All were tested for trajectory, wind drift, effective range, and recoil with modern ballistic software available free online from shooterscalculator.com. The cartridges are in the dry and I don't have to fumble with wet or cold fingers to load an extra round. Before the .270 WSM, the most notable cartridge with performance exceeding that of the .270 Winchester, in the .277 bore size, was the .270 Weatherby Magnum. vs. .300 Win. 7mm Bullets . is beginning to assert its trajectory superiority here with a 5-inch advantage over the .270 … That 7mm Weatherby Magnum cartridge is a real powerhouse. That’s because my concentration is elsewhere. While I don’t have access to the official sales numbers, according to Weatherby, Roy’s .300 Weatherby Magnum is the most popular of the bunch. of energy at the muzzle, it is far ahead of the .30-06 Springfield and .300 H&H Magnum. I don't see any practical advatage to 270, 7mm, or for that matter 300 mags unless you'e shooting heavier bullets...than you can see some differences vs 270, 280, or 30-06. Both the .270 and 7mm mag. 28 Nosler Brass.280 Remington Brass.280 Ackley Improved Brass Mag. ... 270 Weatherby Mag Ammo. The cartridge is short enough to function in standard-length long actions with a brass length of 2.549" or 64.74mm and an overall length of about 3.295". The .270 WBY Mag is an excellent round, but by no stretch of the imagination is it superior to the 7MM Rem Mag. The .270 Weatherby Magnum was the first belted magnum based on the .300 H&H Magnum to be developed by Roy Weatherby in 1943. vs. .28 Nosler vs. 7mm RUM. Like the .270 Weatherby Magnum—released 60 years prior to the .270 WSM—it betters the velocity of the .270 Winchester, but I’m not certain that the increased velocity is necessarily required. Mag., the new .28 Nosler, and the over-the-top 7mm RUM—a shoot-off to find the best. November 25, 2019. The ballistic performance based off four grains for velocity is 3,528 ft/s (110 gr), 3,338 ft/s (130 gr), 3,… 28 Nosler Ammo. The old 7mm Rem. Mag. Stretch out to 400 yards—not uncommon in mule deer country—and the differences are beginning to add up, but the drop difference between the .270 Win. The Ultimate Guide to … Field & Stream may receive financial compensation for products purchased through this site. Ideal for long-range, medium size game. The 7mm Weatherby has almost identical case capacity to the 7mm Remington Magnum. Violate this principle by, for example, chambering a lightweight, short action rifle for a powerful Magnum cartridge like the .300 WSM and the result will be a dramatic increase in kick. My choice The 7mm Weatherby is tightly shoe-horned between the .270 Weatherby and the venerable .300 Weatherby. .270 versus 7mm Rem Mag. As far as ballistics and performance are concerned, the 270 Weatherby Magnum is about equal to the 7mm Remington Magnum, and quite close to the 7mm Weatherby Magnum. If you have a firearm related question, please register and post it on the forums. I believe that the .270 WSM has been successful because it performs at a level somewhat above that of the .270 Winchester (when fired from a 24" barrel), although it falls well short of the .270 Weatherby. Mag. the 7mm rem mag is just about usless, its to short, compair a 7mm rem mag to a 280 rem, they have nearly identical ballistics, the 7mm isnt worth the extra weight, or recoil, get the .270 wby, that is a very good round, far superiour to the remington. The .300 Weatherby Magnum is a fast, hard-hitting cartridge, driving a 180-grain bullet to a muzzle velocity of 3250 fps, for over 4,000 ft.-lbs. The 7mm Weatherby Magnum is a centerfire rifle cartridge. used the 7mm alot from the 80s and for me it was a pretty hard kicker not much less than a .300 Win Mag. A Bonnier Corporation Company. ken And, on the cusp of Weatherby’s 70th anniversary, it couldn’t have been conveyed any better than with Roy Weatherby’s original magnum big-game chambering—the .270 Wby. The 7 mm Weatherby Magnum is a powerful 7 mm rifle cartridge offered by the Weatherby firearms company in their Mark V rifles.The cartridge was one of the first cartridges offered by the Weatherby company. More Hunting. and .300 Win. The following ammunition cartridge ballistics information and chart can be used to approximately compare .270 WSM Winchester Short Magnum vs 7mm-08 Remington ammo rounds. Just because it can be done does not mean it makes sense, despite what you might read in advertising copy. Copyright Complaints: Please direct DMCA Takedown Notices to the registered agent. To me the two mags are ballistic twins and come into their own with heavy bullets. Copyright © 2020 Field & Stream. A turbo-charged version of the popular 270 Winchester. In 2004 I took my 99 .270 WSM and a light .375 H&H. In looking at the reloading data, the 7mm is pretty anemic for a mag. I went back to the .308 until I went to Africa again in late 90s and then 2004. in 99 I took a .300 Weatherby and a .375 Weatherby. I just did not see the gain in preformance to justify the cost. I have a 270 weatherby, a 7mm rem mag, and 2 270 winchesters. For me, in British conditions, shooting at less than two hundred yards, that one extra cartridge trumps ANY velocity advantage that the Weatherby (or 7mm Remington Magnum) has over the 270 Winchester or 280 Remington. Above the.270 and into the 7mm category (actually 7.2mm) is the 7 mm Weatherby Magnum based on the 300 H & H case and shoots a 139 grain head at 3300 fps and the 7mm Dakota which uses the same 404 Jeffrey Case as the 26 Nosler, it is smack between the 120 grain head with Mv of 3400 fps in the 7mm Dakota and the 139 grain head with Mv of 3300 fps. Mag. If you still feel you are qualified to post in those subforums, please contact "Shane Tuttle" (the mod for that portion of TFL) via Private Message for assistance. are great cartridges, but which one is better? This email contact address is not an "Ask the Firearms Expert" service. Latest. It's too tight of a squeeze for me. While all four are pretty commonly available, the .270 Winchester and the 7mm Remington Magnum are by far the most popular out of the bunch. If you are experiencing difficulties posting in the Buy/Sell/Trade subforums of TFL, please read the "sticky" announcement threads at the top of the applicable subforum. velocity is typically 100 fps faster than the 270 win (which is not bad) but the 7mm rm uses lots more power to get there. In my opinion, one of the drawbacks of all three of the .270s is their twist rate. 270 Weatherby Magnum Load Data; 7mm Mauser (7×57) Load Data; 7mm-08 Remington Load Data; 284 Winchester Load Data; 280 Remington Load Data; ... 7mm Wby Mag Cartridge Information. Shop Nosler Products. Though the .270 Winchester and .30-06 Springfield are both wonderful cartridges that have been incredibly popular with hunters since they were first introduced at the beginning of the 20th Century, gun designers never stopped looking for ways to improve upon the performance of those two old war horses. Reproduction in whole or in part without permission is prohibited. Such emails will be ignored. I still hunt with my old 270-Winchester for deer & antelope every year. The magnums are represented by the .240 Weatherby, .257 Weatherby, .264 Winchester Magnum, 7mm Remington Magnum, and .300 Winchester Magnum. 270 Winchester Ammo. is still less than 2 inches. By David E. Petzal. Find 7mm Weatherby Mag Ammo for sale, in-stock and ready to ship at Ammo Freedom. Cartridge Type: Rifle Height: 2.549" Width: 0.531" Average FPS: 3335 Average Energy: 3333 Average Gr: 135 Recoil: 2.05 Power Rank: 4.5 of 20 The .270 Weatherby Magnum was designed in 1943 by Roy Weatherby. Your reloads won't compare to the factory ammo. Survival. By Ron Spomer. The major difference between the two, is the design of the rifle chambers. Mag. This email link is to reach site administrators for assistance, if you cannot access TFL via other means. the 7mm rem mag is just about usless, its to short, compair a 7mm rem mag to a 280 rem, they have nearly identical ballistics, the 7mm isnt worth the extra weight, or recoil, get the .270 wby, that is a very good round, far superiour to the remington. Bulk Ammunition on sale, including 7mm Weatherby Mag Rifle Rounds. As with most of the Weatherby line of cartridges, the .270 gained a small but staunch following which has remained static to this day, regardless of new inventions such as the .270WSM. The recoil is significant, but truth be told, when I’m hunting I never feel the recoil and I never hear the shot. is recoil as the 7mm is a real pussy cat to shoot. The two cartridges are about equal in performance, and I consider either one an excellent choice for elk and moose. Anything the 270-WSM can do the 270-Weatherby can do better. Subscribe. 7mm Magnum Showdown: 7mm Rem. It’s hotter than the 7mm Remington Magnum by about 200 feet per second and the bark is ferocious. Felt recoil is a different story all together, just depends on too much other stuff to tell. I was almost sold on the 270-WSM when it first hit the market. Tell him to look at the 270-Weatherby before he commits to the 270-WSM. 7mm Reloading Components. The two cartridges you are looking at are within 100 fps of each other give or take so I'd imagine the recoil is similar as far as energy goes. My friend has a 7mm Weatherby Mag that was given to him by his grandfather. Re: 270 Wby Mag VS 6.5 300 wby « Reply #19 on: January 12, 2016, 08:38:49 PM » I've noticed on these 6.5 ballistics that no matter the starting/muzzle velocity that the 1000 yard velocities are really close.Stair stepping down of course but only about 80 fps drops at 1000 compared to 200-250 fps starting velocity differences. It is based off the parent case of the belted .300 H&H Magnum by narrowing the neck to accept the .277 inch (7mm) bullet. The Beginnings The 175 grain bullet worked well on Elk and caribou for me. But that's merely me. How to Hunt Ducks in a Winter Storm and Live to Tell About It, The Agony, and Utter Joy, of One Child’s First Fish, The 6 Best Big-Game Loads for the .308 Winchester, The Story Behind the World-Record Whitetail Deer, The 10 Best Long-Range Hunting Cartridges, Kansas Teenager Tags World-Record Whitetail Buck. Please note, the following information reflects the estimated average ballistics for each caliber and does not pertain to a particular manufacturer, bullet weight, or jacketing type. 275 Rigby Ammo. It was developed in the 1940s by Roy Weatherby.The 7 mm Weatherby Magnum did not get a lot of exposure until the early part of the 1950s when the Weatherby rifles became more available. I guess if a hunter wanted to forgo the .270 and .300 Weatherby, the 7mm Weatherby starts to make a bit more sense, especially when combined in a 2 rifle battery with something like a .340 Weatherby Magnum. It has the characteristic double-radius shoulders and is necked down to accommodate the .277 in bullets. When loaded to a velocity of 3100fps with a stout 160gn bullet , the .270 is just as effective on larger game as the 7mm Weatherby magnum loaded with the heaviest bullet available in that calibre. Well the .277 caliber bullets up to 150 grains with a modern (SPBT) design are just as good if not better than the .284 in ballistics. The Weatherby rifle chamber features a long free bore while the Remington is quite the opposite, in some instances almost strangling its loads. ... • 7mm Rem. Nosler 160 grain AccuBond bullets in 7mm. The .300 Weatherby Magnum has a longer case length of 2.825" (71.76mm). my only ? 270 Win Short Mag Ammo. If you are a TFL member and can access TFL, please do not use this link; instead, use the forums (like Questions, Suggestions, and Tech Support) or PM an appropriate mod or admin. The 7mm Rem. In fact, those two cartridges are likely among the Top 10 best selling rifle cartridges in the United States each year. Calculations were corrected to standard temperature (59F/15C) and pressure … Many products featured on this site were editorially chosen. I would rather have the 7MM Rem Mag due to bullet selection and sectional density. October 28, 2013 Bullets are available for both the 7mm Magnum and the .270 Winchester, but the 7mm is a more popular bullet … Apple | iHeart | Spotify | Stitcher.300 Win Mag vs 7mm Rem Mag: History. I doubt that helps with any possibilities for lower cost availability though. In 1945, Roy Weatherby shortened the 300 H&H Magnum, blew out the body, necked it down to accept a 270 bullet and gave hunters a flatter shooting, harder hitting 270. As info, I found a chart on the Chuck hawkes website that shows the parent case for the 270 weatherby magnum is the 300 Holland & Holland magnum. Handloads for the 140 grain bullet achieve velocities up to 3400 fps, with 3590 foot-lbs at the muzzle. Mag. It's a beautiful Mark 5 Weatherby. These include the .257, .270 and 7mm Weatherby Magnum cartridges. All rights reserved. 270 vs 280 vs 280 AI vs 7mm Rem Mag Ammo Selection. The 80s and for me it was a pretty hard kicker not much less than a.300 Mag. Took my 99.270 WSM and a light.375 H & H one! Pretty hard kicker not much less than a.300 Win Mag vs 7mm Rem Mag Ammo for sale, 7mm! Story all together, just depends on too much other stuff to tell just it... When I’m hunting i never feel the recoil is a real powerhouse the Remington is quite the opposite in... Was given to him by his grandfather the Firearms Expert '' service in... Me the two mags are ballistic twins and come into their own with heavy bullets 270 280... 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