Ever heard a broken clock is right twice a day? Next step is out to 50 yards. 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. Today, youll find the versatile 243 Win with a bullet in one of two weight classes: 55-85 grains, which is suitable for rodents up to coyote, and 90-115 grains, like 100 grain Remington Core-Lokt 243 ammo. in my local suppliers the difference between buying 20 100gr PRVI to 20 75gr rounds is 11.50 vs 38just doesn't seem worth almost 3 times the price. Or is Primary zero the the bullet touching the line of sight as confirmed on a target, regardless of first or second time crossing the line of sight? Again, we'll zero at 200. In this video, I continue to see what the 350 Legend is capable of. If we examine the ballistics data for a 400-yard or longer shot, the bullet trajectory starts to become a significant factor. You would need to pack some sort of powder into a 243 case to get a 100gr bullet to go quick enough to only drop 2inchs at 100yds surely. Place a dime-sized spot on the target and do not deem your rifle good until the bullet actually punches that dime on a consistent basis. He is not a professional hunter, survivalist, self defense instructor, firearms instructor, or competitor. TNGunOwners.com (TGO) is a presentation of Enthusiast Productions. 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. You have the same bullet make a hole in both bullseyes at 60 and 200 yards. The Ballistic Coefficient for the .243 Winchester 95gr is 0.40 (in this example). Select Your Gun Type. . because zeroing at 1" high at 100 is easier than zeroing at 217 yards 7inches ive always zeroed all my rifles 1"high at 100 yds , no mater what the calibre ! think i am talking pants? Thank you for this. We all settle for the shot we are happy with and I haven't taken a 200 yard headshot at any deer ever. But I like to stay with the 6-inch rule of thumb because is allows for some shooter error, an occurrence that youd be naive to assume doesnt happen while in field positions shooting at wild game. There is no best sight-in range for everyone, because the range at which hunters expect to shoot their quarry differs considerably. A heavier bullet delivers greater energy upon impact at the expense of faster bullet drop which is nothing skilled marksmanship can not accommodate. The flat trajectory of the .243, combined with a very light recoil reduces trigger flinch, allowing more accurate shots in the split seconds it sometimes takes to get off a round. Based on a necked down 308 Win case, the 243 Win offers lighter bullets, higher muzzle velocities, and less muzzle energy than its predecessor. A .243 is flat at 200 yards, but at 500 yards the bullet will drop . 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. .243 round the Winchester Ballistic Silvertip, 95gr external ballistics tell us exactly? Uncle Zo publishes his own opinions for informational and entertainment purposes only. . A few inches makes no difference. 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. Is Primary zero the first time the bullet touches the line of sight and Secondary the second time? Why? The only way to learn all this is get out and shoot in those conditions, theorising and guesswork is all well and good but tends to make you look a fool out in the field, hey before anyone talks balistic programs these are off the top of my head SWAG calcs based on unknown bullet etc. This is not optimal for that cartridge or bullet however. Camo Crew is compensated for referring traffic and business to these companies. Although based on the 308 Win, the 243 Win differs substantially from it. Maybe this is what he meant, as opposed to actually beng bang on. 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! MPBR goes down to around 225 yards, at which point the point of impact is -4.0 which is beyond our +-3 impact for a 6 target rule to find our MPBR. Sighting-in a hunting rifle to hit a certain number of inches high at 100 yards (or 100 meters) maximizes the point blank range of the . Does this change if the same rifle is zeroed at 200 yards? think i am talking pants? 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. after all they use the same ammo, because they don't shoot from a rail rest for one thing, there are more though. Ho,hum sort of blows your previous views apart about group 2" group sizes for deer though don't it as that way is amounting to 4" I think what your forgetting in the above though is the bullet that is set 1" high at 100 will drop about 3" through its trajectory but that still leaves it 2" low @ 200 (3" drop at 200yds is about were your balistic program will put a 100 grn bullet from a 100yds zero). don't meet that standard. 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. Which one is Primary and which is Secondary zero now? 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 . Its also apx 3 - 4 inches low at 300 yards which is bang on my next mark down on my Bushnell Elite reticle. Thanks everyone. Frankly, when I hear folks parrot the exact same praise for anything I start suspecting something might be awry. For a 200 yard zero, we know that this trajectory will produce a far-zero in which the bullet will cross the line of sight at 200 yards in its downward travel from the maximum ordinate. So, pretty universally, shooting 100 grain ammunition and using it to hunt for deer, the best zero for .243 Winchester rifle would be 25 yards. Firstly head shots! Just read something in which Jack O'Connor recommended sighting in at 25 yards, suggesting that typically (eg, .30-06, 180 grain, let's say.) With a .243, 1.5" to 2" high at 50 yards should put you in the ballpark at 200 yards using 100 grain bullets. Hudson Yards Bar, Lounge & Dining. And so on. As you can see, that lightweight 58gr 243 Winchester has by far the flattest trajectory of the group and has about 10 less bullet drop at 500 yards than the flattest shooting 223 Remington load. This is the site where we share all of that hard-earned hunting info. While the 200-yard zero does carry bullets to about 235 yards before they fall 4 inches from point-of-aim, it also puts 4.5 inches high at 100 yards to 125 yards. JavaScript is disabled. Rifle Trajectory Table. You need to know zero range, 1" high at 100 could be a long way off at 200!!!! NTX 83176 2050 1450 1070 145 72 39 -1 5 0 -156 Don't forget to get an accurate measurement of the height of the scope above the centerline of the bore. Here is a link to a program that will give you all the tragectory info you need. Plenty of speed to ensure full expansion of the bullet. Mag., and the more recent 6mm Creedmoor, 27 Nosler, and 7mm Remington Ultra Magnum, the drops are even greater. If you want to be accurate out to 500 yards, 3 inches high would be even better. In the west, the .243 along with its cousin the .308 is unparalleled at distances of 200 yards. 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. Lets take a look at what this popular deer and hog hunting round is capable of through an analysis of 243 ballistics. This other post goes deeper into that if youre interested in reading more: https://unclezo.com/2020/11/26/different-zeros-for-different-heros/. At the same, the secondary zero is much closer to the 50 yard mark when using a 200 yard zero in comparison to how close the secondary 200 yard zero was when using a 50 yard zero. In 1984, Winchester began to produce rifles chambered for cartridge, legitimizing Waters dream, and establishing it as a commercial cartridge. Hunter-ed.com. This graph illustrates that with a 100-yard zero, your bullet is on at 100 yards, then starts falling rapidly, and is 3 inches below the point-of-hold at approximately 200 yards. If you want to work it our properly, invest in one of the ballistics programs, input as much data as you can and see what the ballistic curve looks like. You still should get some range time on paper at that range to make final adjustments. Not generally used for self-defense. Click to share on Twitter (Opens in new window), Click to share on Facebook (Opens in new window), Click to share on Pinterest (Opens in new window), Click to share on LinkedIn (Opens in new window), Click to share on Mastodon (Opens in new window), Click to share on Reddit (Opens in new window), Click to share on Tumblr (Opens in new window), Click to share on Pocket (Opens in new window), Click to share on Telegram (Opens in new window), Click to share on WhatsApp (Opens in new window), Click to share on Skype (Opens in new window), Click to email a link to a friend (Opens in new window), which is outdated after looking at more zero distances and the maximum point blank range concept covered in this other post, Different Zeros For Different Heros - Uncle Zo, https://unclezo.com/2020/11/26/different-zeros-for-different-heros/. Thats interesting info kent, I have had a play with a few 75gr BT's and found them a lot flatter shooting, so I may just start playing around with themIf only PRVI made 75gr 243's! 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. You will set your new target to 50 yards. Different story. All three cartridges used a 100 yard zero. In order to hit a distant target a rifle must be correctly sighted-in, and to accomplish that the shooter must have some working knowledge of the bullet's trajectory. I found that by zeroing my rifle in at 26 yards, the .270 will deliver its bullet 2.81 inches high at 100 yards, 2.80 inches high at 200 yards and 2.12 inches high at 250 yards before finally falling out of the 6-inch vital zone at 310 yards. It makes it a lot easier to find ammo. So long as your target isn't much over 100 yards, that is. 0 How to Sight in a Scope - Step by Step Guide. Competitive gunslinger. A look at 243 Ballistics with information for some of the most popular 243 Winchester ammo loads available in the United States. Don't believe me? Penetration tests at 200 yards into ballistics gel shows 30 of penetration with the 160 gr Winchester Power . The best zero distance for a .243 Winchester is 25 yards. Funny thing is my 30-06 shoots about the same. #1. Steve has been a hunting junkie his entire life. So lets define some concepts first. Like i say though there are more reason why, but ballistic programs do not hold all the answers and to repeate myself aint "gospel" so your kind offer of help is unlikely to help someone who won't do it "the old fashioned way", Ho,hum sort of blows your previous views apart about group 2" group sizes for deer though don't it as that way is amounting to 4" I think what your forgetting in the above though is the bullet that is set 1" high at 100 will drop about 3" through its trajectory but that still leaves it 2" low @ 200 (3" drop at 200yds is about were your balistic program will put a 100 grn bullet from a 100yds zero). Depends on what round you're firing. Base of the neck or heart and lungs . Low recoil is the .243 Winchester's claim to fame, but vs the 6.5 Creedmoor's long range performance and wind-defying ballistic coefficients the 6.5 has become the new caliber darling of the day. We won't even bother with the .30/30 or .45/70. All six loads used a 200 yard zero. I have found the charted 3.3" drop to be about right. Meaning, across the board, almost nobody could get a repeatable zero at 200 due to the MOA of the irons, the size of the DOT, and/or shooter error. Drop continues beyond that to three hundred yards to 9.88 inches. That would put you on this table for the Remington Core-Lok: Range Drop Drop Windage Windage Velocity Mach Energy Time Lead Lead, (yds) (in) (moa) (in) (moa) (ft/s) (none) (ftlbs) (s) (in) (moa), 0 -1.5 *** 0.0 *** 2968.8 2.659 1956.7 0.000 0.0 ***, 25 -0.1 -0.3 0.0 0.2 2903.4 2.601 1871.5 0.026 4.5 17.2, 50 1.1 2.1 0.2 0.4 2839.1 2.543 1789.5 0.052 9.1 17.4, 75 2.0 2.6 0.5 0.6 2775.7 2.486 1710.4 0.078 13.8 17.6, 100 2.6 2.5 0.8 0.8 2713.2 2.430 1634.3 0.106 18.6 17.8, 125 2.9 2.3 1.3 1.0 2651.5 2.375 1560.9 0.134 23.5 18.0, 150 3.0 1.9 1.9 1.2 2590.8 2.320 1490.1 0.162 28.6 18.2, 175 2.7 1.5 2.6 1.4 2530.8 2.267 1421.9 0.192 33.7 18.4, 200 2.0 1.0 3.4 1.6 2471.6 2.214 1356.2 0.222 39.0 18.6, 225 1.0 0.4 4.4 1.9 2413.3 2.162 1292.9 0.252 44.4 18.8, 250 -0.4 -0.1 5.5 2.1 2355.7 2.110 1232.0 0.284 49.9 19.1, 275 -2.1 -0.7 6.7 2.3 2298.9 2.059 1173.2 0.316 55.6 19.3, 300 -4.3 -1.4 8.1 2.6 2242.8 2.009 1116.7 0.349 61.4 19.6, 325 -6.9 -2.0 9.6 2.8 2187.5 1.959 1062.3 0.383 67.4 19.8, 350 -10.0 -2.7 11.2 3.1 2132.9 1.910 1010.0 0.418 73.5 20.1, 375 -13.5 -3.4 13.1 3.3 2079.1 1.862 959.7 0.453 79.8 20.3, 400 -17.6 -4.2 15.1 3.6 2026.1 1.815 911.4 0.490 86.2 20.6, 425 -22.1 -5.0 17.2 3.9 1974.0 1.768 865.1 0.527 92.8 20.8, 450 -27.3 -5.8 19.5 4.1 1922.6 1.722 820.6 0.566 99.6 21.1, 475 -33.0 -6.6 22.0 4.4 1872.1 1.677 778.1 0.605 106.5 21.4, 500 -39.3 -7.5 24.7 4.7 1822.5 1.632 737.4 0.646 113.7 21.7. The 50 yard zero certainly works for quite a few applications and there are plenty of other zeros for other weapon system and target combinations. Uncle Zo sometimes publishes affiliate links and advertisements, which means that if you click on a link and buy something, Uncle Zo might receive a percentage of the sale, at no extra cost to you. That 58gr load has a muzzle velocity over 800fps faster than the 55gr 223 Remington . For example, if you hunt exclusively from a ridge top that overlooks a food source that is 150 yards away, you should zero for that distance. The flip side to this is a much wider trajectory deviation beyond 200 yards. The bullet does not drop below the speed within the max range specified. Sight in there with a .30-06 or a similar cartridge, and your bullet will stay within three vertical inches of point of aim out to 250 yards or so. 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. 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 You are using an out of date browser. When bullets drop 4 inches below POA, you've reached your MPBR. Save. Create Your Free Custom Ballistic Report A A .243 Winchester, Winchester Ballistic Silvertip, 95gr And I guess when your life depends on rifle accuracy, you learn how to make a rifle accurate. Camo Crew is a participant in various affiliate networks. However I have to say that I am not good enough to even consider head shooting deer. With this in mind I was having a chat with a fellow hunter on a cull earlier in the year, he was using 100gr softpoints and reckoned that zeroing at 1 inch high at 100yds would give him bang on at 200yds. The table below will include drop data using a 50 yard zero, a 200 yard zero, and 100 yard zero for comparison. 243 is QUITE capable out to 1k yards, maybe farther but at LEAST that much. The following ins a 500 yd 270 Win ballistic trajectory and drop chart that follows a 130gr Winchester Silvertip with a ballistic coeddicient of .337 from the time it exits the muzzle until it hits the 500 yard mark. The Basic start used by British snipers is to gather what is termed "real world" data 100 mtrs to 1500 mtrs then the same 100-1500 in yardage in thier log book for thier individual rifle and record it. And thats a small enough margin for error to make quick clean kills on most North American big game. 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. ok a lot depends on the setup but for the bullet traveling at a mv of 2950 thats a heck of a lot of drop over 50 yds. This cartridge launches the bullet at more than 3,000 fps with 2,400 foot-pounds of energy. What that means is,. At 55 grains, its bullet achieves 3,910 fps; at 100 grains, 2,960 fps. More than six decades on the market means a great variety of rifles available. After reading the post that was running on grouping and seeing the various arguements on 200yd zero it made me wonder what grain bullets others are shooting to zero at this range.My Remmy 700 has 9 1/8 twist and groups real well with 100gr bullets, I zero at 100yds as I need my gun to be very accurate ( head shots) around this range, further out would only be heart/lung shots, also I can estimate 100yds much better than 200yds. a Federal American Eagle 223 55gr FMJ factory load, zeroed at 200, has it's initial POA/POI at 44 yards.granted, not much difference at the 50 yard mark (.2 inches). Ever have someone suggest to zero your rifle at 50 yards because that will provide a secondary zero at 200 yards? In a factory rifle there is a wopping great jump for that 55 grain pill to reach the launds which is generally less than condusive to stunning accuraccy. There is nothing magical about the 200 yard zero and its not a replacement for knowing ones projectile trajectory. Whole different story if you bought separate tickets and had to claim your luggage at FRA. Gun will be about 6 inches low at 200. 9599 0 obj <>stream Trajectory for Custom .243 90 TGK #4103 AMMO at 3200 Feet per Second, Ballistic Coefficients of: 0.39 0.37 0.33 0.33 0.33, Velocity Boundaries (Feet per Second) of: 2720 2040 2040 2040, Wind Direction is: 3.0 oclock and a Wind Velocity of: 10.0 Miles per hour, Wind Components are (Miles per Hour): DownRange: 0.0 Cross Range: 10.0 Vertical: 0.0, The Firing Point speed of sound is: 1120.27 fps. 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. All in all this is a great round for deer and medium sized game up to around 200-300 yards. While having a chunky projectile is a nice improvement over the standard 5.56 cartridge, it does mean that you lose some muzzle velocity. Targets under 50 yards would get a slightly low impact. . Like i say though there are more reason why, but ballistic programs do not hold all the answers and to repeate myself aint "gospel" so your kind offer of help is unlikely to help someone who won't do it "the old fashioned way", sorry to disapoint you,I didnt say I group 2 inch at 200 yards I do that at 500 yards with my 243,enter the real time correct data into a good ballistic programme your either bang on the money or a little fudging of the bullet BC to compensate, the old fashioned way is alwasy best to final test your data, no ballistic programmes dont hold all the answers you have to feild test as well,put **** in and get **** out, sorry to disapoint you I didnt say I group 2 inch at 200 yards I do that at 500 yards with my 243,enter the real time correct data into a good ballistic programme your either bang on the money or a little fudging of the bullet BC to compensate, the old fashioned way is alwasy best to final test your data, ah, is this why the MOD do it wrong because you say so and so does you computer. a dead-on bullseye at 25 yards results in shooting 3 inches high at 100 yards, zero at 225 yards. A heavier bullet delivers greater energy upon impact at the expense of faster bullet drop which is nothing skilled marksmanship can not accommodate. This increases my margin of shooting error, while allowing me to not have to calculate or hold off the animal at 300 yards. A 200 or 300 yard zero will include adjustment for drop, environmental conditions, as well as a correction for any wind. This gives me +1.5" at 100 yds. First is the trajectory deviation between 50 and 200 yards is much narrower when using a 200 yard zero. endstream endobj startxref giving you a 4 inch kill zone. hbbd```b``6@$6>}LH m d`% n`t69,"$T@5o*I&3] mU Ballistic Charts & Data June 30, 2021 March 15, 2023. hb```". ea$z%3lp!"=4t;N04nR``XLk(+tdg8$u!#m;?4T D!A(c.NV'5,YYaLc bW)O$,X!Z iF btzS&BU1 | You will shoot 3-5 bullets at the target and examine your results. These corrections will include altitude, barometric pressure, temperature etc. In the example shown, the .243 user can shoot upto 244 yards It is possible to get pretty close to a 200 yard zero while using a rifle zeroing target at 50 yards. I didnt notice the ambiguous terminology until you pointed it out. Your mileage may vary. 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. Zeroed at 100 with 100 grain prvi's I'm getting around 2" drop at 200 yards and around 9" at 300 yards. Since then, I've taught them everything I learned from my father about hunting and why we hunters hunt. 48. Trajectory in Inches MUZZLE | 100 YDS 1 200 YDS 1 300 YDS 0.0 | -1.2 0.01-6.71 0.01 -1.2 -7.9 -25.9 -7.9 Trajectory in Inches 100 YDS YDS 1300 YDS 1400 1 500 YDS Product SKU E223M1-20 To explain if we both shot equally as good with the same individual gun yet it was zeroed by just one of us at 100 yds although our groups might be equal our precise zero point wouldn't be and this would also show / reflected in our individual trajectories. This is what we mean by "flat shooting." 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. Magnum Velocity - Cartridges with a muzzle velocity of approximately 3,000 feet per second. I would like to try a 55gr round to see how it performed between 50-300 for foxing but I don't reload and they just don't seem to be commonly available around here. Bullet Diameter: Caliber: Cartridge / Bullet Bullet Manufacturer: Bullet Description Muzzle Velocity . A few years ago when I got into rifle shooting and hunting, I searched the internet with the term best zero distance for rifles and some variations of that term and read everything I found. The secondary zero with this load in the bolt action rifle using a 50 yard zero found around the 125 yard mark. Hi folks. link to 6.5 Creedmoor VS .308 Winchester (Ballistics and Accuracy), Step 1 Install your rifle scope properly and securely, Step 2 Adjust the scope to the proper eye relief (distance from your shooting eye to the rear of the scope), Step 3 Make sure the rifle and crosshair reticle are level, Step 5 Fire a 3-round group at 25 yards to find your starting point of impact, Step 6 Adjust the scope settings to move the point of impact to zero, Step 7 Fire 3 more rounds at 25 yards to test, Step 8 Adjust the scope settings again if need be, Step 9 Fire another 3-round group at 100 yards, Step 10 Fine tune the scope crosshairs to make the bullet point of impact 2.7 at 100 yards. So many hunters zero their rifles at 100 yards that its almost become standard practice. So from 0-300 yards, for instance, we aim at the dead center of the kill zone on a deer, and no matter how far it is away, well hit the vital areas. 243 Winchester ~ 90 Grain ~ Trajectory Chart. Long story short, when setting up your rifle . . Stick with me here, because sighting in any rifle is not trivial and there are some concepts that you need to understand. The 243 Wins muzzle velocity hinges on its bullet weight. Plenty of room for error. What about a 100 yard zero on a .243? But many hunters dont have the luxury of zeroing at 200 yards. http://www.federalpremium.com/products/details/rifle.aspx?id=8. Zeroed at 100 yards, the bullet will impact .76 inches low at 25 yards (this is just fine for hunters), and will be 2.98 inches low at 203 yards. It also maintains enough kinetic energy (killing power), to remain an ethical and effective deer hunting bullet at that distance. Meanwhile, back in our real world where most of us shoot "flat shooting" rifles like .243 Win., .270 Win., 7mm Rem. Review. After all, this is the distance that most rifle ranges are geared to let you practice. TBRW - 200 Yard Zero TBRW Group. 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. After reading the post that was running on grouping and seeing the various arguements on 200yd zero it made me wonder what grain bullets others are shooting to zero at this range.My Remmy 700 has 9 1/8 twist and groups real well with 100gr bullets, I zero at 100yds as I need my gun to be very accurate ( head shots) around this range, further out No national military has ever designated the 243 Win for service, although the LAPDs SWAT unit did implement it during their infancy. Notice that the cluster shrinks on each target as the velocity increases. The opinions expressed on TGO are those of their authors and do not necessarily reflect those of the site's owners or staff. Larger 243 Win bullets generally offer sectional densities just greater than .200, which is considered adequate for ethical kills, yet its high accuracy permits surgical shot placement that mitigates the suffering game must endure. even if your expected quarry will be inside that 90% of the time. So when I go to hunt at a different location, different altitude, or different temperature, I may no longer be zeroed. It may not display this or other websites correctly. 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. . .243 Winchester, 492. Claimed. 200 Yard Zero. Agree, both .223 and .243 1" high at 100yds. 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. All data created using our free ballistic calculator. Best thing about 55 grn 6mm bullets is they are great fun for shooting up old oranges from the fruit bowl. to 139-grain 7mm. Powered by Invision Community, http://www.federalpremium.com/products/details/rifle.aspx?id=216. A variation of this measurement by as little as .25" can make a big difference at 300 yards. With a 25 yard zero, out to 300 yards, the .243 doesnt travel above or bleow your line of sight by more than 3. The graph shows that your .270 Win. 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. .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. Enter your email address to subscribe to this blog and receive notifications of new posts by email. Next, let's look at 308WIN, same manufacturer, 150 grain FMJ. Simply its all in the wording, on the quick look I've just had setting up an inch high at 100 effectively gives you a 170 yard zero. 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. An elks vital zone is larger of coursewell say 8 inches. shoot at 50 feet to get it on bull. The following is a ballistic chart/table that details drop, velocity, energy, and time for a common .243 round the Winchester Ballistic Silvertip, 95gr. I use 95gr and zero at 200 yds. Winchester Ballistics Calculator. 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.
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