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. 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. Now when you go back to Georgia swamps, you might consider re zeroing at 100 yards for making head shots at shorter ranges. JBM says for a 100 yard zero: 25 yards - -1.8" or -.5 mil (for elevation scope adjustments) . 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? 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. Likewise, ammunition for the .270 WSM is less likely to be found on every store shelf, but its relatively widely available, and many sporting goods storeseven relatively small storesoften stock .270 WSM. Your mileage may vary. Enter your email address to subscribe to this blog and receive notifications of new posts by email. Drop at extended distances. This gives me a lot more confidence in engaging targets up to 200 yards without making elevation adjustments. Note: A full length article about the .270 WSM can be found on the Rifle Cartridges page. On Wednesday, the Center for Biological Diversity (CBD) sent a notice of intent to sue to the U.S. Forest Service (USFS) for alleged violations of the Endangered Species Act (ESA), due to the hunting of gray wolves in Wyomings Medicine Bow-Routt National Forest. of energy remains. Mag. My elevation is between 7,800-12,500 feet the trajectory is a tad different than sea level so I don't go buy what the manuals say I find the drops on paper at the range. (Another great website for finding maximum point-blank range is ShootersCalculator.com.) There are lighter choicesthe 90 and 100-grain bullets that make the .270 a viable coyote rifleand some heavier bullets, but above 150-grains things get tricky. It will a produce a line graph showing the bullet drop and flight path of the bullet. Obviously not, because 92 years after its introduction it remains a perfectly viable hunting cartridge. 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. Yet, he was of the new mind set, the one that believed in high velocity and flat trajectories. Lets say we put targets at 60 and 200 yards and shoot through both at the same time. Read on for his take on this Thai-inspired fusion dish. A more subtle, but also interesting thing to note, is that we do get a secondary zero around 60 yards when using a zero distance of 100 yards albeit its not a very usable secondary zero. And so on. so any thing up to 200m you dont have to think about hold over. with muzzle velocities of 3,100 and 2,970 fps, respectively. My 140 gr load drops 33 inches at 500 Yards with, a 200 yd zero and is producing 1.25 inch, 200 yard groups for me. HSM loads a 130 Berger VLD. This cartridge has 0.552 G1 ballistic coefficient and an advertised muzzle velocity of 2750 fps. A larger diameter extends the MPBR. You have the same bullet make a hole in both bullseyes at 60 and 200 yards. Re: Zero range for a 338? 5 in Shooting Angle: 0 Wind Speed: 0 mph Wind Angle: 90 Zero Range: 100 yd Medium to slow burning propellants are the usually selected for the .270 WSM. lbs., and at 300 yards 1964 ft. lbs. Thats my current opinion (which is outdated after looking at more zero distances and the maximum point blank range concept covered in this other post) based on analyzing a bunch of external ballistic data like the data presented in this post. Perhaps more important is the .17's ability to resist the wind, which has always been one of the weaker qualities of the Hummer. 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. 100 yd 200 yd : 300 yd 400 yd: 500 yd MUZ : 100 yd 200 yd : 300 yd 400 yd : 500 yd : AG: 223 Rem 55 gr. Of course, 270 WSM Ballistics: This 270 Winchester Short Magnum ballistics chart shows Hornady 130 grain GMX Outfitter loads: This 270 WSM ballistics chart shows 150 grain Federal Fusion: Bullet Diameter: .277 Inch. Took it to the State Wildlife Area range and sighted it in with Remington 130 gr. Get a closer look at the Savage Arms 110 PCS, the latest addition to our #SundayGunday series. In the WSM .270 fans found a short, powerful, efficient round that could be housed in compact, lightweight short-action rifles and which edged closer to 7mm Rem. Sierra ballistic coefficients: . Copyright GunData.org 2015 | Koenig Media, LLC | Links | Sitemap | Advertise. But for decades only one other commercial .270 hunting cartridge was released: the .270 Wby. . The flip side to this is a much wider trajectory deviation beyond 200 yards. Recoil 1 MOA at 200 yards is ~2.10. The .270 WSM is a very accurate round, has a thick tough casing, modern Ackley type 35 degree shoulder, 130 and 140 grainer's fly like a Lazer beam. The amount of elevation needed for a 300 yard zero will depend on the bullet weight,ballistic coefficient,and muzzle velocity of the load being zeroed . And the short case of the WSM calibers works against the heaviest (long) bullets. Almost a 10 MOA spread with 1080 FPS 40 grain.. Not too bad. (adsbygoogle = window.adsbygoogle || []).push({}); .270 Winchester Short Magnum-Nosler AccuBond, .270 Winchester Short Magnum-Federal Nosler Partition, .270 Winchester Short Magnum-Federal Trophy Bonded Tip, .270 Winchester Short Magnum-Federal Barnes Triple-Shock X-Bullet, .270 Winchester Short Magnum-Winchester Ballistic Silvertip, .270 Winchester Short Magnum-Winchester AccuBond CT, .270 Winchester Short Magnum-Federal Barnes Tipped Triple-Shock, .270 Winchester Short Magnum-CorBon DPX, .270 Winchester Short Magnum-Winchester Ballistic Silvertip, .270 Winchester Short Magnum-Federal Nosler Partition, .270 Winchester Short Magnum-Federal Nosler AccuBond, .270 Winchester Short Magnum-Federal Nosler Ballistic Tip, .270 Winchester Short Magnum-Winchester XP3, .270 Winchester Short Magnum-Winchester XP3. But with the technique mentioned above, you can simply aim for an animals vitals out to 300 yards and concentrate on a smooth trigger pull. Fusion Rifle 270 Win Short Magnum. They are stating the bullet is going 3150fps. With a 200-yard zero, the older .270 Win. In the. 0.8 " high at 100 yds. I never did the math, and thanks to you, I dont have to. All rights reserved. This probably the second most common zero distance for a riflescope next to the proverbial 100 yard zero that is often vehemently defended as the ultimate zero distance. The .300 Weatherby Magnum has a longer case length of 2.825" (71.76mm). But you won't know for sure if it is dead on at 200 yards unless you shoot your rifle at that distance. 3,250 ft/s (140 gr), 3,136 ft/s (150 gr). The flattest-shooting cartridges land their bullets nearly three feet low at 500 yards, when the rifle is zeroed at 200. The .270 Winchester Short Magnum (270 WSM) was designed in 2002 by Winchester. Please know that we only recommend products we trust and have used ourselves. Joined: Sep 2007. I much prefer to zero bang on at 100m which is a good average shot range. Cartridge Type: RifleHeight: 2.1"Width: 0.535"Average FPS: 3238Average Energy: 3166Average Gr: 136Recoil: 2Power Rank: 4.4 of 20. This helps make it popular for high velocity kills with out having Freedom addict. Learn how your comment data is processed. Heres how to avoid the poseurs and choose the right one. Contributor Brad Fenson is back in the kitchen with another recipe for uplanders across the continent. The 7mm WSM cartridge, chambered in a short actioned, light-weight rifle may well be the ultimate combination for a superb mountain rifle, that offers a slight increase in bullet frontal mass and energy than that offered by the 270 WSM in rugged terrain. (Thats missing the 6-inch circle, 3 inches below the center, or point of aim.) Right now it's hitting 2" high at 100 yards, directly above my aim point. Primer Size: Large Rifle. 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. HP Match : 80237 3240: Dont worry, Uncle Zo only writes about, and promotes, products or services that hes personally purchased, used, and believes in. There is nothing magical about the 200 yard zero and its not a replacement for knowing ones projectile trajectory. 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.) Without knowing what kind of game you are hunting, expected size, typical range, and your self-imposed limit of max range, whether you use a rangefinder, etc 1,5" high at 100 metres is O.K. So, if were left with a cartridge that uses bullets between 90 and 150-grainsand uses them wellis that such a bad thing? The first number is the value of this cartridge, and the last number is the value of the most powerful round in our bullet database. That bullet will only fall 3" when fired. Were not shooting for accuracy in a war, we are shooting to kill. Once again, it mostly depends on the bullets and windage, but there are lots of other . Fledgling hunter. It is based off a .300 WSM parent case by narrowing the neck to fit a .277 inch (7mm) bullet. When I learned the 50/200 it was for M4 and or carry handle iron sights and then Red Dots. Minuteman. The 270 WSM With a 200-yard zero, the older .270 Win. As an example, lets use a very common hunting round, a .270 Win., loaded by Remington with a 130-grain Premier Accutip boattail bullet that has a .447 Ballistic Coefficient (BC). drops about 3.5 inches more than the short mag at 500 yards. .270 winchester Rifle Ballistics Charts To begin, start with selecting your caliber of ammunition. Ever heard a broken clock is right twice a day? Bottom line is 50/200 yard zeros are very usable for many applications. I didnt notice the ambiguous terminology until you pointed it out. It was advocated as hold on the nose POA and your POI would never be under the chin or over the head from contact shot to 200 yards. The Bolt 223, I zero at 100 and dial from there, CK_32 Saving Ryans Privates. Lets find out. But, design arguments aside, theres no denying that the .270 has been getting the job done for over 90 years, with very few complaints. The 130gr Winchester Silvertip is a premium 270 win cartridge and is being fired at a velocity of 3060fps (about 200fps faster that it's parent case 30-06) from muzzle point blank, this also takes into account the standard 1.5" scope height, and a gun that has been sighted in at 100 yards. For 150 grain bullets the Nosler figures are 54.0 grains of IMR 4350 for a MV of 2813 fps, and up to 58.0 grains of the same powder for a MV of 2992 fps. The 150-grain loadmoving at a muzzle velocity of right around 2825 fpsgives a bit more drop with the same zero, dropping 7.5 at 300 and 22 at 400 yards. The scope (line of sight) is mounted 1.5 inches over the middle of the bore. Its almost like the folks believed the 50/200 yard zero granted any rifle or cartridge mystical powers to get a good enough hit on any target up to about 250 or 300 yards. Units of Measure Ammunition Inputs Load Type Caliber Bullet Style Bullet Weight (grains) Muzzle Velocity (fps) G1 Ballistic Coefficient Firearm Setup Sight Height (in) Zero Range (yd) How to Sight in a Scope - Step by Step Guide. There are some interesting and important differences between a 50 yard zero and the 200 yard zero also highlighted by this additional data. Red Oak, White, or Chestnut for Deer Herd? 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. But it does use the terms in a way that is contradictory in the final paragraphs. For a better experience, please enable JavaScript in your browser before proceeding. Perhaps more interesting, is that a 50 yard zero doesnt even come close to providing a decent secondary zero at 200 yards. There are plenty of ballistic charts for firearms to establish a 200 or 300 yard zero with a specific caliber and bullet weight. launched a 130-grain bullet at a muzzle velocity of 3140 fps. Liberty junkie. He promises not to tell you about stuff thats dumb. . I think it depends at what range you shoot most deer at. The size and At 250 yards, it will impact 6 inches below the point of aim, (three inches out of the vital zone.) Photo Gallery See all Photos So the WSM has an edge, albeit a slight one. 1531.3. loads are typically a few cents cheaper per shot. To show viewers how to succeed at long range, J. Guthrie gears up for a challenging shot while chasing Colorado pronghorn at long range with DPMS' Panther 6.5 Creedmoor. All data created using our free ballistic calculator. The 130 grainers shot the best (.91 and .97" groups about 1.75" above point of aim) while the 150 gr. Other riflemen who routinely hunt areas where shots of 300 yards or more arent uncommon sometimes opt for a 200-yard zero. During the spring conservation order, you can hunt with outfitters from Arkansas to Saskatchewan. So, zeroing at 200 gives you the true 'zero' of the path of the bullet height. Does this change if the same rifle is zeroed at 200 yards? 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 rifle and cartridge and is superior to zeroing at a fixed distance like 200 yards. J. Scott Rupp takes a first look at the Springfield M1A Loaded rifle chambered in the popular 6.5 Creedmoor. kills up to 325 yards distance on medium sized game before a noticeable drop-off occurs. To get started, click the link below to visit mymagnow.com and learn how to access your digital magazine. Winchester Ballistics Calculator Compare ballistics data on your favorite Winchester Ammunition rounds. Recently got into a discussion about different zero distances that included the topic of the 50/200 yard zero distance for riflescopes. 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. 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. Below are several 270 WSM ballistics charts from a few different ammo manufacturers to include Federal Premium, Hornady, and Remington. Originally chambered in the Model 54, the .270 Win. Generally, a 300 Win Mag's 150 grain bullet delivers a 3,260 fps muzzle velocity, while its 180 grain bullet achieves approximately 3,000 fps. With an Accu-Fit stock and left hand adjustable bolt, this rifle is a perfect choice for anyone! Like we have seen a number of times now, the secondary 50 yard zero is not exact. Knowing this first and closest point can be very useful! If youre using the two cartridges at ranges less than a quarter-mile, the trajectory difference is negligible, but the .270 WSM does have the advantage of utilizing a shorter action than the .270 Win. I sight in for dead on at 200. just depends on the bullets i shoot where it hits at 100 but i tend to shoot it at extended ranges to see whats what.. Let's take 700 yards for example. Of all the Springfields children, the .270 has had the most successthough it can be argued that the .280 Remington, with a better selection of bullets, is a more useful design. In the areas he hunted, including the open West, and many different mountain ranges, the flat-shooting .270 made all sorts of sense. is even more effective today than it was in OConnors day. 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