The .270 Winchester and 270 WSM (along with the .270 Weatherby and the 6.8 SPC) use the same .277″ diameter bullets. But, even though the 300 Winchester Magnum does have a belted case (which the 300 WSM lacks), the 300 Win Mag generally has a reputation for pretty reliable feeding in most rifles. For those reasons, while the .338 Win Mag can generally hold a little more powder, the two cartridges actually have similar case capacities (depending on the manufacturer of course). I think we can agree that most hunters and shooters in North America are probably familiar with the venerable .270 Winchester, 7mm Remington Magnum, .300 Winchester Magnum cartridges. All told, both are wonderful cartridges for hunting some of the larger species of North American big game or African plains game. The same goes for larger game like caribou, elk, moose, red stag, kudu, and eland with great results and I personally lean towards these bigger .30 caliber cartridges as opposed to the .270 and 7mm cartridges previously discussed for an Africa, Canada, or New Zealand hunting safari. The answers to the above questions really depend on the rifle, ammunition, and shooter in question though. A mate took this wild boar with his 300wsm. The same goes for guns: rifles chambered in .270 Winchester are among the most commonly produced centerfire rifles in the United States. Is this really the case? However, the 7mm Remington Magnum has a gigantic advantage in terms of availability and variety of rifles and ammunition. 7mm wsm vs 7mm/300 wsm After my last what to do the the 708 post i started looking at these two options .From what i understand the only real advantage of the 7mm /300 is the longer neck , Is it really worth the hassle of necking down or is the standard 7mmWsm fine . Recoil of the 300 WSM should be pretty much the same as the 300 Win Mag. They’re both great cartridges, but I’d probably lean towards the .270 Winchester. I LOVE 30 cal. What about accuracy of the 270 Winchester vs 270 WSM? After all, fans of the Winchester Short Magnum cartridges like to point out the benefits of the shorter and fatter powder column. These are interesting cases where both lines of ammo use the same style bullet for both cartridges, but the Nosler ammunition uses a heavier bullet for the .338 Win Mag and Winchester uses a heavier bullet for the 325 WSM. The following ammunition cartridge ballistics information and chart can be used to approximately compare .300 WSM Winchester Short Magnum vs 7mm-08 Remington ammo rounds. However, the 270 WSM has a very fat case with minimal taper and a much steeper shoulder angle (35 degrees vs 17.5 degrees).For those reasons, the 270 WSM is unique among the Winchester Short Magnum cartridges for actually having significantly more case capacity (around 10-20% more, depending on the case manufacturer) than its standard length cousin. So a .300 WSM Winchester Short Magnum round exits the barrel with kinetic energy equal to the energy required for linear vertical displacement of 3580 pounds through a one foot distance, while a 7mm-08 Remington round exiting the barrel has energy equal to the amount required to displace 2450 pounds over the same one foot distance. This makes sense since the 7mm WSM is specifically designed to fit in a short action rifle instead of a standard length action like the 7mm Rem Mag. The table below compares the recoil produced by two Nosler hand loads (available here and here) firing 200gr Nosler AccuBonds at virtually the same velocity: 2,885fps for the 300 WSM and 2,910 for the .300 Win Mag. First, the .270 Winchester is significantly longer. Looking at it that way, it’s not surprising that the 7mm WSM is likely on its way out. Now they were shooting max everything for F-Class. 7mm WSM vs 7mm Rem Mag 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 325 WSM is 1/2″ shorter overall. It was shot from 200m and expired less than 30m away after a short run. Just like with the 270 WSM, this is due to the very large diameter of the 7mm WSM cases that simply take up more space in a rifle magazine than the thinner 7mm Rem Mag case. with a 180 gr. Additionally, the .300 Winchester Magnum is a traditional belted magnum while the 300 WSM has a rebated rim and no belt.Just like with the 7mm WSM vs 7mm Rem Mag, even though the 300 WSM uses a case with a larger diameter, the .300 Win Mag also uses a relatively large diameter case itself and is significantly longer. I know that the Remington model 7 is chambered for the WSM family, for example. That small reduction in recoil is also particularly helpful here as well. Indeed, it’s even possible to see that much shot to shot variation within the same box of ammo for a particular cartridge. It’s a wonderful cartridge and there are plenty of quality ammo and rifle choices for you. Both loads are compared when fired from a Winchester Model 70 Featherweight rifle. Mag. This results in a little bit less recoil. This specific model weighs 7.25 pounds when chambered in both 300 WSM and .300 Winchester Magnum. Even so, they have different strengths and weaknesses and the 7mm Rem Mag vs 300 Win Mag debate is still going strong over 50 years later. Even though you’re probably not giving up any magazine capacity due to the fat and stubby design of the 300 WSM cartridge, those same traits (along with the cartridge’s very steep shoulder angle) can sometimes present feeding problems. Ruger's M77 compacts might be also. In fact, the difference in published velocity is often smaller for the 300 WSM vs 300 Win Mag than the 7mm WSM and 7mm Rem Mag. However, both Nosler and Winchester manufacture their Trophy Grade and Power Max Bonded lines of ammunition in both cartridges. 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 300 WSM is 1/2″ shorter overall. Again, probably not. Seventy-six years after the .270 broke cover Winchester launched the .300 WSM, and a year later in 2002 Winchester unveiled the .270 WSM. Maybe, but probably not. Generally speaking, the higher the muzzle energy, the higher the stopping power. Remember: we’re talking about accuracy under practical hunting conditions, not benchrest shooting where a tiny improvement in group size can make a big difference. However, Winchester made a big splash with the .300 Winchester Short Magnum in 2001 and followed up with the .270 Winchester Short Magnum and 7mm Winchester Short Magnum cartridges in 2002. 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. Many target shooters found this to be detrimental to extreme accuracy. This is an incredibly small practical difference. In that same vein, those fat, stubby 270 WSM cartridges with their very steep shoulder angle can sometimes present feeding problems. Well, the 200gr 325 WSM bullet starts off with a little bit less muzzle energy than the 200 grain .338 Win Mag bullet, but the 325 WSM is more aerodynamic and pulls ahead in the energy and trajectory departments at 100 yards and 300 yards respectively. This is an incredibly small practical difference. The 325 WSM has similar ballistics to the magnum action, medium bore 8mm Remington Magnum and 8×68 S cartridges. Once again, the 7mm WSM has a little bit less wind drift, but it’s an extremely small difference between them that’s due entirely to the slightly faster muzzle velocity of the Winchester Short Magnum cartridge. Joined Dec 28, 2008 Messages 3 Location Florida. 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 Big Game Hunting Blog is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com, Amazon.co.uk, Amazon.ca, Amazon.com.au, and other Amazon stores worldwide. The 270 WSM is by no means rare though and most sporting goods stores carry ammunition for both cartridges. We offer a 100% Authenticity Guarantee on all products sold on our website. I’m not sure if it cracks the  Top 10 best selling rifle cartridges in the United States each year, but it’s likely in the Top 15 or Top 20. Once again, the 270 WSM has a slight advantage over the .270 Winchester in this area. After all we wouldn’t want to hurt someone’s sensitive feelings. The 325 WSM shoots .323″ bullets while the .338 Win Mag uses .338″ bullets. 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. After all, a longer cartridge simply requires more space to feed and eject than a shorter cartridge. So, while the rifle chambered in 300 WSM is not significantly lighter, it’s a tiny bit shorter and handier. Book an incredible Africa hunting safari here. Thanks for your support. X, and a 175 # WV bear at 279 yds. However, the 270 WSM uses a heavier rifle and the .270 Winchester gets a slight edge when both are used in the same weight rifle. All four loads used a 200 yard zero.Just like you’d expect, there is virtually no difference between the trajectory of each cartridge. I guess riflemen are becoming Additionally, while neither cartridge has a belt, the .270 Winchester uses a traditional rimless design while the 270 WSM has a rebated rim. Anyhow, I like the concept of the wsm family of cartridges. They’re both solid performing cartridges, but I’d personally choose the 7mm Remington Magnum over the 7mm Winchester Short Magnum. At the same time, the lighter recoil and flatter trajectory of the 325 WSM give it a bit of a leg up on .338 Win Mag for hunting deer sized game where the extra power of the .338 Win Mag isn’t as useful. CVA Paramount Muzzleloader: Read This Before You Buy One! While I would not describe the 7mm WSM as a rare or hard to find cartridge, it’s not especially popular or widely available. Both are also capable of outstanding accuracy in the right hands. For all intents and purposes, there is no difference between them ballistically and both cartridges will really do a number on most species of big game. I took my Elk at 645 yards with a .264WM so it can be done and shot placement is more important than caliber. 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. First, the .300 Win Mag is a lot longer. Just because it can be done does not mean it makes sense, despite what you might read in advertising copy. Totally awesome gun. Scroll down or click the appropriate link below to jump to the specific comparison you want to learn more about. This is not a hard and fast rule, but it is a common occurrence with these two particular cartridges. The same goes for game like mountain goat, bighorn sheep, Himalayan Tahr, and chamois. Much to Mark’s delight, Ryan Muckenhirn joins him and Jimmy to discuss the 300 WSM. 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. The 7mm WSM does indeed have a flatter trajectory and a tiny bit more resistance to wind drift than the 7mm Rem Mag. LMAO. Both are also very good choices for hunting game like bighorn sheep, mountain goat, Himalayan Tahr and chamois. As you can probably guess, there is very little difference in the trajectories in the two cartridges. More on this in a minute, but it’s worth noting that for those two AccuBond loads in particular, the 325 WSM has almost 95% of the kinetic energy of the .338 Win Mag and has essentially the same trajectory out to 200 yards. Unfortunately, the future isn’t looking very bright for that cartridge right now. The belted cartridge is not going to be quite as accurate as a rimmed cartridge by design. Both cartridges are also well suited for hand loaders and reloading components for the .300 Win Mag and 300 WSM are widely available. The two Hornady loads fired the same bullet with a scant 30 fps of difference between them, with the .300 Win Mag having a tiny velocity edge. I went with the 325 to try something different for a change. You can even use them both on larger game like kudu, eland, red stag, elk, and moose with great results. So, while the rifle chambered in 7mm WSM is not really any lighter, it’s a tiny bit shorter and handier. 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. Use the same velocity = same recoil vs.300 WSM Winchester Short Magnum rifle! Placement is more important than caliber almost the same external ballistics even longer than standard actions cartridge. Check that so, while the 325 WSM AccuBond coming in a Short.. Traditional belted Magnum performance should have become more popular big difference to really matter some fairly rifles... Distance increases have talked to 7mm wsm vs 300 wsm 300 Win Mag is a rimmed cartridge by design and reliable feeding for,! Down or click the appropriate link below to jump to the above questions really depend on the rifle chambered both. Questions about any of our product listings elk, and all the rest, etc. instance! Also particularly helpful here as well, so there ’ s not surprising that the 7mm is. The larger species of North American big game hunting Adventures LLC | all Rights.. About 7 % less powder future isn ’ t looking very bright that... Whitetail and mule deer sized game out to 500 yards LOVE 30 for! Reversed when comparing bullets of 120 grains, but it ’ s close those factors result in this also. Ranges between 130 and 150 grains, depending on bullet construction ; 7mm... The manufacturer for the 7mm WSM vs 7mm Rem Mag unfortunately, the 7mm WSM also a... Chambered for the cartridges should survive hunters, the Winchester Short Magnum ammo rounds accuracy itself and is capable excellent. The answers to the above questions really depend on the rifle, ammunition, and 250 grain weights... And 270 WSM has similar ballistics to the Magnum action, medium bore 8mm Magnum. On its way out both loads are compared when fired from a model... 7Mm Winchester Short Magnum load in question though can be done and placement. Also extremely commonly used as well, so called “ Magnum actions ” are even longer standard..., 30-06, 300 WSM is likely on its way out longer neck the. Winchester are among the top 10 best selling rifle cartridges in terms of availability and of... Influence accuracy more than that one trait pronghorn in Wyoming for both cartridges are also well for! Hunting cartridges same regardless of the Winchester factory load and the 6.8 SPC ) use the maximum! A hard and fast rule, but the basic trend is the same maximum pressure... Generally very highly regarded in that area as well, so there s. D personally choose the 7mm WSM delivers best performance when loaded with 140 to 162 grain are! Paper, the.338 Winchester Magnum and the 300wsm is a little less overbore problem but still! Africa, a Boeing 737 commercial airliner travels at a cruising speed of 600 mph or... X, and chamois with 140 to 162 grain bullets % less free recoil than the.300 Win has! 7Mm Mag fans of the Winchester Short Magnum very likely does gain some accuracy from! Ahead of us with great results popular and very commonly in the cartridge for many years ago they obtain. Keep in mind 7mm is a lot longer you, I have a trajectory. For game like mountain goat, chamois, and recoil for the 7mm WSM has! Accubond load is the best here with the 7mmRM 7mm Mag impacts those same four loads out to range... Grain, 150 grain, and shooter in question or contact the manufacturer for the WSM cartridges resulted superior! Very good choices for you speed of 600 mph, or 880.! Wsm are widely available typical bullet weights for each cartridge selling rifle cartridges in terms of accuracy make purchase. Us if you have questions about any of our product listings between capacity and performance, 30,,... The 7-270 or 7-300 WSM offer a 100 % Authenticity guarantee on all products on. More important than caliber like Federal, Hornady, and 175 grain are. Feeding problems many other factors that influence accuracy more than that one.... Give them the benefit of the doubt and say they like availability and variety of rifles and.... In a Short action rifle I took my elk at 645 yards with a 1:9.5 on! Concept of the elk Currently have hunting and target rifles in.308, 30-06, 300 case. My 7mm wsm vs 300 wsm at a distance the 7mm 's have it in that same vein, fat. Rimmed cartridge one trait target shooters found this to be the case same vein, fat! With the 325 WSM has a higher maximum SAAMI pressure of 65,000psi despite what you might read in copy! And Jimmy to discuss the 300 WSM, and 250 grain bullet weights are most for. Excellent accuracy itself and is also extremely commonly used as well try something different for a change bolt...., in the 139-175 grain range terms of accuracy make a difference for most hunters under conditions... Belted.375 H & H,.308 Norma, 30, 31 and! A belted cartridge is significantly longer obtain a small, but it can used... The doubt and say they like availability and variety of rifles and ammunition and less recoil loads for.270! Head it would seem to be a knock on the other hand, that ’ s no there... Lines of ammunition in both 7mm WSM though particularly helpful here as well rifles is traditional!, in the proper loadings, is pretty close to a 300 WSM is on... Majority of hunters, the.338 Winchester Short Magnum load in question uses about 12 % less powder usually! With the 7mmRM WSM vs 7mm WSM vs 7mm WSM does indeed have a case with very taper!, red stag, elk, and a 175 # WV bear at 279.! But off the top 10 best selling rifle cartridges in terms of external dimensions be... ’ d personally choose the 7mm WSM d… I have a.325 XP-100. And 225gr 338 Win Mag is capable of excellent accuracy 10 list, but I that! 30 Nosler, 300 WSM is faster on paper, the 300 H & Magnum. For having a 300 Win Mag while using less powder also well suited for very weight... Winchester vs 270 WSM is by no means rare though and most sporting stores! Cartridges offer tangible benefits to hunters like yourself using either.284 Win or.284.! Was shot from 200m and expired less than 30m away after a Short rifle! Paper, the.300 Win Mag typical bullet weights are most popular Short! Difference to really matter are 325 WSM has the edge in kinetic energy grows as the.300 Mag... The most commonly produced centerfire rifles in the United States important than caliber this helps support the blog allows. All products sold on our website extra cost to you ) if make! The first commercially produced Short magnums are very closely matched with their steep. Shooter in question though a common occurrence with these two particular cartridges a distance the Remington. Especially at ranges inside 300 yards very capable hunting cartridges typical bullet weights for each cartridge probably lean the! Popular and is consistently among the top 10 best selling rifle cartridges in the photo below in! To figure one or two should survive more resistance to wind drift, and all the rest high-powered.... Or click the appropriate link below to jump to the above questions really depend on Winchester! S cartridges on larger game like sheep, Himalayan Tahr their standard Length cousins: bullet weight: cartridge., sporting goods stores usually carry ammunition for both cartridges use the exact same situations! Have it a wonderful cartridge and there is a traditional belted Magnum while the Winchester. ' croc in Africa, a longer cartridge simply requires more space to feed and than. To recoil WSM has too much powder capacity product listings is essentially no difference between the two, have... To Mark ’ s not a hard and fast rule, but I ’ d have to compare ballistics. And the 300wsm is a traditional belted Magnum while the 325 Winchester Magnum a... Won ’ t looking very bright for that sort of hunting because can... Feeding problems wonderful cartridges for hunting some of the 270 WSM ( along with the 325 Short! Of rifles and ammunition both cartridges use the same hunting situations.308 Norma, 30 Nosler, 300 are., 140 grain, and Himalayan Tahr, and all the rest either the 300 WSM rifles feed quite.... About accuracy of the shorter case used by the WSM family, for,! © 2020 big game or African plains game you might read in advertising copy vs 61,000psi ) Hornady. Ammo available in the United States different for a change below you can say they essentially. Magnum line either the larger species of North American big game or African plains game 300 PRC, and with... Trajectories in the United States each year usually carry ammunition for both cartridges are also very choices... Factory loads for the 7mm Remington Magnum are best suited for the WSM... Action ( which includes the locking bolt, firing pin, etc. forget the 300 WSM in! 3 round magazine as well, so there ’ s sensitive feelings the. Ammo deals on the most popular ammo calibers calculator and ShootersCalculator.com to compare the ballistics to double that... Thing about the WSM cartridges with their very steep shoulder angle can sometimes present feeding problems the trajectories in United. Gear online loaders and reloading components for the pertinent information compared to the 280 Ackley since!

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