The math works out that this gun will produce a five-inch flatter trajectory over my 7mm Rem. velocity is typically 100 fps faster than the 270 win (which is not bad) but the 7mm … This is truly an excellent big game cartridge for North American hunting. Nosler and Hornady load both 7mm Remington Magnum and .280 Ackley ammunition; looking at their data you’ll see a difference of 90 to 100 fps between the two, with the belted 7mm Magnum giving the higher velocities ... • .270 Winchester vs. .280 Remington 3. I know about the 280, in between for what I want and want to be able to find ammo if I forget my handloaded stuff. Mag load (168 Berger Classic Hunter) at 500 yards while only giving up 200 ft-lbs of energy (1700 vs. 1900) at the same distance. The .270 Winchester vs. the 7mm Remington Magnum. The Roosevelt elk of Western WA tend to have smaller racks & bigger bodies than the usual Rocky Mountain elk. Does the perfect muley cartridge really exist? Both the .270 and 7mm mag. With the proper barrel and scope it has excellent longer range potential. And, I have found that the 270 Win is much more comfortable to shoot, even in a rifle that weighs less. vs. .300 Win. Mule Deer Cartridge Showdown: .270 Win. vs. 7mm Rem. The .270 : 1. I don't have a 7mm Mag but I do have a lot of experience with both the 270 Wby and the 270 Win. Here's why (in my opinion) while all three can be very accurate, the 25-06 is just a natural good shooter and very easy on the shoulder. I have or had all of them; 25-06, 270, 7mm rem mag and they are all great guns. Is cheaper to shoot with factory loads or your own reloads. 270 Win vs 280 Rem vs 280 AI vs 7mm Mag Ballistics Those differences in the external dimensions of the .270 Winchester, .280 Remington, .280 Ackley Improved, and 7mm Remington Magnum do translate into differences in ballistic performance, though probably not quite as much as you’d initially expect. I have been considering pulling the tube on my 7mm rem mag and putting a new barrel in 270 wby mag on it. Has less recoil. The .300 Weatherby Magnum has a longer case length of 2.825" (71.76mm). You really are comparing apples and oranges. In looking at the reloading data, the 7mm is pretty anemic for a mag. are great cartridges, but which one is better? The .270 : 1. Be aware, though, that 150 grain bullets are the maximum weight generally loaded in the .270 WSM and other .27 bore cartridges, while the 7mm Rem Mag can fire hunting bullets weighing up to 175 grains. Is certainly adequate for coyotes and deer. Winchester Model 70 chambered in 7mm Remington Magnum & Remington Model 700 chambered in .270 Winchester. 2. The recoil of some hard hitting cartridges. Why 7mm Rem Mag over the new 7mm WSM? Has less recoil. Sasks, I agree but the shooter can tell the difference because of the greater recoil of the 7 Rem Mag. This is the situation I cannot decide between the 270 Win and 7mm Rem Mag. The 7mm Remington mag is well established but not so versatile as the .30-06. If I was to get one gun does all for your needs, the 300 WSM would do the job. Is certainly adequate for coyotes and deer. 2. Magnum, using bullets on the heavy side for their respective bore sizes, are potent against Class 3 game. If I were looking for an antelope gun it would be the 25-06. With comparable bullets the 7 Rem Mag is about 150 fps faster with about 300 ft/lbs of energy more than the .270 Win. With the whims of the marketplace it may or may not stay readily available. The 7 Rem Mag shoots about 3-4 inches flatter and has about 2 inches less wind drift than the .270 at 500 yards. 270 wsm might as well step up to the 7mm Rem Mag. Just for kicks, I nosed around on the reloading websites to see what the 7mm Rem. The 7mm Rem Mag may be better for long range shots at mule deer and larger game, particularly elk. In summary, the .270 WSM and 7mm Rem. Mag. Mag… These include the .257, .270 and 7mm Weatherby Magnum cartridges. 3. The Weatherby is virtually a "another pea in the pod" when compared to the 7mm Mag - especially where recoil is concerned. Warren Page, during his historic tenure as Field & Stream's shooting editor, did most of his hunting with only two rifles.