero as the distance the rifle was sighted to and the secondary as the other distance at which the bullet meets the line of sight which could be before or after the primary (or confirmed) zero. Just make sure to know your drop if shooting over 2. Notice that the cluster shrinks on each target as the velocity increases. Magnum Velocity - Cartridges with a muzzle velocity of approximately 3,000 feet per second. But the following examples will illustrate why thats not a great zero for a rifleman who wishes to be able to take shots quickly, without calculating, from point blank to nearly 300 yards. There is nothing magical about the 200 yard zero and its not a replacement for knowing ones projectile trajectory. 243 | 230 | 207 503 435 340 1230 1 1156 1095 1 1004 900 1 936 | 910 863 1450 1 1346 1 1252 1106 1090 1 1048 11013 954 . Maximum 2000 meters; Minimum 0. You will set your new target to 50 yards. .300 Winchester Magnum for Long Distance Shooting, Giving the ACSS Vulcan Dot on the Holosun 507K a Fair Shake, Holosun 507C X2 with the ACSS Vulcan Reticle. The official minimum connection time at FRA is 45 minutes. A heavier bullet delivers greater energy upon impact at the expense of faster bullet drop which is nothing skilled marksmanship can not accommodate. Balistic program data is never ever gospel though it only starts your dope data gathering process the "old fashioned way" as you put it is always essential. Mag., and the more recent 6mm Creedmoor, 27 Nosler, and 7mm Remington Ultra Magnum, the drops are even greater. Bullet Diameter: Caliber: Cartridge / Bullet Bullet Manufacturer: Bullet Description Muzzle Velocity . When I learned the 50/200 it was for M4 and or carry handle iron sights and then Red Dots. High neck is the best considered small kill zone, brain shooting deer is very unreliable as the brain is small and the head quite big . The Best Self Defense Ammo Ballistic Testing. Edit - the 6 inch low is what I experience with my BLR 243. The final 223 Remington ballistic chart shows 64 grain Winchester SilverTip rounds with a 100 yard zero. Claimed. God knows why, I always go for the heart at that distance and very rarely miss it, so the head should be on, I'm just not easy with it! Don't expect each ammo to act the same. The TGO state flag logo and the TGO tri-hole "icon" logo are trademarks of Tennessee Gun Owners. It details drop, time, energy, velocity, range, and does so in 50 yard . at about 325 yards. At zero yards your rounds will hit about 2 inches low because of your offset, or the distance between the height of your sights in relation to the bore. Zero magnification. on a personal note and from experience with 243s and AI I alwasy zero at 200 yards,although I only use a 70 to 80 gr bullet,if you use a ballistic program correctly IE putting real time data into it,bullet weight,bullet BC,FPS,scope higth above bore ect ect,the good programes like Exbell will give your optimun zero range in my case its 214 yards to hit a 2 inch target, it amazes me how many people "set up at 1 inch high" at 100 yards and havnt got a clue where the bullet will hit after that distance,there is no way on this planet a 243 shooting a 100gr bullet set up 1 inch high at 100 yards will only drop 2 inch at 200 yards, if you havnt got access to a chrono or a proper ballistic programe why not test the old fashioned way by setting target boards up at various distances as its no good guessing when shooting living animals, if anyone has there data I can run the numbers on exbell just to show whats really happening. American Buffalo Knife and Tool Co. is adding to its line of Roper Knives with the new Sunset Series Tumble Weed. Here is a link to a program that will give you all the tragectory info you need. For most big-game rifles, a 200-yard zero makes sense. Are You Mentally Prepared To Defend Yourself? Open now : 09:00 AM - 12:00 AM. 1" high at 100 yards. At 200 yards it would be low by 4 inches. And at that distance, youd better be looking at a broadside animal thats not moving, because the kinetic energy of your 100 grain .243 bullet is down to 880 ft. lbs. Zero, practice and load develop at 200y. Not what were after. The Primary zero is actually at 60 yards since that is the first place at which the bullet crosses the line of sight and the Secondary occurs at 200 yards but since the target was placed at the latter point; we reverse the terms? 9588 0 obj <>/Filter/FlateDecode/ID[]/Index[9566 34]/Info 9565 0 R/Length 107/Prev 365971/Root 9567 0 R/Size 9600/Type/XRef/W[1 3 1]>>stream One must take barrel twist into account depending on the type of 243 Win cartridge that is fired. At 25 yards, a 100 grain, 2960 fps, .243 bullet will have a maximum point blank range of 296 yards and hit roughly 3 high (2.7) at 100 yards. A Also as stated, with a 200yd zero the bullet is approx 1.5" high at 100. Copyright GunData.org 2015 | Koenig Media, LLC | Links | Sitemap | Advertise. then actually try changing your hold on a zeroed rifle from a hard to medium then free recoil. Consequently, in conversations I most often use the terms near and far zeros. Thanks for the feedback. Redding Reloading Equipment has added a New 3-Die Set for the 300 HAMRa bottleneck cartridge based on a modified .223 Remington case necked up to 30-caliber. But many hunters dont have the luxury of zeroing at 200 yards. Zero distance is setting your sights or scope crosshairs so that your point of aim is the same as your bullets point of impact at a given distance to your target. Initial POA/POI is at 36 yards, but now, the difference is .5 inches at the 50. More than six decades on the market means a great variety of rifles available. Copyright 2023 National Rifle Association, Women On Target Instructional Shooting Clinics, Volunteer At The Great American Outdoor Show, Marion P. 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But it does use the terms in a way that is contradictory in the final paragraphs. at 150 a 100yds zero is only going to be around 1" low remember and will only drop another 2" or so- your doubling or more the drop that would be expected. Winchester brought us .243 Winchester as a caliber for varmint hunting and target shooting. The best zero distance for a .243 Winchester is 25 yards. What about a 100 yard zero on a .243? Uncle Zo publishes his own opinions for informational and entertainment purposes only. Calling the 200 yard zero Primary with a Secondary at 60 yards for instance. Since then, he's taught them everything he learned from his own father about hunting and why hunters hunt. Hudson Yards Bar, Lounge & Dining. Hi folks. The table below will show the drop experience by a couple of different 5.56 NATO loads in 50 yard increments out to 300 yards. Twist Rate's Impact on Ballistics Does this change if the same rifle is zeroed at 200 yards? Plenty good enough for boiler room shots but if I was to contemplate head shots at 100 yds I would reset the scope to be spot on at that distance. This chart does not account for atmospheric conditions, so if you want to take in to effect these things check out the calculators official page. 243 Winchester ~ 90 Grain ~ Trajectory Chart. 95 gr. hbbd```b``6@$6>}LH m d`% n`t69,"$T@5o*I&3] mU My technique for shooting is to zero at 26 yards (if using the .270 noted above), then shade slightly low (an inch or two) when shooting at 100 yards, and hold slightly high at 300. Competitive gunslinger. I'm Steve. However, this requires using a chronograph to get an accurate velocity reading and a ballistic calculator to determine the expected trajectory deviation at 50 yards. Find out which caliber you should buy first. As for the trajectory, with a 100-yard zero, the bullet drops -2.4 at 200, -9.5 at 300, and -21.9 at 400. http://www.federalpremium.com/products/details/rifle.aspx?id=8. Draw a dot on the head, aim at that and shoot it. Perhaps the best performing 6mm Fox bullet is the Hornady 75 grn v-max, it is close to as flat as the faster 55 grn pill as makes no matter and takes significantly less wind out at 200 yds and further. Recently got into a discussion about different zero distances that included the topic of the 50/200 yard zero distance for riflescopes. It is possible to get pretty close to a 200 yard zero while using a rifle zeroing target at 50 yards. Zero Distance: 25 Yards: 25 Yards: Ballistic Coefficient.625.552: Altitude: 0 ft. 0ft. . At 25 yards your rounds will hit about 1 inches low, and then at 50 yards your point of aim will equal the point of impact. Originally, the East Alton, Illinois company made it available for Winchesters Model 70 and Model 88. Agree, both .223 and .243 1" high at 100yds. The trajectory of a 55gr .243 round at 4000 odd fps is very different to a 100gr at 3000 fps. 1" low is only possible if he has a very canted mount set up, though i doubt it still (but like most he has probebly never shot that sort of range much and it all is in his imagination). Next, let's look at 308WIN, same manufacturer, 150 grain FMJ. Especially if you zero at 50 yards. at 3,600 fps muzzle velocity. Bottom line is 50/200 yard zeros are very usable for many applications. At 25 yards, a 100 grain, 2960 fps, .243 bullet will have a maximum point blank range of 296 yards and hit roughly 3 high (2.7) at 100 yards. This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. He is not a professional hunter, survivalist, self defense instructor, firearms instructor, or competitor. So long as your target isn't much over 100 yards, that is. Sierra SBT GameKing 2960 I have been checking various ammuntion, store brands and handloads, in my SteyrMannlicher carbine and a friend's Merkel K1 Stutzen, both with 20-inch barrels. In all seriousness, zero your rifle at 100 yards, get a man size cardboard target and set it up at 200 yards and 300 yards. And thats a small enough margin for error to make quick clean kills on most North American big game. We recommend that you zero the firearm at 100 yards with standard velocity cartridges, this would provide bullet drop compensation for 200, 300, 400 and 500 yards using the respective ballistic circles as shown in the image on the next page.