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. They are stating the bullet is going 3150fps. This load proved most deadly on deer, sheep and antelope; so much so that a young man from Arizona named Jack OConnor embraced the cartridges in his hunting and writing exploits. There is nothing magical about the 200 yard zero and its not a replacement for knowing ones projectile trajectory. 1531.3. Photo Gallery See all Photos So the WSM has an edge, albeit a slight one. Your mileage may vary. First is the trajectory deviation between 50 and 200 yards is much narrower when using a 200 yard zero. 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. Dimensionally, the .270 shows its lineage by sharing the same 0.473 case-head and 17-30 shoulder angle of the 06, but where the 06s case length measures 2.494, Winchester designed the .270 case at 2.540, so it wouldnt chamber in a .30-06 Springfield. Subscriber Services. Re: Zero range for a 338? It in no way increases the amount you pay and helps us stay in business. 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. 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. (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. 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. A few inches makes no difference. Grain Weight: 150. 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 .300 Weatherby Magnum has a longer case length of 2.825" (71.76mm). But, design arguments aside, theres no denying that the .270 has been getting the job done for over 90 years, with very few complaints. .270 Winchester,
Scott Rupp gets a chance to talk to Aaron Oelger about a few new products from Hodgdon and why reloading store shelves are empty. I think its important to note that its harder to find shooting ranges with rifle shooting lanes that go out beyond 100 yards. targets as big as Elk up to 280 yards out before a drop-off is noticed. Input your hunting conditions to see the drop, drift, bullet trajectory, velocity, and energy in easy-to-read ballistics charts and graphs. Top 10 6.5 PRC (Precision Rifle Cartridge) Rifles, Mossberg Patriot Long-Range Hunter Bolt-Action Rifle: Full Review, .45-70 vs .450 Bushmaster Cartridge Clash, 10 Great .22 Mag Bolt-Action Rifles Right Now, Wilson Combat Paul Howe Tactical 6.5 Creedmoor: Full Review of the Versatility Champ, 10 Best 6.5mm Rifle Cartridges Available Right Now, Remington .50-70 Rolling Block History: New York's Pick to Arm Its National Guard, Kimber Hunter Pro Desolve Blak - A Lightweight Heavy Hitter, Browning BLR Lightweight '81 Stainless Takedown Lever Rifle, Mossberg Patriot Predator 6.5 PRC Rifle Review, Review: Springfield Armory M1A Loaded Rifle in 6.5 Creedmoor, RCBS ChargeMaster Lite Review: Not 'Lite' on Ability, Remington Model Seven SS HS Bolt-Action Rifle Review. I followed the directions like ma pappy told me. the bullet's trajectory. Give a Gift
Norma ballistic calculator online is very handy. Send more rounds. 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. Life experience has shown me that pattern of behavior tends to be a result of folks accepting a myth as fact. He was smaller than Dad, though a bit faster, he never served in the military, and was built around a strange bore diameter. Last edited: Feb 3, 2015. takbok Well-Known Member. Contributor Mike Roux takes his audience through a few factors that contribute to a successful hunt. Accuracy and terminal performance are the cornerstones of Hornady Precision Hunter factory loaded ammunition. The table below will include drop data using a 50 yard zero, a 200 yard zero, and 100 yard zero for comparison. 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. 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. 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. Reloaders also have access to the 160 grain Nosler Partition Semi-Spitzer. Can anyone kind of break it down as far as how much this might decrease holdover? 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. 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. The muzzle energy of this load is 3,096 ft. It was a practical, but not mathematical zero. In the. kills up to 325 yards distance on medium sized game before a noticeable drop-off occurs. 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. This places that same .270 bullet 0.4 inches low at 25 yards, 1.41 inches high at 100 yards, 2.51 inches low at 250 yards and finally slips below the 6 inch vital zone at 257 yards. The .270 is one of a family of Weatherby Magnums which share a 2.545" (64.64mm) length case. But you won't know for sure if it is dead on at 200 yards unless you shoot your rifle at that distance. . Again, we see that using a 200 yard zero doesnt guarantee an exact second zero at 50 yards. 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. 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. 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. Ever have someone suggest to zero your rifle at 50 yards because that will provide a secondary zero at 200 yards? Like any .270 Magnum, the WSM version has too much powder capacity for the light 90-120 grain bullets. "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. GMX 83274 3250 2849 2482 2144 1834 1557 1290 991 753 561 411 296 -1.5 1.4 0 -7.1 -21.8 -47.0 AG 223 Rem 55 gr. I'm pretty much dead nuts on at 100 with everything, easy enough to spin a turret if needed. Below are several 270 WSM ballistics charts from a few different ammo manufacturers to include Federal Premium, Hornady, and Remington. This calculator will produce a ballistic trajectory chart that shows the bullet drop, bullet energy, windage, and velocity. 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. So with a 200 yard zero, a hunter can hold dead on from 0 to 257 yards and kill the animal, assuming he does his part and fires an error-free shot. But many hunters dont have the luxury of zeroing at 200 yards. Posts: 79. Core-Lokts, but I have some Winchester Ballistic Silvertip 130 gr. lbs., and at 300 yards 1964 ft. lbs. The 270 WSM can produce kills on medium sized game up to 300 yards with 130 grain rounds before penetrating wound performance is noticeable. 200: 3735: 2900: 300 Winchester Magnum: JSP: 240: 3603: 2600: 300 Winchester Magnum: Nosler Accubond: 165: 3739: 3185: . With this load, the .270 WSM generates roughly 250 additional foot-pounds of energy over its competitor at the muzzle when both cartridges are fired from 24-inch barrels. You would think the popularity of the .270 wouldve spawned a ton of competing cartridges that fired .277-inch bullets. Select Your Gun Type Centerfire Handgun Centerfire Rifle Handgun Hunting Handgun Target/Defense During the spring conservation order, you can hunt with outfitters from Arkansas to Saskatchewan. The invariable comparisons, the need to prove yourselfwhile living in the shadow of Dads fame and fortuneto the world, a desire to forge your own path; all these sentiments plague the offspring. Most manufacturers put their 500-yard trajectory at -35 to -40 inches. Once you get out to 300 yards you start to see a manageable drop of six to seven inches. JBM says for a 100 yard zero: 25 yards - -1.8" or -.5 mil (for elevation scope adjustments) . so any thing up to 200m you dont have to think about hold over. A popular site says with 165gr 3" high at 100 is 3.5" high at 200. The point blank range for a deer, for example, is generally regarded as six inches. 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.) Mag. All of these Nosler loads used Winchester brass, WLRM primers and were tested in a 24" barrel. I check my sights at 100m and the point of impact will be 1.25" high. Winchester Silvertip, 130gr. loads to try next time. Being the son of a very successful father is no easy task. The fifth edition of the Nosler Reloading Guide shows that 59.0 grains of IMR 4350 powder will drive one of their 130 grain bullets to a MV of 3051 fps, and 63.0 grains of the same powder will give a 130 grain bullet a MV of 3294 fps. Consequently, in conversations I most often use the terms near and far zeros. 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. bullets that the 6.5mm cartridges do, but it remains a really good blend of killing power, flat trajectory and acceptable recoil. Does this change if the same rifle is zeroed at 200 yards? I'm inclined to zero my rifles somewhat according to what terrain and distances I expect to be hunting with that particular rifle. With bullets of 130 to 140 grains, the .270 WSM will buy you between 150 and 200 additional feet per second of velocity. I am not bashing at all. 0.8 " high at 100 yds. 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