My personal choice? Hmmmm, Nosler bullets and Nosler winner....just saying. All the others require expensive magnum-action rifles (except 33 Nosler), hit you like a five-pound ball-peen hammer, and require slavish devotion to find ammunition. That 9.5% more capacity does translate into faster speeds. One point for each ft-lbsf recoil less than 15, and one point deducted for every ft-lbsf greater than 15. They provide more performance than most hunters will ever need. Bullet selection for the .338 magnums presents some challenges. The .338 caliber magnums provide all the power most hunters could ever want—or need, but bullet selection is vital to realize their full potential. These are both big, long rounds that feel more like artillery than a rifle. 250 gr. They require a hunter to understand bullet construction and terminal performance in depth, especially with cartridges on the power scale’s upper end. The author analyzed six .338 caliber magnum cartridges (.338 Winchester Magnum, .340 Weatherby, .338-378 Weatherby, .338 Remington Ultra Mag., 33 Nosler, and .338 Lapua) for trajectory, effective range, and recoil with modern ballistic software available free online from shooterscalculator.com. This content is accurate and true to the best of the author’s knowledge and is not meant to substitute for formal and individualized advice from a qualified professional. Recoil calculations were based on a nine pound rifle weight. Answer: In a way, they are. In true Weatherby fashion, the .340 generates velocities almost 300 fps faster than the .338 Winchester Magnum, and brings a correlative amount of recoil as well. Expanded Nosler AccuBond recovered from test media. I have the opportunity to purchase a Mark V Accumark in 378-338 Mag used. .338 magnums need controlled expansion bullets like this Nosler Partition for large, tough game at ranges less than 500 yards. Still the most popular .338 magnum in the world, the .338 Win. AccuBond (.575 BC/.313 SD) at 2850 fps. Thank you, sir! In a similar manner to the .338 Lapua, the .338-378 employs a full .579” diameter case rim rather than a standard magnum rim diameter of .532” as is Answer: Recoil is a consideration with any cartridge. Answer: As the article said, I chose the heaviest Nosler AccuBond bullet available in factory ammunition. These are good bullet choices for shots inside 500 yards: Barnes TSX/TTSX, Swift Scirocco, Swift A-Frame, Nosler Partition, Nosler AccuBond, Nosler E-Tip, Woodleigh Weldcore, Hornady GMX, Hornady Interbond, and North Fork. In the past, one had to order them from gun makers such as Rigby or Dakota Arms, but now CZ offers them on a production basis, although the CZ magnum is still a bit more expensive than their standard-length actions. 250 gr. Effective range in this test is the minimum impact energy recommended for a humane kill on medium game (1200 ft-lbs.) That includes their hunting oriented Mark V Accumark as well as their tactically minded TRR. The Winchester's Model 70 and the Remington Model 700 you referred to, among others, are just long enough to accommodate cartridges in the .375 H&H Magnum class (3.6 inches overall length) such as the Remington Ultra Magnums. I know I'm going to get flak for this, but it's true to an extent. New Company Ritter & Stark Guarantees Rifles Shoot Half MOA or Better Ritter & Stark is a new firm looking to expand Austria’s small arms legacy with its very first product, a high-precision long-range bolt-action rifle for military and police shooters as well … proved good enough for old Elmer Keith, it’s good enough for me. The main factor is to know the maximum and minimum anticipated impact velocities and the intended game, then select a bullet which is reliable under those conditions. If there is any possibility a hunter might make a shot at less than 100 yards, a tough, controlled expansion bullet is required to avoid the bullet disintegrating when it hits a large animal at close range. Recoil has a direct effect on most shooter's accuracy--the more recoil, as a general rule, the less accurate the shooter. It was developed during the 1980s as a high-powered, long-range cartridge for military snipers. Although, even the least powerful here (.338 Win. The .338-378 Weatherby is currently the most powerful .338” factory cartridge. As a general rule, more than 15 ft-lbsf is considered enough recoil to affect most shooters’ accuracy. All things equal (they seldom ever are), I’d go with the .338 Win. The 338-378 was not designed with accuracy in mind. .338 Lapua Magnum - Manufacturer Loading Data Pistol Rifle Cowboy GR. Not that you should have any problems feeding the 338-378’s double radius shoulder case from a more typical bolt action rifle either. These cartridges are also best when paired with the heaviest bullet weights. I don't think I have ever seen a .338 without a muzzle brake. Here’s how each cartridge ranked. In some cases, there was either no AccuBond load available for a particular cartridge or the only one available was lighter than those for other rounds. Trajectory in this test is defined as Maximum Point Blank Range (MPBR): the distance over which a bullet rises three inches above sight line and then drops three inches below to hit within a six-inch kill box. The heaviest bullet available would give each cartridge its best chance since such bullets offer the highest BC's and SD's and would thus make the comparison as fair as possible. They push 300gn bullets at … The.338-.378 Weatherby makes about 100-150fps more velocity than the Lapua, but with 10-15% more powder. I own 5 Weatherby Accumarks and traded another. One point for every 25 yards beyond 200 yards for minimum expansion velocity range, one point deducted for every 25 yards less. Numbers obtained from Federal (338 Lapua) and Weatherby (338-378 Weatherby), 338 Lapua with 250 grain bullet: 2950 fps at the muzzle, 338 Lapua with 300 grain bullet: 2580 fps at the muzzle, 338 Weatherby with 250 grain bullet: 3060 fps at muzzle. Military acceptance of the 338 Lapua as an extended range sniping round has increased civilian interest and now there are lots of tactical and hunting rifles becoming available in 338 Lapua. 338 Norma. The .338-378 has devoted fans in the long-range hunting sub-culture, but only exceeded the .340 Weatherby’s muzzle velocity by 119 fps; a small reward for the huge recoil it produces. It was used in the War in Afghanistan and the Iraq War. Developed for military snipers to bridge the gap between .300 Winchester Magnum and .50 BMG, at first glance, the .338 Lapua seems to define “over kill” in a hunting cartridge. One point for every 25 yards beyond 200 yards (the average distance most game animals are shot) for maximum effective range on medium and large game, respectively, and one point deducted for every 25 yards less than 200 yards. The VSO Gun Channel is an educational resource of VSO Media LLC, a research and development/ Testing Evaluation … The newest .338 magnum, the 33 Nosler arrived on the market in 2016. I’ve sent hundreds of rounds of 340 Weatherby down As yet, no one offers a 250 grain AccuBond in factory ammo for the 33 Nosler, and it would have scored closer to the .338 RUM with a 250. "Bob" Thomson. Adriel has been hunting all his life, enjoys shooting 3 gun, is a trainer for Project Mapleseed and tries to apply a practical point of views to his reviews. Now that 100 fps won’t make spit for difference in the 250 grain partition because its BC sucks so much, but if you’re going long range and firing a slippery Berger hybrid OTM, that extra velocity will translate into some extra range for the Weatherby. The Weatherby Mark V is the only production rifle which chambers the .338-378 Weatherby Magnum. AccuBond (.550 BC/.281 SD) at 3025 fps. The .338 Winchester Magnum became the iconic elk, brown bear, and moose cartridge, and it spawned competitors as the market demanded ever faster velocities. 338 Lapua Magnum is typically used in heavier tactical or target rifles such as the PGW Timberwolf, TRG-42, Accuracy International, McMillan TAC-338, Savage 110BA, or Remington MSR but there are a few rifles that could be hunted with. If, however, true long-range hunting is anticipated, they will all benefit from the specialized long-range bullets now on the market which expand well below 1800 fps. AccuBond at 2600 fps. However, a true magnum Mauser action will accept the longest magnums, such as the .416 Rigby which is 3.75 inches long. If you’re looking at these two rounds, the 338 RUM and 338 Edge are both worth looking at as well, but for today, I’ll just be focusing on the Lapua and Weatherby 338’s. Always consult with the bullet or ammunition manufacturer as to your needs before you choose. These close to one-ton beasts are often shot at ranges beyond those recommended for other dangerous game animals due to the open terrain common to coastal Alaska and Kodiak Island. These rounds do have one mission they are ideal for, though: Alaskan brown bears. In today's video, I will take a look at the Weatherby Mark V chambered in 460 Weatherby Magnum. Imagine a bullet arcing through a six-inch diameter pipe for a certain distance. Power. Any reason I shouldn't consider this a great deal ? It must be chambered in rifles with a magnum length action which means few rifle makers other than Remington offer a model for it. While there is some overlap in the applications of these rounds, there are also going to be certain shooting situations where one might be better suited than the other. What does that extra 10% case capacity buy you? AccuBond at 2941 fps. The less recoil, the more accurate the shooter, and hence, the more effective the cartridge. It will feed from a standard magnum action with high BC bullets and give you almost identical performance as the 338 Lapua Mag. The Lapua comes with a case capacity of 114.2 gr of water, while the 338-378 Weatherby holds 9.5% more at 125 gr of water. BC quantifies a bullet’s aerodynamic efficiency, and SD predicts relative ability to penetrate into a game animal; the larger each number, the better. Please note, the following information reflects the estimated average ballistics for each caliber and does not pertain to a particular manufacturer, bullet … Muzzle velocities are the nominal industry standard for the tested bullet weight in each caliber. The .300 Win Mag vs .338 Lapua Magnum is an interesting comparison, and we think provides some interesting points of discussion. Recently picked up a Savage 110 fcp in 338 lapua and, after working up a satisfactory load, have droped it off at my gunsmith for an accurizing Job. Functionally, it doesn’t matter a whole heck of a lot, but it can be a bit more troublesome when it comes to reloading the cases. Muzzle breaks are a cheat; they produce excessive back blast and flash which both deafens and blinds (in low light) a shooter. The Wound Channel 166,132 views 4:18 OVER 2 MILE SHOT (3561 yards with a 338 Lapua Magnum) - Duration: 13:57. Question: Would you say the results of the best .338 magnums of your tests/comparison would be the same if reloads were considered? 225 gr. The author acknowledges hand loaders can achieve much better performance in many instances. If you’re looking at these two rounds, the 338 RUM and 338 Edge are both worth looking at as well, but for today, I’ll just be focusing on the Lapua and Weatherby 338… Remember that Weatherby rifles traditionally have longer free bore to keep pressure down, which can be detrimental to top accuracy. The .338 Win. Therefore, a cartridge with less recoil than another, but with similar terminal performance, is better for the simple fact a missed shot, no matter how powerful, is useless. Like the .338 Lapua, it is a great candidate for the 300 grain long-range bullets now on the market. Any rifle firing these rounds with a muzzle brake will require hearing protection worn even while hunting, while unbraked models will come with gobs of punishing recoil. These genuine magnum Mausers are indeed expensive and not available off the shelf in most gun stores. Case availability on the 338 Lapua is OK, with fantastic quality Lapua cases fairly readily available. Which cartridge to go for is largely a question of rifle. If the minimum energy range exceeds the minimum expansion range, the minimum expansion range becomes the maximum effective range since unexpanded bullets are much less effective regardless how much energy they possess. The 338 Lapua has a case capacity of 114.2 gr of water, while the 340 Weatherby- 98.0 gr, 338 Remington Ultra Mag- 113 gr., and the capacity of 338-378 Weatherby is 125 gr. Keith wanted something which would hammer through a quartering-away elk (his favorite game) out to 300 or 400 yards and realized a .338 caliber bullet driven fast enough would get the job done. Mag and enjoys a cult-like following. The .460 Weatherby Magnum is a belted, bottlenecked rifle cartridge, developed by Roy Weatherby in 1957. All of which you hit dead on. What we need to know without fluff mucking up the targets. In the early days, the .338 lapua sniper cartridge was made to ground itself on a .378 Weatherby case, but was soon altered for more precision and penetration power. The .338 Lapua Magnum was developed in the eighties specifically to provide Military snipers a round capable of delivering high powered impacts to targets at extended range. Despite their “Thor’s Hammer” performance, .338 magnums are not as popular as their .30 caliber cousins for one big reason: recoil. The .338 Winchester Magnum derived much from work done by ballistics pioneer, Elmer Keith, among others. Question: I'm curious why you chose to use different weight bullets for each cartridge? and large game (1500 ft-lbs), and the minimum velocity most hunting bullets require for reliable expansion (1800 fps). As a big bad round capable of taking big game from a distance, it’s growing in popularity faster than the 338-378 Weatherby, and in the near future it looks like it’ll become the more popular choice. It delivers high performance at a fraction of its .338 Lapua competitors. It has the case capacity to launch the heaviest .338 caliber bullets (300 grain) at useful velocities and is a stellar long-range cartridge for large game. (If you’re looking for the best .338 Lapua … All the cartridges tested were limited by the minimum expansion velocity recommended for the standard Nosler AccuBond. AccuBond at 3060 fps. As to the muzzle break comment, I have yet to see a rifle around here with a muzzle break. Upon making further improvements, the finish manufacturers made the .338 Magnum rounds compatible with semi-automatic weapons. .375 H&H Magnum (L), .338 Winchester Magnum (R). Mag. Brilliant writing. Both BC and sectional density (SD) are noted for each bullet tested. The .338-378 Weatherby Magnum started out as the wildcat cartridge, .338-378 Keith-Thomson Magnum during the early 1960s. Comes with dies and some brass plus a Leupold VX 111 3.5-10x40mm for a $1,000 bucks . All have shot sub .05 moa with a little development 3 will shoot .025 moa for 5 shots. Some cartridges were handicapped by the fact the major ammunition companies don’t offer the heaviest bullet weights, rather they offer the most popular or common. 300 gr. It hits the shooter the least, has proven itself in both Alaska and Africa for decades, and ammunition is available most places. These days, it’s very different. Mag) hits the expansion limit at almost 600 yards! Detailed performance figures are summarized in the table at the article’s end. It scored just behind the .340 Weatherby and has the least recoil among the cartridges tested. One point for every 10 yards MPBR beyond 200 yards and one point deducted for every 10 yards less. If you’d have picked up a catalog from Cabela’s 5 or 10 years ago, you wouldn’t have seen any 338 Lapua rifles listed but you may have seen the Weatherby. I'd stick with the Lapua. Find the Hunting Gear guy on YouTube, © The following ammunition cartridge ballistics information and chart can be used to approximately compare .270 Winchester vs .338 Lapua Magnum ammo rounds. The.340 Weatherby Magnum makes about 100fps less velocity than the Lapua, but with 15-20% less powder..338 Weatherby fires a 160gn at 3600fps, the Lapua at 3500fps. Can … *.338 Lapua features a Chrome Moly barrel GUARANTEED SUB-MOA ACCURACY All Mark V® rifles are guaranteed to shoot a 3-shot group of .99” or less at 100 yards (SUB-MOA) from a cold barrel when used with Weatherby® factory or premium ammunition within Two-Years of Verified Purchase Date to Original Purchaser. Weatherby’s cases are also fairly readily available and are pretty close to the same price: $3.50/case for 338 Lapua vs $3.50/case for Weatherby 338-378 depending where you pick them up from. If a person cannot tolerate a particular cartridges un-braked recoil, they need a different cartridge which they can manage without subterfuge. Here’s what you need to know about the 300 Win Mag vs 338 Lapua vs 338 Win Mag. It also comes with some extra recoil but with rifles at this point, who’s counting? Another fun game of round comparison, this time pitting the ferocious 338-378 Weatherby Magnum and the military favored 338 Lapua Magnum. (L-R) .308 Win., .340 Weatherby, 9x19mm Luger. Their superior sectional densities combined with high velocity and bullet weight anchor these killer bears like few other cartridges. The .338 Lapua Magnum (8.6×70mm or 8.58×70mm) is a rimless, bottlenecked, centerfire rifle cartridge. 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