Felt recoil will vary from shooter to shooter and rifle to rifle, but free recoil energy is still a useful way to compare cartridges.As you can see, that particular 325 WSM load has about 83% of the free recoil energy of the .338 Win Mag load, which is a pretty major reduction in recoil. I would stick with the 7mm. There’s not a darn thing wrong with the 270 WSM either though and there’s really no reason to make a switch either if you already have a good hunting rifle chambered in either cartridge that you like. Mag. In fact, depending on the exact brand of factory ammo we’re talking about (like Barnes VOR-TX), the 300 WSM may have a faster published velocity. What about when comparing bullets of the same or very similar weight? Though it’s possible to find rifles chambered in .300 Win Mag with a larger magazine, that’s a pretty typical magazine size for the cartridge. This helps support the blog and allows me to continue to create free content that’s useful to hunters like yourself. Again, probably not. The 300 Winchester Short Magnum likely does gain some accuracy benefit from its shorter powder column. A lot of folks swear by the .270 but I personally felt it was a little light for elk hunting. ballistics. After all, fans of the Winchester Short Magnum cartridges like to point out the benefits of the shorter and fatter powder column. Interestingly enough, a .323″ bullet diameter is exactly halfway between the .308″ bullets used by the 300 WSM and .300 Win Mag on one hand, and the .338″ bullets used by the .338 Win Mag on the other. That’s is because the 325 Winchester Short Magnum load in question uses about 12% less powder than the .338 Win Mag. So, while the 7mm WSM is faster on paper, the two cartridges have essentially the same velocity for all intents and purposes. While virtually every big ammo manufacturer produces factory hunting ammo for the .338 Win Mag, only Nosler and Winchester Ammunition currently produce 325 WSM hunting ammo as part of their Trophy Grade, Expedition Big Game, Power Max Bonded, and Super X lines (loaded with the AccuBond, E-Tip, AccuBond CT, Bonded Rapid Expansion Hollow Point, and Power-Point bullet respectively), For those reasons, most sporting goods stores usually carry ammunition for the .338 Win Mag, but 325 WSM ammo can be significantly harder to find. There is a decent selection of factory ammo available in the cartridge from companies like Federal, Hornady, and Winchester. Unfortunately, the future isn’t looking very bright for that cartridge right now. This is an incredibly small practical difference. They rounded out the lineup with the 325 Winchester Short Magnum in 2005. Google+. In the WSM .270 fans found a short, powerful, efficient round that could be housed in compact, lightweight short-action rifles and which edged closer to 7mm Rem. First, the .270 Winchester is significantly longer. Before we get started, I have an administrative note: Some of the links below are affiliate links. This means that it’s possible to build a short action rifle that’s a tiny bit shorter and lighter than an otherwise identical rifle with a standard length action. The 7mm WSM and 7mm Remington Magnum are best suited for the exact same hunting situations. This is not always the case and some 270 WSM rifles feed exceptionally reliably of course, but it’s likely more of an issue with that cartridge that’s not often encountered with the 270 and its longer, slimmer, and more tapered case. more RE at MPBR than the 140 grain 7mm load and 25 ft. lbs. In order to make as close to an “apples to apples” comparison of the cartridges as possible, I referenced Winchester’s 2009 catalog and used the provided specifications listed there for the Model 70 Featherweight chambered in .270 Win, 270 WSM, 7mm Rem Mag, 7mm WSM, 300 Win Mag, 300 WSM, 325 WSM, and 338 Win Mag. Pinterest. What about accuracy of the 300 Win Mag vs 300 WSM? Between the .270 WSM and the 7mm mag, the 270 will have the higher ballistic coefficient and sectional density, given that both bullets are of the same type and weight. would the 2 have any difference in recoil using those bullet weights? Those … Overall, the .338 AccuBond load is the best here with the 325 WSM AccuBond coming in a relatively close second. These two cartridges present an interesting case though. I guess riflemen are becoming I would say the .270 is perfectly tolerable on the bench without a brake. While rifles chambered in both cartridges are manufactured with both 22″ and 24″ barrels, the shorter 22″ barrel length is more common with the .270 Winchester and the longer 24″ barrel is more common with the 270 WSM. While it’s certainly nice to have if possible, a the difference in a theoretical 1.25″ vs a 1.5″ group most likely won’t matter much while actually hunting at reasonable ranges. Both have their good points. The photo below does a great job of showing the differences in external dimensions between the 300 Winchester Magnum and the 300 Winchester Short Magnum. Due to the long running popularity of the .270 Winchester, there’s a plethora of quality bullets to choose from for both cartridges. That’s not to say that the .338 Win Mag won’t work for that sort of hunting because it certainly will. I can see the advantage of the short action, but you are asking which one is better in performance for long distance. For those reasons, the .300 Win Mag actually has significantly more case capacity (around 10-15% more, depending on the manufacturer) than the 300 WSM. The 7mm Remington mag is well established but not so versatile as the .30-06. Additionally, the Winchester Short Magnum Cartridges all have a case with very minimal taper and a 35 degree shoulder. If you already have a quality rifle that you like chambered in either cartridge though, I don’t see any compelling reason to make a switch to the other one unless you just want to. As you can see, the two Federal Premium loads used the exact same 180 grain bullets fired at the same velocity. However, the two cartridges have some similarities as well. Let me know if you have any questions or requests. Maybe, but probably not. This is one of the tougher aspects of using the 325 WSM: there’s not a gigantic variety of factory ammo or a large number of bullet choices for hand loaders to choose from. Whatever you are shooting at will not be able to tell the difference between the two. Though I doubt that a well placed shot on an animal with an extra 200 feet per second of velocity or 250 foot pounds of energy will make a big difference, it won’t necessarily hurt either and I can see why someone would want that extra power, especially when hunting game like elk and moose. Just put your shot were it needs to go. Both will work exceptionally well on deer sized game out to several hundred yards. On the other hand, the Winchester Short Magnum cartridge does not have a gigantic advantage in either category either and there’s actually a smaller difference in the ballistics of the 7mm WSM vs 7mm Rem Mag than there is with the 270 WSM vs 270 Winchester. This is not an ironclad rule though and it’s sometimes possible to find rifles chambered in .338 Winchester Magnum that can accommodate another round or two compared to those chambered in 325 WSM. What about accuracy of the 7mm WSM vs 7mm Rem Mag? This is an incredibly small practical difference. The 300 WSM and 325 WSM also have the benefit of doing all of the above with a modest decrease in recoil compared to the .300 Win Mag and .338 Win Mag while the 270 WSM offers a definite improvement in velocity over the .270 Winchester. However, the 8mm bullets (.323″) used by the 325 WSM (as well as the 8mm Mauser, 8mm Rem Mag, and 8×68 S) are not nearly as easy to find in the United States. Im sure someone will disagree with me but they are not even close to equal when you compare what it takes to get the velocities close to the same. Both cartridges also offer a substantial increase in power, both in terms of bullet frontal surface area and kinetic energy, over the 300 Magnums as well. The 270 WSM is by no means rare though and most sporting goods stores carry ammunition for both cartridges. I would stick with the classic 7mag only because I love the "classics" and because the ammo would be a lot easier to find in in the stores. 7mm gives you room to shoot bigger animals. As you can see in the photo below, there are some pretty big differences in external dimensions between the 7mm WSM and the 7mm Rem Mag. The .270WSM is more forgiving on my shoulder. Facebook. The chart below compares how much a 10 mile per hour crosswind impacts those same four loads out to 500 yards.Once again, the .300 Win Mag Hornady load has the edge over the 300 WSM in this area. However, even though the 7mm Mag is derived from the .375 H&H Magnum and itself uses a fatter case than cartridges like the .270 Winchester and .30-06 Springfield, the 7mm WSM still has a significantly fatter case with less taper and a steeper shoulder angle (35 degrees vs 25 degrees).Even though the 7mm WSM uses a larger diameter case, the 7mm Rem Mag uses a relatively large diameter case itself and is significantly longer. The differences in external dimensions between the .270 Winchester and 270 WSM obvious in the photo below. Cartridge (Wb@MV) Rifle Weight: Recoil energy: Recoil velocity.17 HMR (17 at 2550) 7.5: 0.2: n/a.17 Hornet (20 at 3650) 8.5: 0.6: 2.0.17 Rem. The modern “magnum era” began in earnest with the introduction of the 7mm Remington Magnum and .300 Winchester Magnum cartridges during the 1960s. 7mm Mag, not so much. The same goes for guns: rifles chambered in 7mm Remington Magnum are extremely popular and very commonly in the United States. If you already have a rifle in the cartridge and don’t mind the smaller selection of factory ammo (or if you’re into handloading), the 7mm WSM will also serve you very well as a hunting cartridge. So, depending on the exact rifle model in question, it’s likely that one chambered in 325 WSM will be somewhat shorter and handier as well as potentially a little lighter. 7mm Mag, not so much. Both are also very good choices for hunting game like bighorn sheep, mountain goat, Himalayan Tahr and chamois. Both cartridges are also well suited for hand loaders and reloading components for the 7mm Remington Magnum and 7mm Winchester Short Magnum are widely available. Both are also capable of outstanding accuracy in the right hands. They’re both solid performing cartridges, but I’d personally choose the 7mm Remington Magnum over the 7mm Winchester Short Magnum. Both cartridges normally use bullets in 150-230 grain range. The 270 WSM is relatively popular itself (probably the second most popular Winchester Short Magnum cartridge behind the 300 WSM), but it can’t hold a candle to the .270 Winchester in terms of overall availability. Benchrest shooters discovered many years ago they could obtain a small, but definite advantage in accuracy by using short, stubby cartridges. After all we wouldn’t want to hurt someone’s sensitive feelings. The .338 AccuBond load has a small, but definite advantage in wind drift at all ranges, but the 325 WSM has a bigger edge over the .338 Win Mag with the Winchester loads. Just like with the 270 WSM vs 270 Winchester, 7mm WSM vs 7mm Rem Mag, and 300 WSM vs 300 Win Mag, the .338 Win Mag is significantly longer than the 325 WSM. per sec. For instance, the vast majority of 7mm Rem Mag factory loads shoot bullets in the 139-175 grain range. Is the 270 WSM capable of excellent accuracy? First, both have the same maximum SAAMI pressure of 65,000psi. For all intents and purposes, we can say that the two cartridges have the same ballistics. 150 grain, 165 grain, 180 grain, 190 grain, 200 grain, and 220 grain bullets are the most popular.Similar to the case with the 7mm WSM vs 7mm Rem Mag, the 300 WSM and .300 Win Mag factory loads often fire the exact same bullet at virtually identical velocities. After all, fans of the Winchester Short Magnum cartridges like to point out the benefits of the shorter and fatter powder column. The 270 Winchester Short Magnum very likely does gain some accuracy benefit from its shorter powder column. Mag. However, Winchester did produce several versions of their Model 70 chambered in the cartridge for many years. Does the difference between the two cartridges in terms of accuracy make a difference for most hunters under typical conditions? Perhaps the most surprising comparative result was that the 150 grain .270 WSM load carries more energy downrange than either of the 7mm Rem Mag loads. For those reasons, sporting goods stores usually carry ammunition for both cartridges. Absolutely. Ammo should be readily available in any Sporting Goods Store. On the other hand, if a light weight rifle is less important and if you don’t have any issues with a standard length rifle action or just prefer an older and more established cartridge with a larger variety of ammo and rifle choices, then go with the .300 Win Mag. Book an incredible Africa hunting safari here. is i worth my time to get a 7mm wsm, i am looking at getting a browning X-bolt for hunting elk in either 7mm rem mag or 7mm wsm, the rem mag has 26 inch barrel and the wsm has 23 inch barrel would that make any difference, and i noticed that there is not as many factory loads for the wsm, but i have found a few that i know will work, and i plan on learning how to reload. This is illustrated in the table below comparing Federal Premium and Hornady factory ammunition loaded with 140gr Trophy Bonded Tip (.430 BC) and 162gr ELD-X (.631 BC) bullets in 7mm WSM and 7mm Rem Mag. For example, 4-5 round magazines are pretty common with the .270 Win, but 3 round magazines are about all you’ll find with the 270 WSM. The 270 WSM does indeed have a flatter trajectory and more resistance to wind drift than the .270 Winchester. This specific model weighs 7.25 pounds when chambered in both 300 WSM and .300 Winchester Magnum. Once again, there’s a good selection for both, but rifles chambered in 270 WSM aren’t quite as common and are usually more expensive. The .300 Winchester Magnum is extremely popular and is consistently among the Top 10 best selling rifle cartridges in the United States each year. 7mm WSM vs 7mm Rem Mag 7 years ago. and the 7mm would be in 140 grain, and the .270wsm in 130g. You can even use them both on larger game like kudu, eland, red stag, elk, and moose with great results. They’re both great cartridges and I’d personally say that the 325 WSM is the second most appealing choice out of the Winchester Short Magnum line (behind the 300WSM). Indeed, it’s even possible to see that much shot to shot variation within the same box of ammo for a particular cartridge. However, the 325 Winchester Short Magnum doesn’t have a closely related standard length cousin that’s widely used in North America. 270 vs 308 WIN: WHICH ONE SHOULD YOU HUNT WITH? You got to figure one or two should survive. First, the .300 Win Mag is a lot longer. Of these, 140 grain, 150 grain, 160 grain, and 175 grain loads are by far the most common. 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'm thinking of buying a 7mm Mag or a .270 WSM. As you can see, the two cartridges have almost identical amounts of recoil with the 270 WSM in this particular example actually having a tiny bit less free recoil energy than the .270 Winchester. 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. with the 7mm i can find heavier loads than the wsm, which should be better, or is the 12 ga still a better choice for bears? While I would not describe the 7mm WSM as a rare or hard to find cartridge, it’s not especially popular or widely available. Reloading components for the .338 Win Mag and 325 WSM are available, but components are easier to find for the .338 Win Mag. Like I said, they’re all well designed and very capable hunting cartridges. The sectional densities and ballistic coefficient are so close its a toss up between the two. I do like the 270, but the 270 Win that I have in the safe is potent enough for any deer in North America. That's plausible. A 7mm Rem Mag with a 140 grain bullet has significantly more recoil than a .270 WSM with a 130 grain bullet unless you use a muzzle brake. However, though Browning, Kimber, and Savage all manufactured 325 WSM rifles at one point, only Winchester currently offers current production rifles in the cartridge (the Model 70 and XPR at this point). While both cartridges are really too light for hunting extremely large, thick skinned dangerous game like cape buffalo, they will both fit the bill for hunting Grizzly or Alaska Brown Bear. Is the 325 WSM capable of excellent accuracy? John de Witt. Use A Thermacell To Stop Bug Bites While Hunting & Camping. The great thing about the WSM family is that converting one to another is easy if the others die off(270,300,325). This specific model weighs 7.25 pounds when chambered in 270 WSM and 7 pounds when chambered in .270 Winchester. However, they’re being measured against four of the most popular American centerfire rifle cartridges of all time in the .270 Winchester, 7mm Remington Magnum, .300 Winchester Magnum, and .338 Winchester Magnum, and that’s a tough hurdle to get over. This makes sense since the 270 WSM is specifically designed to fit in a short action rifle instead of a standard length action like the .270 Winchester. The Winchester Short Mags all undoubtedly offer at least some advantages to the shooter that, if nothing else, can potentially help improve his or her confidence and maximize his or her shooting abilities. Find a good gunsmith and get a muzzle brake! Winchester claimed these new cartridges could meet or even exceed the ballistic performance of comparable standard length cartridges like the .270 Winchester, the 7mm Remington Magnum, and .300 Winchester Magnum. i was also gonna take this gun along camping in the mountains for bear protection. Though Winchester advertises a 24″ long barrel and a 7.25 pound overall weight for each cartridge in this particular Model 70, the rifle chambered in 7mm WSM is 1/2″ shorter overall. Normally you’d be right and the rifle for the standard length cartridge would be either a little longer and heavier or virtually the same size and weight. The particular 300 WSM load above shoots the same weight bullet at very nearly the same muzzle velocity (over 99% as fast), but uses about 8.5% less powder. Due to the shoulder safety design, the neck is very short. Both rifles in this case also have a 3 round magazine as well, so there’s no advantage there with either cartridge. Remember: we’re talking about accuracy under practical hunting conditions, not benchrest shooting where a .1″ or .2″ improvement in group size can make a big difference. When you consider the fact that the 270 WSM has significantly more case capacity than the older .270 Winchester and that both cartridges have the same maximum SAAMI pressure, it shouldn’t be surprising that the 270 WSM is actually capable of shooting the same weight bullet at a higher velocity than the .270 Winchester. Additionally, the .300 Win Mag has a shoulder moved further forward than the 7mm Rem Mag. 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