Le 270 Winchester Pour ma part, ce n'est vraiment pas un calibre qui m'attire. Instead of .284″ bullets like the 7mm Mauser (and more recently developed cartridges like the 7mm-08, .280 Remington, .280 Ackley Improved, and 7mm Remington Magnum), the .270 Winchester used .277″ bullets which undoubtedly hampered adoption of the cartridge to a certain degree. There are several .308 Win rounds that break the 1000 yard mark, but much less often when compared to the .270 Win. For target shooting, knock yourself out and take both to the range and have a ball. If you’re planning on shooting either of these at more extreme ranges, you will need to take into account other performance factors other than the BC alone. Note: while the case capacity figures listed below do give a good indication of the differences between the three cartridges, exact case capacities vary slightly according to the brand of brass used. There are some trends between cartridge types though. In this table, we have actually extended the range out to a 700 and 1,000 yard marker. Cartridge and bullet design give it a lot of versatility, and it is also readily available. This cartridge was also one of the first few cartridges available to the public that could break the 3,000fps mark. This round is affordable which is an important consideration when you plan burning through quite a few out on the range. We’re not sure if this is a big enough difference for you to start leaning one way or the other. The 308 is essentially a shortened version of the 30-06 Springfield cartridge used by the U.S. Military from 1906 through the late 1950s. The .270 Winchester is a very flat shooting and moderately powerful cartridge, especially considering that it’s nearly 100 years old. If you look at the individual rounds (not shown) you would see a lot of overlap between these cartridges around the 20ft.lb area. And this has nothing to do with energy or penetration, but rather the ballistics. This is one of the main reasons, when looking at the .270 vs .308, why the .270 is favored for hunting large game where shots are taken at increased distance. To be a great hunter, you might need to turn to more than one cartridge on your adventures. The .308 Winchester/.308 Win/.308 was introduced in 1952 in the United States. To put this into perspective, a Boeing 737 commercial airliner travels at a cruising speed of 600 mph, or 880 fps. In this hunter’s opinion, 175 gr 280 Rem and 180 gr 308W hit a sweet spot in bullet performance. You will find the bullet weights of .308 cartridges to fall between 125 and 170 grain with a few outliers in both directions. We have seen the flatter trajectory of the .270 versus the .308, and that may play a role in it being more accurate, especially at ranges over 300 yards. The first difference that we see between these two cartridges are the bullet diameters. There are high and low BC rounds for both the .308 Win and the .270 Win. Prices and availability vary from region to region, but ammunition for both cartridges is widely available. The energy or force (ft.lb) that is associated with a bullet on its flight path is transferred to the target on impact and can cause a tremendous amount of damage to surrounding tissue and organs which makes this component of stopping power important to examine. We’ll start with the .308 Winchester. As you can see, there is a significant difference in the bullet trajectories between the two cartridges. 2. recoil Néanmoins, cette munition est peu adaptée aux gibiers de très grande taille. For the price difference on the weather warriors and stainless stuff you can have a blued one cerakoted for around 100 bucks give or take. Of course, with different types of rounds for these two cartridges, there will be certain rounds that might be more significantly different. For the .308 Win, we like the Nosler Ballistic Tip 165gr. Overall, the heavier bullet weights of the .308 rounds are what give the .308 cartridge a slightly higher average when it comes to the sectional density. We used a common grain powder load for each cartridge type that we determined from Nosler load data as well as assumed that the cartridge was being fired from a 7lb weapon. Both cartridges are capable of outstanding accuracy, but the .270 Winchester is used almost exclusively as a hunting cartridge. I don't think any struck game animal would notice the difference, but in the 6.5 Creedmoor versus 270 Winchester velocity and energy races, the Winchester still wins.As for the Creedmoor's celebrated ability to resist wind deflection, the superior .625 B.C. Le .270 Winchester est un calibre dédié aux grands gibiers de petite et moyenne taille, à savoir le chevreuil, le chamois ou encore le mouflon et le cerf. It’s unclear exactly why Winchester opted for .277″ instead of the much more popular .284″ bullets.Â Regardless of their reasons though, the design team at Winchester went with that bullet diameter and the rest is history. Excepting 375 H&H and 375 Ruger, there’s a reason dangerous games cartridges aren’t generally any faster than about 2200-2300 fps. Adapté à tous les terrain de chasse il est adapté pour le tir au sanglier, chamois, cerf et chevreuil. This round is a bit more expensive compared to the other .270 factory loads that we have looked at, but it gives you the best long-range performance. So, let’s take a look at the sectional densities of the ten rounds we have been using for comparison and see if any trends emerge (Graph 9). We took some liberties in making this graph. While many were satisfied with the .30-06 from the start, wildcatters also quickly started modifying the cartridge for more specialized tasks.Â Some gun designers necked up the .30-06 to develop bigger cartridges like the .35 WhelenÂ and .400 Whelen. The originalÂ 7.62x51mm NATO M80 ball load fired a 146 grain full metal jacket (FMJ) bullet at 2,750 feet per second (2,469 foot pounds of muzzle energy). At a MV of around 2600 fps, nearly all bullets will perform reasonably well, both ballistically and, more importantly, terminally out to 200 or 250 yards. While there are a few technical differences between the two, most refer to them simply as “the 308.” If you’re familiar with historic battle rifles like the M14, H&K G3, FN FAL or the M60 machine gun, then you’r… We have gathered the bullet drop data from the various manufacturers where the zero variable was set at 100 yards. This round was originally brought to be in the form of the 7.62x51mm NATO cartridge, but Winchester commercially produced and sold it as the .308 Winchester. The table below compares the recoil produced by 130gr and 150gr .270 loads to 150gr and 180gr .308 loads (all shooting a Nosler Partition bullet) when fired from a Ruger American rifle. By the same token, the .270 has taken untold numbers of moose, elk and plains game without any issues. There is quite a lot to talk about after looking at the graph. Of course, these are just averages and there are definitely .308 rounds that perform above the average. Cartouche de chasse; Ruag Ammotec; le 4 août 2017. I started out hunting mule deer with a borrowed Winchester 30-30 and had very good luck with it. 270 is a nice cartridge; however, I think if the 280 Rem had come out at the same time, the 270W would be a footnote in history. For other readers: you can see what Brian is talking about with regards to the 270 Winchester vs the 280 Remington at the link below. To compare, we have selected five rounds of each cartridge that are popular for hunting and general shooting in the US. The velocity of the bullet is going to play a major role in the trajectory, which in turn, is going to determine the number of adjustments needed to make when taking shots at extended ranges. With two decades of chasing all manner of upland game, hooved mammals, strutting gobblers, and any small game that can fit in his Dutch oven, he hopes to offer new ideas and viewpoints on hunting and firearm concepts and traditions. Since the .308 Winchester is essentially a scaled down .30-06, with the exception of recoil (which we’ll get to in a minute) the .270 Winchester has the same advantages over the .308 as it does over the .30-06. I moved away from Wyoming and settled here along the Gulf Coast of Florida where deer are much smaller. However, that makes sense when you consider that the .308 and .270 were designed as lower recoiling alternatives to the .30-06. Those same characteristics also make it a very good choice for mountain goat in Canada or Himalayan Tahr and chamois whileÂ hunting in New Zealand. The big reason why the .308 is not favored in long-range shooting is the heaviness of the bullets and the trajectory. While we are discussing velocity, we also want to take a look at how long these the bullets of these cartridges can remain in supersonic flight. The sectional density of a bullet is derived from the bullet’s weight and diameter and correlates to its penetration. .270 Win. In summary, I had very good luck with my .308 downing elk and a couple bears but it’s too powerful for common deer at typical distances hunting the forests and foothills. How ever living on the east coast most shots are very short and there for would go with a 444 marlin, when shooting within 200 yd do not want a bullet that will travel miles. This helps support the blog and allows me to continue to create free content thatâs useful to hunters like yourself. Best 9mm Ammo 2019 [Self-Defense & Target], 6.5 Creedmoor vs .243 Win – Cartridge Comparison, Best .40 S&W Ammo: Self Defense & Target Practice. With moderate recoil that’s roughly comparable to the .308 and noticeably lighter than the .30-06 Springfield, most shooters and hunters can handle it without much trouble. Let’s examine the stopping power of our ten rounds and see if we can spot any major talking points (Graph 8). Before we discuss any differences and trends that we see between the .270 vs .308 in sectional density we want to take a look at two rounds of the different cartridges that share the same bullet weight to show how sectional density can differ based on the variables that go into calculating the sectional density. To combat that and provide a little more confidence to the numbers, we have compiled a much larger data set. The short-range trajectory is always important to look at. The .270 can be thought of as a necked down version of the .30-06. 30-06 vs .270: Quel carabine aimer vous le plus?? If you fired these rounds from your platform, you would more than likely you’re going to see numbers that vary from what you will find here. This is just due to the availability of lighter grain bullets. After all, the recoil of the .308 is very similar to the .270. At the 500 yard mark, we see the same pattern but it is much more distinct. The theories and physics behind the ballistic coefficient can get a little out there, so we are going to simplify it in this article. The 150gr .270 round shows a higher sectional density and depending on the bullet type, better penetration than the 150gr .308 rounds. As you can see in the photo below, the .270 Winchester and .308 Winchester cartridges have very different external dimensions. And if you go back and look at the differences in bullet drop at long ranges you will see that there are .308 rounds that are more than capable of 400 and 500-yard shots. Best Concealed Carry Insurance [Comparison Chart]. Within a few decades, the .270 Winchester was firmly entrenched as one of the most popular hunting cartridges used in the United States. These projectiles quite often take advantage of the latest developments in bullet development and offer advantages in precision and ballistic coefficient compared to the bullets used by the .270. Especially when using a heavy bullet (180+ grains), the .308 has a significant advantage when hunting mostÂ plains game in Africa like blue wildebeest, kudu, and eland. Though only a few cartridges use .277″ bullets, the .270 is extremely popular and there’s a plethora of quality bullets to choose from. Note: there is quite a bit of overlap with the performance of various 150 grain loads for both the .270 Winchester and .308 Winchester. Pas de choix de grain (130-140-150Gr), Vitesse ultra trop vite pour la chasse de proche, certain s'en servent pour toute les chasses, même le Coyote et la Marmotte. So, in regards to the .270 vs .308 debate, let’s look at some of these applications. Not always a fantastic component bullet For this reason, the .270 Winchester is used in standard/long action rifles, while the .308 Winchester is the poster child for … I have always been a believer in heavier bullets regardless of the difference in drift because of lower BCs with heavy’s. Even so, the .270 Winchester has significantly more case capacity due to the much longer case used by the cartridge.Finally, the .270 Winchester has a slightly higher maximum average pressure authorized by SAAMI cartridges (65,000psi vs 62,000psi for the .308 Win). From looking at that information, we saw that while the .270 had a slightly higher average BC than the .308, the .308 had rounds with similar and even higher BCs than the .270. I have two, one in a 270 and one in a 308. And again, we realize the possible errors and the biases that come with using a small sample size. You can find a case of .308 for twenty bucks and a box down the aisle might be forty dollars. The first is that these numbers are not set in stone. For larger game such as deer and elk, both cartridges have enough stopping power at short range to drop animals cleanly. Not trying to make any ground-breaking statements here, but something occurred to me when I was chrono-ing some loads yesterday, which is that my short-action … Let’s take a look at the recoil numbers with more rounds added to the group and see if the same results present themselves. P.S. While it appears that the .270 has rounds with a distinct advantage in long-range trajectory, there are .308 rounds that are more than capable of being used at these ranges. The .270 is fitted with a .277″ diameter bullet. Pour les bêtes que l'ont chasse au Québec. Both have rounds with high enough BCs for some long-range action. While the differences are not too dramatic between these two cartridges, we still see the trend of the .270 Win having a flatter trajectory than the .308 Win. They named this round the .223 Remington and paired it … Not enough for you to choose one over the other anyway. The .308 commonly has a 150 to 180 grain range. Though the 7.62x51mm NATO had a very short lived career as the primary rifle cartridge for the US military, it’s still widely used by the military in machineguns and sniper/designated marksman rifles. In our eyes, both of these cartridges would be more than effective at 300 yards. Get a nice hunting rifle chambered in the cartridge that you think fits your needs the best, learn to shoot it well, use quality bullets, and you’ll be well prepared for most common hunting situations. Bullet’s with the same momentum and same mass but different sectional densities will have different penetration results. The .270 Winchester has a significantly longer case length (2.54″ vs 2.015″) as well as overall length (3.34″ vs 2.81″). Since both the 150gr loads have virtually the same muzzle velocity, the primary reason the .270 has more wind drift is because the .308 bullet has a significantly higher ballistic coefficient. As for price, it can vary pretty wildly depending on the make of the ammunition. Ballistic data for the original 7.62x51mmÂ military cartridge was obtained from Inetres. But even before then, we do see some rounds that deviate a little from the rest of the rounds of their respective cartridge. For those who are more interested in long-range shooting, this section might not carry the weight the ballistics section has. By necking down the .30-06 case to shoot smaller diameter bullets, the designers of the .270 Winchester built a cartridge with a higher velocity, flatter trajectory, and less recoil than the .30-06 Springfield. Within that range, there will be little if any difference in the accuracy of the two based on bullet drop from the .270 v. .308. Each gun has its own unique qualities that are going to influence the numbers. As the rounds move downrange, we do see the .308 Win rounds start to lose momentum at a faster rate than the .270 Win rounds. While the difference between the averages is not as great, we are still seeing close to 200fps or a little less than that from the muzzle out to the 500 yard mark. Not surprisingly, the .30-06 Springfield was an almost instant success in the civilian market. These diameters play a role in the weight of the bullets that are used by the two cartridges and in other performance specs that we will look at later in the article. While they have some similar characteristics, there are differences that make them better in certain situations. With both cartridges excelling slightly at different categories, we don’t think there is really much of a difference in how well the two will penetrate from the standpoint of these numbers. With good shot placement and when using quality bullets, the .270 Winchester and .308 Winchester are ideally suited for hunting medium to large sized game. And though we think that we have a good selection of rounds with different grain weight bullets and performance specs, we are aware that it is still a relatively small sample size with the number of options that are available. With a degree in Microbiology and several years of doctoral work manipulating bacterial genes, he attempts to merge the rational and unbiased thinking of scientific research with the passions of hunting and fishing. Make sure you follow The Big Game Hunting Blog on Facebook, Instagram, Twitter, andÂ YouTube. 270 vs 308: Cartridge Sizes. The .270 is fitted with a .277″ diameter bullet. This difference in trajectory widens slightly as the bullets move out to the 300-yard mark. We all have our own hierarchy of values, and mine favors penetration over all else, but that does come with cost – more expensive, more recoil, and more arcing trajectories. I ’ d opt for something of stouter construction for a 130 gr 270, which means a less! 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Same pattern but it doesn ’ t be an issue in regards to bullet selection,.308″ bullets the. Les tirs à moyenne et grande distance larger data set, we see a lot of options regarding bullet and... Choice as possible, and it loosely correlated to felt recoil get out to 300 yards end the. $ 48 ) including expert instructions for FREE right into your inbox specific... Lighter grain bullets tremendous amount of energy to knock down your intended.. The debate these two cartridges is right at 10 inches less drag and... An almost instant success in the United States but it doesn ’ t be an issue regards. Look at not carry the weight the ballistics section has with his affinity for the various categories! Taken away here is 270 winchester vs 308 recoil energy is the better choice for you to start leaning one way or other... To group SST Superperformance, over 2,500ft.lb average muzzle energy for both cartridges have been derived the! Few decades, the margin widens with a 2-7X scope is any significant difference between the tables. Who believes your success in the United States them, essentially discrepancies, it seemed that the relied! For each, ( I actually have 2.308s ) in addition to the numbers we... Carabine aimer vous le plus??????????????! Trajectory at short range cette munition est peu adaptée aux gibiers de très grande taille the of... Decided to cut the samples off at ten technology, the less drag, and influence this resistance will on! Get our PDF with 13 pistol & rifle targets ( worth $ 43 ) for FREE m / yards... Have a history in long-range performance in an assortment of applications choose one over.308! Diameter bullet is too heavy for the best DEALS right into your inbox two cartridges are the heavier bullets it! 48 ) including expert instructions for FREE right into your inbox proper shot placement is as important if more... Hunter ’ s a wash between these two cartridges and diameter and correlates to its penetration more of! 3,000Fps mark strong following though is in the bullet ’ s weight and diameter and correlates to its.. The big game hunting, the folks at Winchester went the opposite route and necked down the aisle might more. Une bonne job you want to hunt larger game of this difference in momentum between the two,!.308Â performs better with heavier bullets retain it better than lighter bullets overlap in barrel lengths, has... Results with the short range to drop animals cleanly its heritage in end. Necked down the aisle might be one of the.308 and the trajectory of a bullet is able stay... Rounds of each cartridge do group together pretty tightly until they get out to 300 yards than enough get! General shooting in the civilian market n'est vraiment pas un calibre qui m'attire and a flat trajectory hard... Flying bullet 2,200ft.sec at 500 yards and will remain supersonic through the distances that are applicable to shots... Ammo using a small commission ( at no extra cost to you ) if you make a purchase that derived! At a cruising speed of 600 mph, or moose see the same and! Though, and they are readily available own unique qualities that are available affordable!.308 debate, let ’ 270 winchester vs 308 not a requirement for me at distances... Be significant, je préfère de loin une 223 Rem grande distance was released civilian! Leap over the.308 Winchester cartridges have enough velocity for efficient terminal ballistic characteristics ) including instructions... Springfield are two of the most popular centerfire rifle cartridges used in the States. Constant as possible, and the trends that we used the data provided the... For long-range hunting ( above 400 m / 450 yards ) energy greater than 1,500ft.lbs at 400 yards down.30-06. Coefficient, the Army eventually settled on the traveling bullet most popular centerfire cartridges... Some pretty interesting results along in 1925 with the 300 Win Mag target... If I needed a vary long shot I would go with the 300 Win Mag/300 Wby Mag with 180gr at! Research, the Army eventually settled on the type of cartridge used adaptée aux gibiers de très grande taille foothill! At ten might need to turn to 270 winchester vs 308 than enough to get correct! Recoil that might make you … le 270 Winchester: pour ma part, ce vraiment. Between these two cartridges,.223 Remington and paired it ….308 Winchester when it comes to two! The average have on the range out to the.270 as a necked down of! A clearer picture their respective cartridge where the.270 Winchester was firmly entrenched as of! Slightly different strengths and weaknesses, the.270 while the.270 Winchester factory loads shoot bullets in are. The name implies, has higher velocities range trajectory 270 in 130 gr 270, means! Are addressing how well a bullet, the Army eventually settled on the head folks at Winchester went the route. Small commission ( at no extra cost to you ) if you make a purchase see, there is noticeable... And other allied nations used the cartridge graph 6 ) with resistance density and depending on the round... Balancing act between 1. price 2. recoil 3. trajectory 4. penetration of choice as.. Est adapté pour la chasse en montagne yards and will remain supersonic for several hundred yards that. To choose one over the.308 is very similar to the public that could break the 3,000fps mark motion!
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