338 Winchester Magnum: The Powerful Big Game Round and 5 Rifles Chambered For It

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Video 338 win mag for elk

The 338 Winchester Magnum is a great elk hunting cartridge.

When you’re hunting some of the larger big game animals of North America like brown bear and elk, you’ll need a powerful rifle cartridge. There’s a ton of options out there, but the 338 Winchester Magnum is one of the most versatile because it can handle larger, heavier bullets, and cause an incredible amount of damage, leading to more recoveries.

As a round, the 338 Win Mag has long proven a favorite of Alaskan guides who want a ton of stopping power to protect their clients in case of a bear attack. In addition to the dangerous game of America, the round has also proven extremely popular in Africa for many plains animals.

Let’s check out this interesting rifle cartridge, its origins, and why it just may be the best elk hunting centerfire cartridge on the planet today.

338 Winchester Magnum, A Brief History

This is one of those rounds that’s been around forever, has a plethora of bolt action rifles chambered for it, and yet somehow still manages to fly under the radar. This cartridge was born of a monster, the .375 H&H Magnum, which was the parent case. As the name implies, this round has a bullet diameter of .338 inches. The case is shortened slightly and blown out from the original configuration of the .375.

If you really start diving into it, you’ll find notable names like Elmer Keith were involved in the development of this round. He was best known for his work developing the iconic .357 Magnum and .44 Magnum, but he was also a wildcatter. Along with Don Hopkins and Charlie O’Neil, Keith started experimenting with 33 caliber bullets, which were popular in Europe at the time. They ended up developing the .333 and .334 OKH cartridges, which were named for their initials. In any case, those rounds were developed from the .30-06 Springfield.

From there, they eventually developed the 338, which came out in 1958. According to American Rifleman, at the time, it was only available in one gun, the Winchester Model 70 Alaskan. However, the round proved popular, and it didn’t take long for other companies to soon come around. Today, almost every major manufacturer offers at least one 338 Winchester Magnum firearm in their modern lineups.

Ballistics of the 338 Winchester Magnum

One of the reasons the .338 Winchester Magnum cartridges took off was simply because back in 1958, most hunters were looking to use heavy, hard-hitting bullets to down game quickly.

See also  6.5mm Creedmoor for Coyote Hunting? Best Ammo (Round, Load, Cartridge) for a Successful Coyote Hunt Hunting Calibers 04 Apr, 2020 Posted By: Foundry Outdoors Is the 6.5mm Creedmoor a viable caliber/load/round/cartridge for coyote hunting? The accurate answer is “it depends”. However, the goal of this article is simply to address the question of whether the 6.5mm Creedmoor is within the ideal range of suitable calibers to harvest coyote. As with anything, the devil is in the details. To answer the question completely, we would need to evaluate the downrange distance to the coyote, the bullet type, the grain weight of the bullet, the physical condition of the firearm, the size of the coyote in question, the shot placement, the local wind conditions, the expected accuracy of the shooter, the ethics of the ideal maximum number of shots – the list goes on. [Click Here to Shop 6.5mm Creedmoor Ammo]What we can do is provide a framework to understand what average conditions might look like, and whether those are reasonably viable for a shot from the average shooter to harvest a coyote in the fewest number of shots possible, i.e., ethically. Let’s dive right in. In the question of “Is the 6.5mm Creedmoor within the ideal range of suitable calibers for coyote hunting?” our answer is: Yes, the 6.5mm Creedmoor is A GOOD CHOICE for coyote hunting, under average conditions, from a mid-range distance, with a medium grain expanding bullet, and with correct shot placement.Let’s look at those assumptions a bit closer in the following table. Assumption Value Caliber 6.5mm Creedmoor Animal Species Coyote Muzzle Energy 2300 foot-pounds Animal Weight 30 lbs Shot Distance 100 yardsWhat is the average muzzle energy for a 6.5mm Creedmoor? In this case, we have assumed the average muzzle energy for a 6.5mm Creedmoor round is approximately 2300 foot-pounds. What is the average weight of an adult male coyote? Here we have leaned conservative by taking the average weight of a male individual of the species, since females generally weigh less and require less stopping power. In this case, the average weight of an adult male coyote is approximately 30 lbs. [Click Here to Shop 6.5mm Creedmoor Ammo]What is the distance this species is typically hunted from? Distance, of course, plays an important role in the viability of a given caliber in coyote hunting. The kinetic energy of the projectile drops dramatically the further downrange it travels primarily due to energy lost in the form of heat generated by friction against the air itself. This phenonemon is known as drag or air resistance. Thus, a caliber that is effective from 50 yards may not have enough stopping power from 200 yards. With that said, we have assumed the average hunting distance for coyote to be approximately 100 yards. What about the other assumptions? We have three other primary assumptions being made here. First, the average bullet weight is encapsulated in the average muzzle energy for the 6.5mm Creedmoor. The second important assumption is ‘slightly-suboptimal’ to ‘optimal’ shot placement. That is to say, we assume the coyote being harvested is shot directly or nearly directly in the vitals (heart and/or lungs). The third assumption is that a projectile with appropriate terminal ballistics is being used, which for hunting usually means an expanding bullet.Various calibersA common thread you may encounter in online forums is anecdote after anecdote of large animals being brought down by small caliber bullets, or small animals surviving large caliber bullets. Of course those stories exist, and they are not disputed here. A 22LR cartridge can fell a bull elephant under the right conditions, and a newborn squirrel can survive a 50 BMG round under other specific conditions. Again, the goal of this article is simply to address the question of whether 6.5mm Creedmoor is within the ideal range of suitable calibers to harvest coyote - and to this question, the response again is yes, the 6.5mm Creedmoor is A GOOD CHOICE for coyote hunting. [Click Here to Shop 6.5mm Creedmoor Ammo]This article does not serve as the final say, but simply as a starting point for beginner hunters, as well as a venue for further discussion. Please feel free to agree, disagree, and share stories from your own experience in the comments section below. Disclaimer: the information above is purely for illustrative purposes and should not be taken as permission to use a particular caliber, a statement of the legality or safety of using certain calibers, or legal advice in any way. You must read and understand your own local laws before hunting coyote to know whether your caliber of choice is a legal option.Foundry Outdoors is your trusted home for buying archery, camping, fishing, hunting, shooting sports, and outdoor gear online.We offer cheap ammo and bulk ammo deals on the most popular ammo calibers. We have a variety of deals on Rifle Ammo, Handgun Ammo, Shotgun Ammo & Rimfire Ammo, as well as ammo for target practice, plinking, hunting, or shooting competitions. Our website lists special deals on 9mm Ammo, 10mm Ammo, 45-70 Ammo, 6.5 Creedmoor ammo, 300 Blackout Ammo, 10mm Ammo, 5.56 Ammo, Underwood Ammo, Buffalo Bore Ammo and more special deals on bulk ammo.We offer a 100% Authenticity Guarantee on all products sold on our website. Please email us if you have questions about any of our product listings. Leave a commentComments have to be approved before showing up Your Name * Your Email * Your Comment * Post Comment

We should take a moment to talk about the .300 Winchester Magnum. It’s impossible to address the 338 without mentioning the 300, because when you start diving into the numbers, the two rifle cartridges are nearly identical in terms of speed and foot pounds of energy delivered to the target. We won’t get too much into the specifics, because YouTuber Ron Spomer does a good job of that in the video above if you’re curious. It basically boils down to the 300 having a better ballistic coefficient and higher muzzle velocity, give or take about 100 fps depending on the ammo. The reason you might want to pick the 338 over the 300 is because the 338 has a better sectional density. This means the bullets are a slightly larger diameter and they’re going to hit with a little more energy.

In 1958, the ability to use slightly heavier bullet weights up to 250 grains proved popular with shooters. It still does today. There are even some shooters who have stepped things up to 300-grain bullets with the 338. Obviously, this robs the round of some long-range capabilities, but this round has never really been about reaching out past 300 or 400 yards anyway. The 338 has always been about knockdown power, especially on elk.

Hearing those bullet weights, you’re probably thinking the 338 has some kick, and you’d be correct. Although it is usually considered a little more moderate than some of the other 33 caliber options on the market today, like the 338 Lapua. Still, you’ll find most experts recommend a slightly heavier rifle to help soak up some of the kick from this gun.

Let’s look at the numbers for some factory ammo. Nosler offers several variants of their Accubond Trophy Grade ammo. The polymer tip, 225-grain Spitzer bullets have a muzzle velocity of 2,750 fps and are doing about 2,585 fps at 100 yards. You’re looking at about 3,300-foot pounds of energy at 100 yards with these bullets. Step it up to 250 grains and you can expect 2,650 at the muzzle, 2,496 fps at 100 yards. Meanwhile the 250-grain Nosler Partition bullets are doing 2,600 fps at the muzzle and 2,415 fps at 100 yards while putting out 3,238-foot pounds of energy.

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Remington makes some 338 Win Mags in their popular expanding Core-Lokt line of ammo. Expect 2,780 fps at the muzzle, and 2,572 fps at 100 yards. The 250-grain bullets are doing about 2,660 fps at the muzzle and 2,456 at 100 yards. When these big bullets strike an elk, they put a hurting on the animal. If there is one downside to the 338, it’s that the factory rifle ammunition is usually quite expensive. Which is another reason this is a popular round for reloading.

You can probably expect to get a little more velocity out of handloads using popular bullets from the usual brands like Barnes TSX or Hornady SST or EDL-X. Now let’s look at some of the rifles on the market today that are perfect for North American big game.

Winchester XPR

It’s only fitting to start this list with the company responsible for introducing the round to the world. The XPR is one of the newer additions to the Winchester line and it has proven extremely popular so far. They offer a few different variants, including one with a Turkish walnut stock. They all come in around the seven-pound mark. Winchester offers the rifle with either a 24- or 26-inch barrel with a 1:10 twist rate. Finishes vary from a classic matte blue to Permacote flat dark earth. These rifles are purposely built to be tough for the elements of the backcountry, whether that be the high deserts of Wyoming or the mountains of Alaska.

Ruger Hawkeye Alaskan

This one is popular with the big game guides in the Last Frontier as a backup for their clients, and in case of an unwanted bear that just won’t go away. This rifle features a 20-inch, cold hammer forged, stainless steel barrel with a 1:9 rate of twist and a radial-port muzzle brake. The more compact 42-inch length is going to make it an ideal brush gun. The eight-pound weight will help to mitigate some of that recoil. Ruger gave this gun a generous recoil pad on the Hogue OverMolded stock to help in that regard, too. This is also going to be a reliably cycling rifle thanks to the Mauser-type extractor. This rifle is built for the rigors of Alaska, which means it’ll work for just about any North American hunt for large game.

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Benelli R1

When we’re talking about large, heavy rounds for animals like elk, we usually do not think semi-automatic. Benelli has built a fascinating rifle here with the R1, which cycles off a gas-operated system they call ARGO, (for auto-regulating gas-operated). This will allow you to get follow-ups on an animal faster than ever before, and if you’re being charged by a bear, no worries about putting a second or third round in the bruin. This rifle has a 24-inch barrel with a 1:10 rate of twist. It comes in at 7.3 pounds. Benelli offers this rifle in either a black synthetic or with a nice-looking AA-grade walnut.

Savage Arms 110 Brush Hunter

The Savage 110 Brush Hunter is another compact option that’s great for anyone who spends a lot of time in the backcountry and wants a gun that can both down big game and protect from an unwanted bear encounter. This rifle features a 20-inch barrel with a 1:10 twist. The overall length is right at 41 inches, and it weighs 7.38 pounds. This firearm features Savage’s signature AccuTrigger system, allowing you to adjust the trigger pull yourself, no trip to the gunsmith required. Savage also made the length of pull adjustable using just a few screws so you can perfectly adjust the rifle to fit your frame and body type.

Mossberg Patriot Cerakote

The Mossberg is a great option for a newer elk hunter, or simply someone on a budget who wants a rifle that can handle every type of big game animal in North America. Mossberg offers a few different variants that cost less than this, but you’re going to be hard pressed to find another rifle with a Cerakote finish for under $600 like the Patriot. This rifle has a 24-inch barrel with a 1:10 twist rate. The barrel is also sent threaded from the factory. It is a lot lighter than any other gun on this list at 6.5 pounds. It’s going to be easier to carry deep into the backcountry, but it’s going to have a lot more kick.

For more outdoor content from Travis Smola, be sure to follow him on Twitter and Instagram For original videos, check out his Geocaching and Outdoors with Travis YouTube channels.

READ MORE: 28 NOSLER: THE ROUND THAT CAN HARVEST BUCKS, BEARS, AND BULLS AND 5 RIFLES CHAMBERED FOR IT

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Ethan Smith is a seasoned marine veteran, professional blogger, witty and edgy writer, and an avid hunter. He spent a great deal of his childhood years around the Apache-Sitgreaves National Forest in Arizona. Watching active hunters practise their craft initiated him into the world of hunting and rubrics of outdoor life. He also honed his writing skills by sharing his outdoor experiences with fellow schoolmates through their high school’s magazine. Further along the way, the US Marine Corps got wind of his excellent combination of skills and sought to put them into good use by employing him as a combat correspondent. He now shares his income from this prestigious job with his wife and one kid. Read more >>