We've got you covered. Nothing I can do about it. Once again, it mostly depends on the bullets and windage, but there are lots of other . Copyright 2023 National Rifle Association, Women On Target Instructional Shooting Clinics, Volunteer At The Great American Outdoor Show, Marion P. 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The correct name for the cartridge, as listed by the Sporting Arms and Ammunition Manufacturers' Institute (), is 270 WSM, without a decimal point.It is a member of the Winchester Short Magnum family of cartridges. Or should I just knock my zero down to 2 inches high? Introduced in 1965 with the .444 Marlin cartridge, the Model 444 was the most powerful lever action of its day. During the spring conservation order, you can hunt with outfitters from Arkansas to Saskatchewan. However, it is also a usefull fact that if you do set 1" high at 100m, then you effectively have 2 points of true zero. is third in line behind .270 Winchester and .270 Weatherby Magnum for the trio of .270 commercial What you get with the .270 WSM is about 150-200 fps more than you get with the standard cartridge. 1531.3. But you won't know for sure if it is dead on at 200 yards unless you shoot your rifle at that distance. Photo Gallery See all Photos So the WSM has an edge, albeit a slight one. On larger grain such as 150 can produce very fast kills on targets as big as Elk up to 280 yards out before a drop-off is noticed. Then it's just a matter of a little hold at 200 and less or more. Plenty of room for error. Now when you go back to Georgia swamps, you might consider re zeroing at 100 yards for making head shots at shorter ranges. V-MAX . 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. The .270 Winchester Short Magnum (270 WSM) was designed in 2002 by Winchester. This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. Perhaps more interesting, is that a 50 yard zero doesnt even come close to providing a decent secondary zero at 200 yards. You effectively shoot most of your deer with an unzeroed rifle! Ammo2U.com ~ As a participant in the Amazon Associates program and other affiliate services, I may earn a small amount of money if you buy something after clicking on a link. Input your hunting conditions to see the drop, drift, bullet trajectory, velocity, and energy in easy-to-read ballistics charts and graphs. I sighted in my new rifle today--a .270 WSM A-Bolt Stainless Stalker. | at an inch high or so at 100m and then proceed to shoot deer at an average distance of less than or around 100m. The .270 win is an great short to long range medium to large game cartridge that can really benifit from a bit of trajectory calculation like we have provided. .475 Nitro Express Number 2, .32 Smith & Wesson Long, .32 H&R Magnum, .32 Short Colt, .577 Nitro Express 3-Inch, .350 Remington Magnum, .444 Marlin, .500 A-Square, .32 Auto (7.65mm Browning), .300 Remington Short Action Ultra Magnum, .460 Smith & Wesson, .500 Jeffery, .300 Winchester Short Magnum, .325 Winchester Short Magnum, .30-30 Winchester. The Federal Ballistics Calculator lets you quickly determine the trajectory for any rifle or handgun load, and save data for an unlimited number of loads. 270 Winchester 300 Winchester Magnum 300 AAC Blackout 30-30 Winchester 30-06 Springfield 308 . 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. For example, assuming we can consistently shoot 1 MOA groups with rifle and cartridge at 250 yards the smallest engage-able target with the 75 grain load would be about 4.63 (2.13 for trajectory deviation plus a 2.5 group size) in diameter. The 130 and 150-grain slugs are the most popular choices for the .270, with some 140-grain offerings splitting the difference. 150 yard zero on mine. 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. There is a very good selection of bullets in .270 caliber, ranging from about 90-180 grains. #1. Drop at extended distances. I would say, "Why zero a .270 for less than 200 yards? WSL. so any thing up to 200m you dont have to think about hold over. Bottles & 12-oz. Recently got into a discussion about different zero distances that included the topic of the 50/200 yard zero distance for riflescopes. 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. I think its important to note that its harder to find shooting ranges with rifle shooting lanes that go out beyond 100 yards. 0.8 " high at 100 yds. Can Coolers | An Official Journal Of The NRA, Find More Great NRA Publications Perfect For Every Interest, Discover Everything That The NRA Has To Offer. Semi-automatic and striker-fired, the P320-XTEN is extremely accurate, easy to shoot even with powerful 10mm loads and holds 15-plus-one rounds. During the spring conservation order, you can hunt with outfitters from Arkansas to Saskatchewan. Copyright 2004, 2016 by Chuck Hawks. It in no way increases the amount you pay and helps us stay in business. 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 . 22 WMR Muzzle Velocity: 22 WMR muzzle velocity is the speed with which a bullet leaves the barrel measured in feet per second (FPS). . Other riflemen who routinely hunt areas where shots of 300 yards or more arent uncommon sometimes opt for a 200-yard zero. I did take the .270 WSM out yesterday in some pretty bitter temperatures and snow. The trajectory path at 50 yards is 1.2 inches high, at 100 yards the bullet is 2.9 inches high, at 200 yards 2.3 inches high and at 300 yards the bullet only drops 3.8 inches. 1492.5. I was about 2.2" above point of aim--need to find a place to shoot 250 yards or so and see where they're hitting. For most rifles, a 25- to 28-yard zero (depending on the calibers velocity and bullets BC) will maximize its point blank range. 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. This system maximizes the distance in which no "hold over" is necessary. Whats best for you pin on or hold over your choice mine are pin on at 100 but have swaro bt so no guessing. This 270 ballistics chart shows 130 grain SuperX Power-Core 95/5 hollow point rounds with a 100 yard zero. (FT/LB)310526162195Drop (Inch)/0-2.3 Our . With heavy (150 grain) bullets the difference is about 100 fps, hardly enough to place the WSM in a different league than the original .270 Win. That would put the bullet roughly two feet high at 300 and 400. As a rule the faster the muzzle velocity the shorter the bullets time in flight and therefore a flatter trajectory and less drop. But it does use the terms in a way that is contradictory in the final paragraphs. 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. 275 to 300m give it 2moa on turret or reticule, 2" high @100yrs =200yd zero and approx 10" drop @ 300yd. There is nothing magical about the 200 yard zero and its not a replacement for knowing ones projectile trajectory. Note: A full length article about the .270 WSM can be found on the Rifle Cartridges page. Norma ballistic calculator online is very handy. Freedom addict. He promises not to tell you about stuff thats dumb. Copyright 2000-2023 24hourcampfire.com, Inc. All Rights Reserved. Please know that we only recommend products we trust and have used ourselves. The difference is not, however, extraordinarily dramatic. Primer Size: Large Rifle. When comparing two loads with identical bullets (Hornadys 145-grain Precision Hunter ELD-X), the .270 WSM is 130 fps faster than the .270 Win. It will a produce a line graph showing the bullet drop and flight path of the bullet. To go to 200 yards with a 50 zero you need 26 MOA of adjustment upwards With a 130 grain bullet and a 26-yard zero rifle, you get a 6-inch hit zone from 300 yards, while the bullet will hit around 1.5 inches high at 100 yards. First, zeroing a rifle a 50 yards doesnt mean we magically get a second zero at 200 yards. Power points went into about 1.14" right at my aim point. The .270 is one of a family of Weatherby Magnums which share a 2.545" (64.64mm) length case. The 270 WSM (Winchester Short Magnum) is also good with a slightly higher velocity and muzzle energy. 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. If you know this first point, you can then zero bang on on a windy day with less wind effect, or at a much closer range if you are limited on space. You would think the popularity of the .270 wouldve spawned a ton of competing cartridges that fired .277-inch bullets. 270 Win Ballistics Chart Coefficient GunData.org. There are a number of relatively inexpensive factory loads for the .270 Win. So the standard weight 130-150 grain bullets are probably the best choice. . How to Sight in a Scope - Step by Step Guide. Most calculation use 6 inch diameter or larger. As for my semi 5.56, I keep them all at a 200 yard zero. Clearly, the .270 WSM will make an exemplary long range cartridge and it is suitable for consideration as an all-around caliber for thin skinned game. Right now it's hitting 2" high at 100 yards, directly above my aim point. For most of them it ranges from 1.1 to 1.5" high at 100 yards. This is the reason that the .270 has not been a true long-range choice, in the modern sense of the term; the twist rate wont stabilize the heavy-for-caliber, high Ballistic Coefficient bullets that long-range shooters want. Core-Lokts, but I have some Winchester Ballistic Silvertip 130 gr. Read on for his take on this Thai-inspired fusion dish. Were not shooting for accuracy in a war, we are shooting to kill. 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. Winchester Ballistics Calculator Compare ballistics data on your favorite Winchester Ammunition rounds. Copyright GunData.org 2015 | Koenig Media, LLC | Links | Sitemap | Advertise. Again, we see that using a 200 yard zero doesnt guarantee an exact second zero at 50 yards. But at 400 yards the difference is less than two inches. Full Member. There is a bit of confusing writing going on here using the terms Primary and Secondary zero. weight of the rifles has also been reduced to 24 inches, but still maintains similar wound penetration Maximum Cartridge Overall Length: 2.860 Inches. The drop data confirms that .300 WinMag has a flatter trajectory than the 6.5 CM, but not quite as flat as the .338 LM at extended distances beyond 500 yards. 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. Vortex Long Range Ballistics Calculator. First is the trajectory deviation between 50 and 200 yards is much narrower when using a 200 yard zero. As with most of the Weatherby line of cartridges, the .270 gained a small but staunch following which has . A Match-Grade Rifle Primers: Are They Better and Worth the Extra Expense? Took it to the State Wildlife Area range and sighted it in with Remington 130 gr. Firing 130 grain bullets at between 3250fps and 3300fps, the .270 WSM is capable of delivering high shock for impressively fast killing out to ranges of around 300 yards along with clean but sometimes slightly delayed killing out to 400 yards. I have a .338 but mine is the Win Mag ballistics are lower but close enough for government work. . 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. 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. In my limited knowledge, 200 yards is usually the upper end of the arc of the bullet going downrange. 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. 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. 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. At 500 yards the .270 Win. Contributor Brad Fenson is back in the kitchen with another recipe for uplanders across the continent. And so on. Originally chambered in the Model 54, the .270 Win. Jul 13, 2016. Kimber's Hunter Pro Desolve Blak takes the firm's more affordable mountain rifle to new heights. 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. 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. No worry, theres a better zero anyway. Unless I misunderstood, which is quite possible. I've already ran my load work up through JBM ballistics. The muzzle energy of this load is 3,096 ft. Super X Power Points. Most .270 barrels use a 1:10 twist-rate, which generally precludes bullets weighing more than 150-grains. The .270 Win. . But after 203 yards it falls below the 6-inch vital zone. 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. While I think the 50/200 yard zero has its merits, I think a lot of folks hold it in very high regard while also holding some misconceptions about it. of energy remains. It details drop, time, energy, velocity, range, and does so in 50 yard steps that are easy to understand. This site uses Akismet to reduce spam. 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. Compare all .300 ammunition manufacturers on one easy to read chart. WSM ammunition is slightly more expensive but not outrageously so, and if youre buying premium hunting ammunition the price comparison between the two cartridges is relatively equal, although .270 Win. Input your hunting conditions to see the drop, drift, bullet trajectory, velocity, and energy in easy-to-read ballistics charts and graphs. After approximately 500 yards, wound channels become proportionate to the expanded bullet. Better yet at just 100 yards and with a 1.5" sited in at 100 yards the bullet will have dropped .0004 of an inch. 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? You might be wondering what a 50/200 yard look like if we use a different rifle and cartridge? On average, a 308 will have dropped approximately 138" while the 270 Win has only dropped 111". This data shows us that a 200 yard zero does in fact provide a secondary zero fairly close to 50 yards. Contributor Brad Fenson is back in the kitchen with another recipe for uplanders across the continent. 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. targets as big as Elk up to 280 yards out before a drop-off is noticed. The flattest-shooting cartridges land their bullets nearly three feet low at 500 yards, when the rifle is zeroed at 200. I sighted in my new rifle today--a .270 WSM A-Bolt Stainless Stalker. All data created using our free ballistic calculator. Powered by UBB.threads PHP Forum Software 7.7.5. Your mileage may vary. That 130-grain spitzer load, when zeroed at 200 yards, hits 6.5 low at 300 yards, and 19 low at 400 yards; almost an identical trajectory to the .300 Win. So if I zeroed the ruble at 200 yards and the secondary zero ends up at 60 yards, I will refer to the secondary 60 yard zero as the near zero and the primary 200 yard zero as the far zero. If your .270 Win isn't close to these specs, or if you are a sniper or just someone who is into long range shots you may want to take this a step further and use our ballistic calculator to create a custom 270 ballistic chart to take into account variances like atmospheric conditions and angles. Uncle Zo publishes his own opinions for informational and entertainment purposes only. THE 200-YARD ZERO. lbs., and at 300 yards 1964 ft. lbs. 2 football fields are end to end. drops about 3.5 inches more than the short mag at 500 yards. Targets at a 100 yards would get a slightly high impact. This cartridge has 0.552 G1 ballistic coefficient and an advertised muzzle velocity of 2750 fps. I followed the directions like ma pappy told me. Wind Components are (Miles per Hour): DownRange: 0.0 Cross Range: 10.0 Vertical: 0.0. The velocity increase comes via a powder capacity that is 5 to 6 grains greater. With an Accu-Fit stock and left hand adjustable bolt, this rifle is a perfect choice for anyone! Joined: Sep 2007. The table below will include drop data using a 50 yard zero, a 200 yard zero, and 100 yard zero for comparison. Several forums had posts swearing that at 50 yard zero was the absolute best because it always gave you the same point of impact at 200 yards and therefore one could easily engage targets up to 200 yards (and even a bit further) with it without giving much thought to making adjustments. Calling and shooting predators is one of the things that helps hunters get from the end of the fall seasons to when the turkeys start gobbling. The 270 WSM Over short distances under 400 yards, there is very little difference between the trajectories of the 308 and the 270. The bullet does not drop below the speed within . Can Coolers | An Official Journal Of The NRA, Find More Great NRA Publications Perfect For Every Interest, Discover Everything That The NRA Has To Offer. The new Sako Finnlight II sports an innovative stock and Cerakote metal paired with the terrific 85 action. This system maximizes the distance in which no "hold over" is necessary. drops about 3.5 inches more than the short mag at 500 yards. OConnorwho would become a staple in Outdoor Life, and the gun industry as a wholetook the new cartridge and had all sorts of good adventures. Last edited: Feb 3, 2015. takbok Well-Known Member. Liberty junkie. 270 WSM 145 gr ELD-X Precision Hunter Item #80558 | 20/Box . Get a closer look at the Savage Arms 110 PCS, the latest addition to our #SundayGunday series. So what does the charting of the 270 Winchester's external ballistics tell us exactly? 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. The .270 Winchester has an advantage in velocity over the 6.5 Creedmoor, though it's worth noting that we are comparing a 130 grain .270 with a 143 grain Creedmoor. IMR 4350 was the most accurate powder tested with this bullet weight.
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