If you are an inch high or low, or to the left or right, you will be way off at longer range, and it defeats the whole purpose of zeroing in at such a specific range. 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. any major problems. Thank you for this. 150 yard zero on mine. The Bolt 223, I zero at 100 and dial from there, CK_32 Saving Ryans Privates. Give a Gift
How to Sight in a Scope - Step by Step Guide. The advertised ballistics of the .270 WSM (Winchester Short Magnum) fall between the ballistics of the standard .270 Win. This bullet has a sectional density of .298 and is shorter than a spitzer bullet of the same weight. lb Muzzle Velocity ft/sec. The 270 WSM can produce kills on medium sized game up to 300 yards with 130 grain rounds before penetrating wound performance is noticeable. 270 WSM 145 gr ELD-X Precision Hunter Item #80558 | 20/Box . I did take the .270 WSM out yesterday in some pretty bitter temperatures and snow. 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. 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. Red Oak, White, or Chestnut for Deer Herd? . Maximum Cartridge Overall Length: 2.860 Inches. HP 80237 3240 2802 2405 2042 1713 1429 1282 959 . with a 180-grain bullet. Photo Gallery See all Photos So the WSM has an edge, albeit a slight one. But you won't know for sure if it is dead on at 200 yards unless you shoot your rifle at that distance. Heres how to avoid the poseurs and choose the right one. 275 to 300m give it 2moa on turret or reticule, 2" high @100yrs =200yd zero and approx 10" drop @ 300yd. Does this change if the same rifle is zeroed at 200 yards? Originally chambered in the Model 54, the .270 Win. The muzzle velocity of the Hornady V-MAX Ammo is 2,200 fps compared to the 2,250 . Using ballistic software downloaded from Remington.com, I manipulated the zero range input data until it was optimized for the greatest point-blank range. So, zeroing at 200 gives you the true 'zero' of the path of the bullet height. Part # F270WSMFS1. Fusion Rifle 270 Win Short Magnum. There are some interesting and important differences between a 50 yard zero and the 200 yard zero also highlighted by this additional data. Nothing I can do about it. 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. Your mileage may vary. Winchester factory ballistics quote a muzzle velocity of 3275 fps for the .270 WSM shooting a 130 grain Ballistic Silvertip bullet in a 24 inch barrel. So what does the external ballistic data show us? I sighted in my new rifle today--a .270 WSM A-Bolt Stainless Stalker. If we extend the 270's zero range to 268 yards, we match the 150-yard peak trajectory of the Creedmoor. 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. |
This has helped make the 270 WSM popular in
bullets that the 6.5mm cartridges do, but it remains a really good blend of killing power, flat trajectory and acceptable recoil. Re: Zero range for a 338? This means that with a 26 yard zero, I can hold dead-center of a deers vitals and kill it cleanly from 0 to 310 yards without adjusting my hold. Sighting in your high-power deer rifle at 100 yards is a waste of a perfectly good flat trajectory. 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. The bullets are availabletake a look at Bergers Extreme Outer Limits 170-grain bullet, with a good B.C.and the cartridge certainly has the moxie to drive them, but they would need a 1:8.5 or faster twist rate to stabilize them. Minuteman. . But at 400 yards the difference is less than two inches. Copyright GunData.org 2015 | Koenig Media, LLC | Links | Sitemap | Advertise. Clearly, the .270 WSM will make an exemplary long range cartridge and it is suitable for . Cartridge Type: RifleHeight: 2.1"Width: 0.535"Average FPS: 3238Average Energy: 3166Average Gr: 136Recoil: 2Power Rank: 4.4 of 20. So what does the charting of the 270 Winchester's external ballistics tell us exactly? 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 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/, .300 Winchester Magnum for Long Distance Shooting, Aero Precision 6mm ARC Upper Receiver (and M4E1 Lower), Hornady Precision Hunter 143 Grain 6.5mm Creedmoor ELD-X, Holosun 507C X2 with the ACSS Vulcan Reticle. 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. The graph shows that your .270 Win. Most factory ammo has a zero of 100 or 200 yards. Select Your Gun Type Centerfire Handgun Centerfire Rifle Handgun Hunting Handgun Target/Defense The projectiles fall just below the
Feb 3, 2015 #3 . He is not a professional hunter, survivalist, self defense instructor, firearms instructor, or competitor. 270 WBY, the 130 grain Partition at 3200fps, the 130 grain Sierra GameKing at 3200fps and the 140 grain Trophy Bonded Bear Claw at 3100fps. 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. Hey fellas, zeroed my little 270 in this morning. Scott Rupp gets a chance to talk to Aaron Oelger about a few new products from Hodgdon and why reloading store shelves are empty. 56.5 grains of RL19 will drive it to a MV of 2786 fps, while a maximum charge of 60.5 grains of RL19 will yield a MV of 2975 fps. 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. lbs., and at 300 yards 1964 ft. lbs. 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 . Send more rounds. At 250 yards, it will impact 6 inches below the point of aim, (three inches out of the vital zone.) You might be wondering what a 50/200 yard look like if we use a different rifle and cartridge? Bottles & 12-oz. Muzzle Velocity: 3060. According to a 2008 Remington catalog I have, this would mean that I'm zeroed for that load at about 250 yards. HSM loads a 130 Berger VLD. 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. 3,250 ft/s (140 gr), 3,136 ft/s (150 gr). Grain Weight: 150. Use this ballistic calculator in order to calculate the flight path of a bullet given the shooting parameters that meet your conditions. Drop at 200 yards with a 20-grain bullet is just 4.1 inches, compared to 10.7 inches with the same bullet out of the .17 HMR. There is a chance my use of this terminology is not the accepted use by most folks. For most rifles, a 25- to 28-yard zero (depending on the calibers velocity and bullets BC) will maximize its point blank range. As you can see, the 200-yard zero is very effective, and if your target range will accommodate it, great. But, design arguments aside, theres no denying that the .270 has been getting the job done for over 90 years, with very few complaints. Please know that we only recommend products we trust and have used ourselves. Again, we see that using a 200 yard zero doesnt guarantee an exact second zero at 50 yards. "Why zero a .270 for less than 200 yards?" That lets you be no more than 1.5 inches high or low out to about 240 yards, with standard 130-gr rounds. Therefore, with a 26-yard zero, you can hold on the target and expect to hit a 6-inch vital zone from 0 to 310 yards. I've already ran my load work up through JBM ballistics. My Nightforce has the HV reticle that is designed to be zeroed at 200. . 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. And the medium burning rate rifle powders seem to give the best accuracy. Core-lokts, the Winchester 130 gr. Beth Shimanski of Savage introduces their all new straight-pull rifle. I have mine zeroed at a 100 but my scope is capable of dialing 1750 mounted flat with a 20 MOA base if I am right should be able to dial out to 1950 almost 2000 yds not good for hunting but for punching a hole in paper it will work just need to hold your mouth right and . Power points went into about 1.14" right at my aim point. But for decades only one other commercial .270 hunting cartridge was released: the .270 Wby. 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. is most definitely a contender for the Best Deer Cartridge crown. 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. 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. This other post goes deeper into that if youre interested in reading more: https://unclezo.com/2020/11/26/different-zeros-for-different-heros/. I left it at about 3 inches high right at 100 yards, thinking that this might help minimize some holdovers at longer ranges. Though I was raised to be a .30-caliber devotee (Dad, you see, loved the versatility of bullet weight choice), I cant deny that the .270 Win. Most scopes should zero and have enough adjustment left. 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. 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. 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. 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. Read on for his take on this Thai-inspired fusion dish. I followed the directions like ma pappy told me. You are using an out of date browser. At 500 yards, the .270 Winchester drops 3.5" more. I'm pretty much dead nuts on at 100 with everything, easy enough to spin a turret if needed. Ballistically, it falls in line with a whole class of moderately fast calibers. 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. It's a 168gr pet load. 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. Fired a sighter and then shot a 3 shot group of .536" with the Remington 130 grain factory Core-lokts at 100 yards. With bullets of 130 to 140 grains, the .270 WSM will buy you between 150 and 200 additional feet per second of velocity. Its called point-blank range, and to maximize it you should alter your sight-in range for a particular load, rather than letting your traditional sight-in distance dictate your rifles zero. Medium to slow burning propellants are the usually selected for the .270 WSM. 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). 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