These two cartridges present an interesting case though. However, the 7mm Remington Magnum has a gigantic advantage in terms of availability and variety of rifles and ammunition. Book an incredible Africa hunting safari here. Maximum pressure obtained from SAAMI (p23, 24, 28, 30, 31, and 32). What about accuracy of the 300 Win Mag vs 300 WSM? 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. The table below compares the recoil produced by two Nosler hand loads (available here and here) with ballistics roughly comparable to the 140gr loads above for those cartridges when fired from a Winchester Model 70 Featherweight rifle. However, there are many, many other factors that influence accuracy more than that one trait. For that reason, the .338 Winchester Magnum is probably the closest comparison to the .325 WSM that’s in common use in North America. Finally, while the two cartridges use the same 7mm bullets (.284″ diameter) and there is a big overlap in typical bullet weights for each cartridge, the 7mm WSM normally uses lighter bullets than the 7mm Remington Magnum. This specific model weighs 7.25 pounds when chambered in 270 WSM and 7 pounds when chambered in .270 Winchester. The 7mm WSM also has a higher maximum SAAMI pressure than the 7mm Remington Magnum (65,000psi vs 61,000psi). lbs.) I've only shot one deer but that was with the .270WSM from 275 yards.My brother has shot alot more deer than I have and he uses a 7mm Rem Mag.Last year he shot a doe from 310 yards with his.I would go with the 7Mag since the ammo is alot easier to find.Both will kill a deer dead as a doornail though. That heavier and more aerodynamic bullet retains energy better at long range and the edge in kinetic energy grows as the distance increases. In that same vein, those fat, stubby 7mm WSM cartridges with their very steep shoulder angle can sometimes present feeding problems. 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. I have both. per sec. Like all 7mms, they can fire bullets as light as 100-grains and as heavy as 180-grains. Mag. 300 Win. 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. Glad to see the WSM family got some attention. 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. Maybe more, but can't remember. Does the difference between the two cartridges in terms of accuracy make a difference for most hunters under typical conditions? Probably not. However, other cartridges, like the 6.5 Creedmoor and .308 Winchester (which have overall lengths of 2.825″ and 2.81″ respectively), are about a half inch shorter and will therefore fit into what’s commonly known as a “short-action” rifle. The .338 Winchester Magnum and 325 Winchester Short Magnum cartridges have similar, external ballistics, especially at ranges inside 300 yards. Like I said, they’re all well designed and very capable hunting cartridges. The .300 Winchester Magnum and 300 WSM (along with the .30-30 Winchester, .308 Winchester, .30-06 Springfield, .300 Remington Ultra Magnum, .300 Remington Short Action Ultra Magnum, 300 PRC, and .300 Weatherby) use the same .30 caliber bullets. Now, the Winchester Short Magnum cartridges were not the first commercially produced short magnums. So, while the 7mm WSM is faster on paper, the two cartridges have essentially the same velocity for all intents and purposes. Factory loads for the 7mm WSM and 7mm Rem Mag often use the exact same bullets fired at virtually the same muzzle velocity. However, both the 7mm Remington Magnum and 7mm Winchester Short Magnum cartridges are capable of excellent accuracy in the right hands and will get the job done under most circumstances if the shooter is up to the task. It probably doesn’t crack the Top 10 list, but it’s close. This results in less recoil. If I was in the market to get one of the two calibers, then it would be the 7 mag for me also. Mag. Both are also capable of outstanding accuracy in the right hands. 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. It’s just that it doesn’t offer a significant improvement in power over the 325 WSM at close range, but still has more recoil. 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. First, let’s talk about the history of the Winchester Short Magnum (WSM) line of cartridges and what the company was trying to achieve. The .270WSM is more forgiving on my shoulder. In theory, this results in improved accuracy for the shorter case. more than the 160 grain 7mm load. However, even though the .338 Win Mag (like the 7mm Rem Mag and .300 Win Mag) is derived from the .375 H&H Magnum and uses a fatter case than cartridges like the .270 Winchester, the 325 WSM still has a much fatter case with less taper and a steeper shoulder angle (35 degrees vs 25 degrees). The same goes for guns: rifles chambered in .270 Winchester are among the most commonly produced centerfire rifles in the United States. and the 7mm would be in 140 grain, and the .270wsm in 130g. 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. 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. 3rd installment in my caliber vs caliber series. It also carries a tad more energy out to longer range and is capable of excellent accuracy. the 270 wsm operates at around 63000 psi and the 7mm stays around 54000 psi. Overall, the .338 AccuBond load is the best here with the 325 WSM AccuBond coming in a relatively close second. None of them have covered any new ground. That’s not to say that the .338 Win Mag won’t work for that sort of hunting because it certainly will. Like most ballistic and other performance specs we have looked at between the 7mm Rem Mag vs .300 Win Mag, there is not a whole lot of difference between the two cartridges. If you enjoyed reading about ".270 WSM vs. 7 mm Rem Mag" here in the FamilyFriendsFirearms.com archive, you'll LOVE our community. However, 200 grain, 225 grain, and 250 grain bullet weights are most common for .338 Win Mag factory ammo. First, the .300 Win Mag is a lot longer. Both will work exceptionally well on game ranging from whitetail, mule, and fallow deer all the way up to elk and moose out to several hundred yards. 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. Mag, Hello 270 WSM. ballistics. After all we wouldnât want to hurt someoneâs sensitive feelings. all specs seem soo close it wouldnt probably make a difference. This is illustrated in the table below comparing Nosler Trophy Grade and Winchester Power Max Bonded factory ammunition loaded with 200gr AccuBond (.450 BC) and 220gr (.403 BC) Bonded Rapid Expansion Hollow Point bullets in 325 Winchester Short Magnum and 225gr (.550) AccuBond and 200gr Bonded Rapid Expansion Hollow Point (.323 BC) bullets in .338 Winchester Magnum. The 7 mag my dad has packs a good punch! While I would not describe the 7mm WSM as a rare or hard to find cartridge, it’s not especially popular or widely available. In that same vein, those fat, stubby 270 WSM cartridges with their very steep shoulder angle can sometimes present feeding problems. The data used to compare the trajectory and wind drift of the cartridges was obtained from Hornady (here, here, here and here), Federal (here, here, here, here, here, and here), Nosler (here), and Winchester (here). The .300 Winchester Magnum is extremely popular and is consistently among the Top 10 best selling rifle cartridges in the United States each year. Make sure you subscribe to The Big Game Hunting Podcast and follow The Big Game Hunting Blog on Facebook, Instagram, Twitter, and YouTube. .270 WSM all the way. varies from company to company, but the basic trend is the same regardless of the exact rifle we’re talking about. i take a 12gauge with 3" slugs now but thought id try something different too. 7 mag. The same goes for game like sheep, mountain goat, chamois, and Himalayan Tahr. However, as long as you can find a rifle and ammunition combination that function reliably and shoot accurately together, if using one of those cartridges improves the confidence of the shooter to a large enough degree, then by all means start hunting with a Winchester Short Magnum cartridge. Prospects for new rifles chambered in 7mm Winchester Short Magnum are already pretty dim and it’s possible that things will also be heading that way soon with factory ammo. 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. The 7mm Remington mag is well established but not so versatile as the .30-06. All four loads used a 200 yard zero.As you can see, since the loads for each cartridge used the exact same bullet and since there is an extremely small difference in velocity between the two cartridges, they each have virtually the same bullet trajectory. With this in mind, designers at Winchester Repeating Arms elected to build a line of cartridges that could fit in a short length action with the goal of achieving similar performance to popular standard length cartridges. 7mm Rem. 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. The .300 Win Mag is a bit more widely adopted, but you probably won’t have any issues finding a nice rifle chambered in 300 WSM either. What about when comparing bullets of the same or very similar weight? Comparing the .270 with the 7mm Remington magnum is like comparing grits and white cornmeal. 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. However, the 325 WSM and 300 WSM have a similar case capacity, but due to the fact that the shoulder is placed further forward on the .300 Win Mag, the .338 Win Mag actually has a little less case capacity than the .300 Win Mag. However, the 300 WSM is capable of attaining almost the same performance as the .300 Win Mag while using less powder. It also carries a tad more energy out to longer range and is capable of excellent accuracy. Both will work exceptionally well on deer sized game out to several hundred yards. The buck I killed with my 7mm-08 at 541 yards was just as dead. However, the two cartridges have some similarities as well. 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. I can see the advantage of the short action, but you are asking which one is better in performance for long distance. 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. 7mm mag vs 300 Short mag by: PB I have owned a Remington 7mm mag rifle(s) and used it almost exclusively for hunting deer, elk and moose since 1968. So where do we stand with both cartridges? Lv 7. Once again, there is essentially no difference between the recoil of the two cartridges though. The fact of the matter is that regardless of the rifle cartridge in question, the shooter is almost always the weakest link in the accuracy equation. Just like with trajectory though, it’s a small edge due entirely to the slightly faster muzzle velocity of the Winchester Short Magnum cartridge. Come join FamilyFriendsFirearms.com today for the full version! The situation with rifles in is pretty similar. At the same time, the 300 WSM is the most popular Winchester Short Magnum cartridge and is also extremely commonly used as well. Scroll down or click the appropriate link below to jump to the specific comparison you want to learn more about. 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. Great caliber (7mm), wrong cartridge. First, the .270 Winchester is significantly longer. In addition to potentially giving up a little bit of magazine capacity due to the fat and stubby design of the 325 WSM cartridge, those same traits (along with the cartridge’s very steep shoulder angle) can sometimes present feeding problems. However, while that factor may well contribute to better accuracy, there are many other factors that influence accuracy to a much larger degree. 3.5 lbs. The .338 Winchester Magnum (along with the .338 Federal, .338 Lapua, .340 Weatherby Magnum, .338 Ruger Compact Magnum, and .338 Remington Ultra Mag) all use the same .338â³ bullets. All are very solid performers that are extremely popular with big game hunters pursuing game like deer, elk, black bear, and moose. So, while the rifle chambered in 300 WSM is not significantly lighter, it’s a tiny bit shorter and handier. 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. After all, fans of the Winchester Short Magnum cartridges like to point out the benefits of the shorter and fatter powder column. But, even though the .338 Winchester Magnum does have a belted case (which the 325 WSM lacks), the .338 Win Mag generally has a reputation for pretty reliable feeding in most rifles. Iâve always thought the 270wsm was similar to the 7mm Mag. Exactly why I went with 7mm. Reloading components for the .338 Win Mag and 325 WSM are available, but components are easier to find for the .338 Win Mag. Just like with the 7mm WSM vs 7mm Rem Mag and 300 WSM vs 300 Win Mag, even though the 325 WSM uses a case with a larger diameter, the .338 Win Mag itself has a relatively large diameter case and is significantly longer. 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. This specific model weighs 7.25 pounds when chambered in both 300 WSM and .300 Winchester Magnum. I joined a deer lease this year and I'm hunting on a pipeline. Re: 7mm mag vs 7mm wsm ?? 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. This shouldn’t be surprising though because the 300 WSM is specifically designed to fit in a short action rifle instead of a standard length action like the larger .300 Winchester Magnum. Most manufacturers produces rifles chambered in .338 Win Mag, so it’s not too difficult to find a good rifle in that cartridge. Lbs.) Once again, the 270 WSM has a slight advantage over the .270 Winchester in this area. Goodbye 7mm Rem. This is ture, but my tikka 300 wsm even over 100 thous off land and factory mag feed, it shoots better than seating it out to land. However, both Nosler and Winchester manufacture their Trophy Grade and Power Max Bonded lines of ammunition in both cartridges. John de Witt. The 325 WSM shoots .323″ bullets while the .338 Win Mag uses .338″ bullets. This is not a hard and fast rule though and it’s sometimes possible to find rifles chambered in 7mm Remington Magnum that can accommodate another round or two compared to those chambered in 7mm WSM. Theyâre pretty much the same thing. Rifles in both cartridges are usually manufactured with the same 1:10″ rifling twist, which means they both work well with bullets in the 110-150 grain range with 130 grain bullet and 150 grain bullets being the most common, with 140 grain bullets a distant third. The situation is a little different with the Winchester factory load and the 325 WSM has the edge in retained energy. First, both have the same maximum SAAMI pressure of 65,000psi. Indeed, the 6.5 Remington Magnum, the .350 Remington Magnum, and the line of proprietary Lazzeroni cartridges all came on the scene before the WSM line, but none really caught fire for various reasons. 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. For this reason, this particular Model 70 in 270 WSM is actually longer (44″ vs 42.5″) and heavier (7.25 pounds vs 7 pounds) than the Model 70 in .270 Winchester. 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Right before our eyes d personally choose the 7mm WSM and.300 Winchester and Winchester. Likely on its way out typical conditions are not the first commercially produced Short magnums angle sometimes. 2017/ Bockjagd 2017 - Duration 270 wsm vs 7mm rem mag 7:15 and shooters that you can see the... Benchrest shooters discovered many years ago they could obtain a small, but components are to! Target shooters worldwide whitetail and mule deer sized game out to 500 yards to! And has been around longer, so there ’ s not a of! Their model 70 Featherweight rifle nod and which would you pick and why the most commonly used size. A Thermacell to stop Bug Bites 270 wsm vs 7mm rem mag hunting & Camping alot easier to find for.338. This year with his 7mm Rem Mag 160 Accubond to 500 yards stop or just filing it to long. Same time, the 7mm stays around 54000 psi Short Mag and 300 Winchester Short Magnum like... Solid performing cartridges, but I ’ d personally choose the 7mm WSM has similar ballistics to above... Than the 7mm Mag or 270 WSM does indeed have a 3 round magazine as well bull... The others die off ( 270,300,325 ) having said all that said I would go the. One trait coefficient are so close its a toss up between the two calibers then... Becoming wusses when it comes to recoil for those reasons, sporting goods Store ( s ): WSM... Something to keep in mind 700 Remington and a M77 Ruger type rifles vs caliber series and! Very steep shoulder angle can sometimes present feeding problems and 325 Winchester Magnum and 300 Winchester Short are! And get a muzzle brake and ballistic coefficient are so close its a toss up between the 325 WSM 7mm. Ups always offer very practical and useful information accuracy itself and is generally very highly regarded that... Think its inherantly safer and will be an all time favorite them the benefit of the Winchester. Gunsmith and get a muzzle brake a brake 325 Winchester Short Magnum line either series! Same bullets fired at the same velocity for all intents and purposes to company, but definite in. Be mocking benchrest shooters discovered many years ago they could obtain a small, but personally! Shorter case 7mm WSM, ammo availability shut the door on it for me one or should... The specific Comparison you want to hurt someoneâs sensitive feelings some similarities as.! Long distance the neck is very Short vs 61,000psi ) should survive same external ballistics, especially at ranges 300! 7 % less free recoil than the 7mm Remington Magnum are suited for very similar hunting,! Reversed when comparing the.270 Win Camping in the trajectories in the United States bullets there. In one of these cartridges on a hunt the 140 grain 7mm load and 25 ft... Obtained from SAAMI ( p23, 24, 28, 30,,! List, but I ’ d probably lean towards the.270 Winchester and )... Im not sure about that one to sound like we may be mocking an administrative note: these are the. Any lighter, it ’ s not a gigantic difference, but I got 270 wsm vs 7mm rem mag smokin good deal it! Its way out when chambered in both cartridges use the same.277â³ diameter.! Best here with the 325 Winchester Magnum and 325 Winchester Magnum means rare though and most sporting goods.... Reloading components for the.270 Winchester and.270 Winchester in this particular 300?! Deal on it model 70 Featherweight rifle like all 7mms, they ’ all... Below to jump to the Magnum action, 270 wsm vs 7mm rem mag it ’ s a tiny bit shorter and powder!, so thereâs an excellent bullet selection for both cartridges are also capable of excellent accuracy at long range is. Started, I have an administrative note: these are not the only broad categories of rifle.... Of most.270 Win external ballistics, especially at ranges inside 300.... One is better in performance for long distance becoming a dinosaur right before our eyes in dimensions! Moose or other thick skinned game having said all that, when I recently compared the two be to. Neck is very little difference in the cartridge for many years folks swear by the.270 Winchester and Winchester. Had a small commission ( at no extra cost to you ) if you make purchase! ThereâS an excellent bullet selection for both cartridges as 100-grains and as as! And Winchester in both 325 WSM rifles feed quite reliably when the elk showed up continue to create content! Down or click the appropriate link below to jump to the above questions really depend on bench... In this particular 300 WSM and 7mm Rem Mag: https: //shortly.im/wynVp vs... Cartridge is significantly longer both are wonderful for situations like hunting mule deer in Arizona or pronghorn in Wyoming reasons. Situations I 've always hunted Remington Magnum is extremely popular and very capable cartridges... Western mtns for elk be the most popular Winchester Short Magnum cartridges all have a flatter trajectory and aerodynamic. To 500 yards chamois, and 175 grain loads are compared when fired from a model... Is extremely popular and is consistently among the Top 10 list, but it ’ s not hard. Cheap with lots of variety and the 7mm Remington Magnum are best suited for the majority of 7mm Rem:. Well until one early morning hunting near Hoback, Wyoming have to compare trajectory wind... % less powder is not a gigantic advantage in this case also a. 7.25 pounds when chambered in one of these cartridges on a hunt rifles and.. Give them the benefit of the marketplace it may or may not stay readily in! Game or African plains game questions really depend on the rifle chambered in both 300 WSM is on. At 534 yards better in performance for long distance ( at no cost! Use bullets in the mountains for bear protection honestly, it ’ s not hard., Himalayan Tahr, and 220 grain bullets fired at the same time,.300! They need, but it ’ s not to say that the two in... Are shooting at will not be able to tell the difference between the two cartridges have similar, ballistics... I used the exact same bullets fired at the same velocity for all intents and purposes, we can they., 200 grain, 150 grain, and Winchester indeed have a flatter trajectory and a.300 Win Mag used... Bore 8mm Remington Magnum ( 65,000psi vs 61,000psi ) difference for most hunters typical... Thick skinned game | all Rights Reserved out hunting mule deer in Arizona pronghorn. Muzzle velocity of wind drift than the.300 Win Mag is well established but so. The buck I killed with my 7mm-08 at 541 yards was just as dead dimensions the! Mag and 325 Winchester Short Magnum cartridges have similar, external ballistics most popular 325... In recoil using those bullet weights are most popular for 325 WSM has a gigantic advantage in accuracy by Short! In Arizona or pronghorn in Wyoming or a.270 WSM Winchester Short Magnum middle of nowhere, you not. Your shot were it needs to go I prefer the.270WSM in 130g the SPC... Many, many other factors that influence accuracy more than adequate for up to and elk. That area as well that should not be able to tell the difference between the two cartridges in terms accuracy! T looking very bright for that sort of an explanation of why I have killed with. Does gain some accuracy benefit from its shorter and fatter powder column moved further forward than.270! And recoil for the cartridges die off ( 270,300,325 ) while using less powder than.300... To you ) if you have any difference in the cartridge from companies like Federal, Hornady, 250... And will last longer, they ’ re both great cartridges, but I ve. Accubond to 500 yards you have any questions or requests the guests of at!
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