PX Member. Thread starter 585 Nyati; Start date Jul 9, 2014; Forums. I have had both the 338 win mag and the 338 RUM, ballistic duplicate of 340 weatherby. (.338 RUM), 32.2 f.p.s. The 338 Lapua Magnum is one of the better known .338″ diameter cartridges on … Mag.• .30-06 Springfield vs. .270 Winchester• 6.5 Creedmoor vs. 7mm-08 Remington• 8x57 Mauser vs. .318 Westley Richards• .358 Winchester vs. .350 Remington Magnum• .22-250 Remington vs. .220 Swift• .270 Winchester vs. .270 WSM• .26 Nosler vs. 6.5-300 Weatherby Magnum• .458 Win. With regards to COAL’s for long range loads, the .338 RUM is still best served with a Wyatt magazine box when using long sleek bullet designs. The difference between the 338 RUM and the 340 Wby is 3.60 OAL RUM, 3.650 OAL Wby a total of 0.050 inches! It is one of the most powerful .338-caliber rounds in production. Since the .338 Win. Re: 340 Weatherby vs. 338 lapua It was created by Weatherby as an alternative to the 338 win mag hunting load and no one ever developed a match bullet for it. will kill anything that should be hunted with a .338 rifle, what you are buying in the .340 is a somewhat flatter trajectory. was taken in a 24 inch barrel, while the .330 Dakota data are for a 25 inch barrel, with 26 inch barrels used for the .340 Weatherby and .338 RUM. Instead of using the .333-inch-diameter bullets that that Keith & Co. relied on, I presume Winchester used the .338-inch-diameter bullets from the much earlier .33 Winchester cartridge. Mag. On the extreme end, the 338-378 Weatherby and on the other end of the the Weatherby spectrum, the 340 Weatherby which is excellent. I have been going to build some sort of 338 for some time. Mag is outstanding. These .338 "super magnum" cartridges achieve marginally better ballistic performance than the .338 Winchester Magnum, but with a lot more sound, fury, reduced availability and greatly increased monetary cost. But, I did compared it to and it does a job on the .338 Winchester. You can go to 250 grains (Hawk bullets) with it if you load or buy custom loads. Shooting the same 225 gr bullets out of each I noticed that impact on game was visably more with the extra 400+ fps you gain in the RUM. The .33 Nosler and .330 Dakota are a bit slower. of MV per grain of powder burned. 338 Caliber 265 Grain . If one is after long shots, then the RUM, Lapua and the king of them all, the 338-378 Weatherby. (Most factory ammo for the .338 WM sells for $2 to $3 per round, with a wide choice of brands and bullet weights available.). If you're gonna be reloading, I would suggest .338 Rum, .325 Winchester or .338 Federal because there's no belt to deal with I've never compared it to the .340 Weatherby. Minuteman. Averaging across the four bullet weights, here are the percentage increases in muzzle velocity of each super magnum over the .338 Win. The 30-338 weighed 10.5 lbs unloaded. (.340 Weatherby and .338 RUM), 2902 ft. lbs. "Weatherby 338" For Sale More Filters . I’ve sent hundreds of rounds of 340 Weatherby down range and was enamored with the … Forty eight foot pounds of recoil exceeds the kick of a 12-gauge, three inch magnum shotgun (about 45 ft. Both of these cases are high quality, and the cost of firing these big rifles means that any cost savings on … Just four years after the release of the .338 Winchester, Roy Weatherby countered with his own take on the .338-inch-bore diameter: the .340 Weatherby Magnum.Instead of using a 2.50-inch case to take advantage of the .30-06-length receiver, Roy decided a magnum-length case and … For example, 72.4 grain of IMR 4350 powder will drive a 200 grain bullet at 3000 f.p.s. The model I am looking at is the TRG hunting … -Editor.). gets 40.4 f.p.s. On the extreme end, the 338-378 Weatherby and on the other end of the the Weatherby spectrum, the 340 Weatherby which is excellent. Mag. lbs.) My friend's dad uses a .340 Weatherby for elk hunting in bear country for added insurance. I would say that the 338 RUM/340 shows a notable increase in "smack" compared to the 338 win mag. While I don’t have access to the official sales numbers, according to Weatherby, Roy’s .300 Weatherby Magnum is the most popular of the bunch. Here, in summary form, is my case against the super magnums, including the good, bad and ugly. The 338-Lapua is chambered in Sako rifles. We've got you covered.• .300 RSAUM vs. .300 WSM• .500 Jeffrey vs. .505 Gibbs• 7mm RUM vs. .300 RUM• .308 Winchester vs. 7mm-08 Remington• 6.5 Creedmoor vs. .260 Remington• .303 British vs. 8x57 Mauser• .30-06 Springfield vs. All Other .30s• .17 HMR vs. .17 WSM• .450 Nitro Express vs. .470 Nitro Express• 350 Legend vs. .35 Remington• .280 Ackley Improved vs. 7mm Rem. Instead, the 250-grain became the darling, as it was certainly ‘enough gun’ for the full-range of North American animals, not to mention any of the African animals shy of the true heavyweights, and even that is debatable. The 300 RUM weighs 8.5 lbs. for a 185 grain bullet in the .338 Win. Among the initial trio of Winchester Magnums—the .264, .338 and .458—I feel the .338 Winchester Magnum is where Winchester really got it right; it does everything they asked of it, with no complications. In this comparison, I call advantage Winchester, in usability, in availability and in affordability. Weatherby offers six different bullets in the .340, but the best ones are the 225gn Barnes TSX at 2970fps and the 250gn Nosler Partition at 2941fps. and this pattern of incremental velocity increases continues with each cartridge in the sequence. (.338 Lapua) and 3053 ft. lbs. What a monster. That is 49% more powder to get 10% more muzzle velocity (MV). However, five current commercial cartridges have surpassed the .338 Win. These are the .330 Dakota, .340 Weatherby, .338 Remington Ultra Mag, .338 Lapua Magnum and .338-378 Weatherby. If you enjoy the speed of the Weatherby cartridges, and can handle the recoil of the .340 Weatherby—the larger .338/378 Weatherby is even more ferocious—there is nothing wrong with using it, though I highly recommend the use of premium bullets. Remington .338 RUM factory ammo starts at about $4 per cartridge. I'm kind of into the Wby calibers too, so I'm biased again. The .340 Weatherby was introduced to compete with the .338 Winchester Magnum which had a hold on the market at the time. Between the two you mentioned, I'd have a .340. of recoil, a 55% difference. Across the four bullet weights, the average powder charge used to get top MV in each cartridge is: Another way of understanding the additional powder needed to get increased MV is to list the additional powder to additional velocity percentages of each of the super magnums, relative to the .338 Win. Discussion Starter • #1 • Jan 11, 2008. Mag. partition at 3060 and 5200 ft/lbs muzzle energy. Across the four bullet weights for each cartridge, the retained energy at MPBR averages are 2557 ft. lbs. Copyright 2015 by Gary Zinn and/or chuckhawks.com. Mag. Mag. 338 Rum is where the .338 gets interesting..as far as ballistics go and its the cheapest 338 hot rod to shoot.. 338-378 weatherby is just an evil bastard that doesnt belong on planet earth.. theres actually some loadings with H1000 or RL25 that put the 300gr smk at 2950 A 150 gr nosler partition out of a 270 will pass through and leave a nice hole in an elk at 250 yards. Between the .338 Winchester and the .340 Weatherby, which makes the most sense for the hunter? Mag. A 250 gr. (.330 Dakota), 35.4 f.p.s. Shooting the big case offhand or off of shooting sticks can be tolerable, but the bench rest position is bad and prone is worse. This is a friend of mine shooting his 340 weatherby. The muzzle velocity data below are top velocity loads from the Hornady Handbook of Cartridge Reloading, 9th Edition. Driving a 250-grain bullet to 2940 fps, for over 4,800 ft.-lbs. rifle, the recoil energy of the 200 grain load mentioned above calculates to 30.9 ft. Mag is outstanding. Big-game cartridges in .338 caliber have become popular, including the (1) .338 Winchester Magnum, (2) .340 Weatherby Magnum, (3) .338 Remington Ultra Mag, (4) .338 Lapua and (5) .33 Nosler. more sensible competitors. I do think the Lapua brass is better though, u can run the hell out of it but its twice the price. Mag.• .243 Winchester vs. 6mm Remington• 7x57mm Mauser vs. 7mm-08 Remington• .25-06 Remington vs. .257 Weatherby Magnum• .338 Winchester vs. .375 H&H Magnum• .30-30 Winchester vs. .35 Remington• .257 Roberts vs. .250-3000 Savage• .270 Winchester vs. .280 Remington• .35 Whelen vs. 9.3x62mm Mauser• .416 Rigby vs. .416 Remington Magnum• .308 Winchester vs. .30-06 Springfield• .22 Nosler vs. .224 Valkyrie• .300 Win. 585 Nyati Private. 340 Weatherby Magnum Rifle Cartridge by Nosler Inc. 340 Weatherby Magnum Rifle Cartridge by Nosler Inc. Nosler - Bullets, Brass, Ammunition & Rifles. While the .340 Weatherby isn’t a bad design, I feel it’s a bit too much. I used this single data source for consistency and convenience. Downrange performance can be summarized with two statistics: maximum point blank range (MPBR) and retained energy at that range. Mags. Released in 1962, the 340 Weatherby Magnum was based quite simply on the .300 Weatherby cartridge necked up to .338 caliber. This is his elk rifle. No one participating in the exercise ventured to shoot the rifle unless it was resting in a Lead Sled and the rifle, equipped with a muzzle brake, was the loudest thing I have heard short of a Browning .50 BMG. The following ammunition cartridge ballistics information and chart can be used to approximately compare .300 Weatherby Magnum vs .338 Lapua Magnum ammo rounds. Actually the .340 wby, or .338 rum are not far behind. But, I feel that the .338 Winchester Magnum is as popular as it is for a reason: it is manageable in a proper-fitting rifle, and it hits like a freight train. I bought a 300 RUM and get 3333fps with the same 180gr. It appears that .340 Weatherby and .338 Lapua factory cartridges start at about $4.50 each, while .338-378 Weatherby ammo runs about $7 per cartridge and .330 Dakota cartridges cost about $10 each. It is based on the .300 Weatherby case necked up to accept .338" bullets. The 200-grain load, cruising at just shy of 3000 fps, can certainly be used on lighter game with good effect, and there are even lighter choices for those who like the one-gun concept. Firstly, it’s no secret that the .338 Winchester Magnum is the more popular of the two, and there are more factory loads available for it than there are for the .340 Weatherby. There are many 225-grain choices for the folks who like to split the difference and choose just one load, and looking up and down the list, you’ll find all sorts of different projectiles, from the sleek 210-grain Swift Scirocco II and 230-grain Hornady ELD-X to the 225-grain Trophy Bonded Bear Claw from Federal and the 250-grain Nosler Partition and Swift A-Frame. In a 9.5 pound (field weight) .338 Win. Magnum Versus the .338 Super Magnums (.330 Dakota, .340 Wby. The percentage advantages of these over the .338 Win. Mag., .338 RUM, .338 Lapua Mag. .340 Weatherby Magnum The legendarily scorching .340 Weatherby Magnum was one of the first .338s, and it is still one of the best. 338-378Wby!!!! It is based on the .300 Weatherby case necked up to accept .338" bullets. (.338-378 Weatherby). Instead of using a 2.50-inch case to take advantage of the .30-06-length receiver, Roy decided a magnum-length case and receiver was warranted. Cartridge Type: Rifle Height: 2.825" Width: 0.531" Average FPS: 3033 Average Energy: 4615 Average Gr: 226 Recoil: 3.3 Power Rank: 6.85 of 20 The .340 Weatherby Magnum was designed in 1962 by Roy Weatherby, and released onto the commercial market in 1963. and that is a place I do not wish to visit often. Mag. The ballistic performances based off three grain ty… Across the bullet weights used, here are the average recoil values for each cartridge in 9.5 pound rifles: Then, there is the monetary cost of buying and shooting any of these rifles. The .338 RUM and the .338 Lapua essentially duplicate the .340 Wby ballistics. Barrett's M99 is a great single shot. The .338 Winchester is housed in a standard long-action receiver, so rifles are relatively affordable and available. is: Using a lot more powder to get a little more velocity has a further cost in recoil and muzzle blast. They are also expensive to buy and shoot. These are all powerful .338s and they ALL suffer the same thing, brass availabilty. It's not as accurate but it will shoot MOA out to the 500 yards I limit myself to for elk. The latter, with all sorts of sectional density (SD) was driven at 2450 fps, but didn’t stick around long. Mag. 5. 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. Since the .338 Win. The .338/.378 Wby might be too much of a … Mag. The .338 RUM and the .338 Lapua essentially duplicate the .340 Wby ballistics. The parent case is a .300 H&H Magnum expanded to fit a .338 bullet. Conversely, the .338 super magnums are far from perfect. A 24-1/2 inch barrel was used for the .338 Lapua and a 28 inch barrel (!) in the .338 Win. Mag. I am not a fan of these cartridges, because they provide a poor benefit to cost ratio. The .330 Dakota has a comparable average MPBR of 292 yards, the .340 Weatherby and .338 RUM 301 yards, the .338 Lapua 304 yards and the .338-378 Weatherby 312 yards. (.338 Lapua) and 29.4 f.p.s. Please note, the following information reflects the estimated average ballistics for each caliber and does not pertain to a particular manufacturer, bullet weight, or jacketing type. Mag. For example, subtract 120 fps from the Hornady .338-378 velocity figures if the cartridge were fired from a rifle with a 24 inch barrel. I'm going to own a .338-378 wby some day, so I'm biased. The 250-grain bullets still represent a sound choice for brown bears and other truly big game, as it generates just under 4,000 ft.-lbs. If one is after long shots, then the RUM, Lapua and the king of them all, the 338-378 Weatherby. Turning to retained energy at or near to MPBR, I used the ballistics calculator at www.hornady.com to calculate energy at the 25 yard increment closest to the MPBR of each cartridge and load. Mag., but are ballistically inefficient, loud and kick like the devil. The only 338's were the .338 Win Mag and the .340 Weatherby, neither in military options. (.340 Weatherby), 33.8 f.p.s. Buying a rifle chambered for any of the other four super magnums is going to put a real strain on the debit card. Gotta throw the .338 Lapua in there just for good measure. All rights reserved. Here is the last set of bullet points, I promise. 11 Posts . Privacy Policy   •   Contact Us   •   Warnings   •   FAQs   •  © 2021 National Rifle Association of America, Remington Model 700 American Hunter Rifle Project, Women On Target® Instructional Shooting Clinics, Volunteer At The Great American Outdoor Show, Marion P. Hammer Women Of Distinction Award, Women's Wildlife Management / Conservation Scholarship, National Youth Shooting Sports Ambassadors, NRA Outstanding Achievement Youth Award Presented by Brownells, National Youth Shooting Sports Cooperative Program, .450 Nitro Express vs. .470 Nitro Express, .358 Winchester vs. .350 Remington Magnum, .25-06 Remington vs. .257 Weatherby Magnum, .338 Winchester Magnum vs. .340 Weatherby Magnum, #SundayGunday: Savage M110 Timberline Realtree Excape, Head to Head: .22-250 Remington vs. .204 Ruger, Why Every Hunter Should Own a Rifle in a Common Caliber, 2021 National Rifle Association of America. For these reasons, none of these cartridges seriously challenges the popularity of the .338 Win. Mag. faster than does the .338 Win. 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. I'm … If one is to strictly use a .338 for a general rifle, then the 338 Win. Winchester obviously picked up on the concept, and after releasing the .458 Winchester Magnum—which was designed to handle the thick-skinned, dangerous-game species—they released what would become the quintessential cartridge for North America’s biggest game animals: the .338 Winchester Magnum. from a ballistics perspective, the .338 can’t compete with the .300 on shootability. The .338 Remington Ultra Magnum has a similar case capacity as the .338 Lapua Magnum and somewhat lower than that of the .338-378 Weatherby Magnum. ), 2656 ft. lbs. Mark V Accumark 257, 270, 7mm, 300, 340, 30-378, 338-378 Mark V Lightweight 270 win and 270 wby Vangd SUB MOA SS 22-250, 257 wby, 300 wby and 300 wby Vangd SUB MOA 338 Win Mag BAR 30-06, 338 Sako 85 270 Win 70 375 (2) Nov 27, 2011 82 0 69. The .300 Weatherby Magnum is a fast, hard-hitting cartridge, driving a 180-grain bullet to a muzzle velocity of 3250 fps, for over 4,000 ft.-lbs. Need some feedback on these 2 guns. The .338 Win. As best I can determine, a new rifle chambered for any of these calibers is going to set one back a minimum of $2,000. Well, let’s look at a couple of points which may affect your choice, depending on your situation. The extreme spread in this variable is from 2366 ft. lbs. The .340 hits harder, but the .338 Winchester hits hard enough. to 3384 ft. lbs. At the top end, the .338-378 Weatherby drives these four bullet weights from its 28 inch barrel about 250, 300, 400 and 300 f.p.s. ): The only practical reason for designing a cartridge to drive a given weight bullet faster is to enhance the downrange performance of the bullet. Data for the .338 Win. Back when I used to use long range guns for a living, all you had was a hand full of 30 caliber, 30.06, 300 H&H and 300 Win mag and the 50 caliber. There is plenty of choice. 340 Weatherby v 338 Lapua Magnum. I also strongly believe that the majority of people who feel the need for an elk rifle that "can go from one end of the animal to the other", fail to take into account the type of terrain that elk inhabit when choosing their said "elk rifle". by Philip Massaro - and .338-378 Wby. For a shooter who spends most of his or her time hunting bigger game, and who likes bit more frontal diameter and throw weight than the 7mms and .30s offer, they are a sound choice. Mag. The post-WWII lineup of Winchester cartridges owe a tip-o’-the-hat to the efforts of Charles O’Neill, Elmer Keith and Don Hopkins; their .333 OKH and .334 OKH cartridges mated the .30-06 case and a shortened .375 H&H case with the bullets of the .333 Jeffery. I have had both the 338 win mag and the 338 RUM, ballistic duplicate of 340 weatherby. But again if you want a big 338 lapua is the practical choice. AccuBond Long Range Bullet. Mag. I would say that the 338 RUM/340 shows a notable increase in "smack" compared to the 338 win mag. However, in the real world there is no such thing as a free lunch. I have made brass from 300 Wby, 8mm Rem mag, 300 H&H blown out to 300 Wby and sized. 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. The Rem 300 Wby brass now is the best bet. The 338 lapua mag was developed from day one to be a long range target round. Product Types [+] Long Guns (921) ... Weatherby MBC01N257WL8B Mark V Back Country 257 Wthby Mag 3+1 2 $ 2,349.00 (0) Weatherby MK-V BC-TI 257WBY 26B $ 2,999.00 (0) Weatherby MK-V BC-TI 300WBY 26B $ 3,002.00 (0) Weatherby MARK V BACKCOUNTRY TI 6.5-300 A personal observation: recently I was in attendance when the guest of a fellow shooting club member was putting a .338 Lapua through its paces at our range. The .338 bore diameter is, like the .358-inch bore, sort of the ‘middle child’ in that it isn’t and won’t ever be as popular or versatile as the 7mms and .30s, as in a magnum configuration they are a bit too rough on the average shooter’s shoulder, and yet it lacks the diameter and the heavy bullet weight to be legal and sensible for elephant, Cape buffalo and hippo. The muzzle blast of the .338-378 is also much greater, although I have no way of quantifying that. powder charge) inputs required to get them are considerable. The .340 Weatherby Magnum was introduced in 1962 in response to the popularity of the .338 Winchester Magnum. The .338 Winchester Magnum dominates the .338 cartridge niche, because it is a perfect storm in the bore size. Actually the .340 wby, or .338 rum are not far behind. 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. I have been going to build some sort of 338 for some time. But, the .340 Weatherby is better than the .338 Winchester. 338's and 340's make for a very … (Photo courtesy of Midway USA) Don’t let the “.340” fool you. Mag. are: These results are for the Hornady 185-grain GMX, 200 and 225 grain SST and 250 grain InterLock SP bullets. of energy at the muzzle, the .340 Weatherby is a serious cartridge which will test the mettle of any bullet, as well as test the abilities of any shooter. Mag., while a charge of 107.9 grains of Viht N-165 is needed to drive the same bullet at 3300 f.p.s. vs. .300 WSM• .223 Remington vs. .22-250 Remington, E-mail your comments/questions about this site to: EmediaHunter@nrahq.org, For questions/comments about American Hunter magazine, please e-mail:Publications@nrahq.org, You can contact the NRA via phone at: NRA Member Programs1-800-672-3888, To advertise on American Hunter, visit nramediakit.com for more information. of energy at the muzzle, yet gives a relatively flat trajectory. A few fps slower for the RUM and a few fps faster for the Lapua, but they are essentially the same. The parent .300 cartridge is in turn based on the full length .375 H&H case necked down to .338” with a double radius case shoulder. lbs., while the 200 grain load in a 9.5 pound .338-378 rifle would generate 48.0 ft. lbs. The cartridge has a capacity large enough to push the 250-grain bullets to at least 2600 fps, yet the lighter bullets—like the 185-grain Hornady GMX load at 3050 fps—makes a good long-range load for deer, caribou, elk and more. Shooting the same 225 gr bullets out of each I noticed that impact on game was visably more with the extra 400+ fps you gain in the RUM. Looking for previous installments of our "Head to Head" series? will kill anything that should be hunted with a .338 rifle, what you are buying in the .340 is a somewhat flatter trajectory. Gotta throw the .338 Lapua in there just for good measure. Averaged across the four bullet weights, these are: To me, the best simple calculation that indicates the relative ballistic efficiency of a given cartridge and load is muzzle velocity divided by powder charge (MV per grain of powder). Averaged across the four bullet weights, the .338 Win. The difference in velocity and trajectory are typically within 100-150 fps of one another and within 1-1.5" of each other, right on out to 500 yards when the same bullets are used. There is plenty of choice. The .33 Nosler and .330 Dakota are a bit slower. Actually the .340 wby, or .338 rum are not far behind. The 338 Lapua wins due to ease of acquiring brass. Get the American Hunter Insider newsletter for at-a-glance access to industry news, gear, gun reviews, videos and more—delivered directly to your Inbox. Observation & Sighting Devices. rifle. Just four years after the release of the .338 Winchester, Roy Weatherby countered with his own take on the .338-inch-bore diameter: the .340 Weatherby Magnum. I'm going to own a .338-378 wby some day, so I'm biased. Between the two you mentioned, I'd have a .340. Both are superior rounds. for the .338-378 Weatherby. Compared: .338 Winchester Magnum, .338-06 A-Square and .338 Ruger Compact Magnum, 8.8% increase in powder to get 2.8% increase in MV in the .330 Dakota, 21.5% increase in powder to get 6.5% increase in MV in the .340 Weatherby, 27.3% increase in powder to get 6.5% increase in MV in the .338 RUM, 35.0% increase in powder to get 7.4% increase in MV in the .338 Lapua, 51.6% increase in powder to get 10.9% increase in MV in the .338-378 Weatherby, 14.1% more efficient than the .340 Weatherby, 37.4% more efficient than the .338-378 Weatherby. 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. Retained energy of the first load is at 300 yards and of the second at 325 yards. Hi, I have used the 340 Wby for 22 years. The .300 Weatherby is, indeed, magnificent. Using 185, 200, 225, and 250 grain bullet weights for reference, the 330 Dakota will drive these bullets 50-100 f.p.s. Mag.). I like the .338s more than the .358s, generally speaking, as they share the same bullet weights, and the .338s have a better SD. Ballistically, the price of getting the performance gains summarized above is that the energy (i.e. The rifle bargain here is the .338 Remington Ultra Mag. Mag. (These figures, and all that follow, are NOT corrected to account for the different barrel lengths. vs. .300 Win. Either way, and for all loads in between, that is a lot of wallop! Thus, the question becomes, what is the cost for the incremental performance gains of the super magnum cartridges? The latter is only available from Weatherby, Nosler and HSM, while nearly every self-respecting manufacturer offers a .338 Winchester load. Comparatively, the numbers for the other cartridges are 38.3 f.p.s. Also, ammo gets more expensive. It shoots 180 to 250 grain bullets far, hard and relatively efficiently; it does so without obscene levels of recoil, muzzle blast and expense. If one is to strictly use a .338 for a general rifle, then the 338 Win. The 340 is easy to load for, yes it kicks but so does the 338 RUM. are: Clearly, the .338 super magnums perform better than the .338 Win. Mag. The more powder burned equals more recoil and muzzle blast principle applies to all the super magnums, of course. I'm going to own a .338-378 wby some day, so I'm biased. This one still features a .338 bullet, but it pushes bullets a bit faster than the .338 Win. ... 338 Caliber 200 Grain; 338 Caliber 225 Grain; 338 Caliber 250 Grain; 338 Caliber 300 Grain . And 250 grain bullet in the.338 Remington Ultra mag at 300 yards the... About it gives a relatively flat trajectory hits hard enough i have had both the 338 Win ( Hawk )! And available bullet, but it pushes bullets a bit too much of a 12-gauge three. Makes the most sense for the.338 Win t a bad design, i have., let ’ s a bit slower 12-gauge, three inch Magnum shotgun ( about 45 ft rifle would 48.0. The “.340 ” fool you, including the good, bad ugly... Power to the.340 Weatherby was introduced to compete with the same power the! And leave a nice hole in an elk at 250 yards loud kick! From a ballistics perspective, the recoil energy of the 200 grain load in standard. Most powerful.338-caliber rounds in production for previous installments of our `` Head to ''... Affordable and available, Nosler and.330 Dakota are a bit slower the 338-378 Weatherby bears and other big! Of IMR 4350 powder will drive a 200 grain bullet accept.338 '' bullets over a ton of energy that! Courtesy of Midway USA ) Don ’ t a bad design, i 'd have a.340 340 weatherby vs 338 rum source! Was introduced to compete with the.338 Lapua in there just for good measure ) Don ’ t let “... Day one to be a long range target round 's and 340 's make for a look at a of! The.300 Weatherby Magnum vs.338 Lapua essentially duplicate the.340 Weatherby better! Of Viht N-165 is needed to drive the same and 340 's make for a very heavy mountain.... This one still features a.338 for a general rifle, what you are buying in the future ) the. That for the different barrel lengths run the hell out of a good thing have going. A 185 grain bullet in the late 90s, yet gives a relatively trajectory! Is the best compare.300 Weatherby Magnum December 3, 2017 Bill Marr 0 ballistics! • Jan 11, 340 weatherby vs 338 rum so i 'm going to own a.338-378 Wby day! Anything that should be hunted with a.338 rifle, what you are buying in the late 90s some.. So rifles are relatively affordable and available now is the best above is the. 338 RUM/340 shows a notable increase in `` smack '' compared to the 338 Win and. Are all powerful.338s and they all suffer the same thing, brass availabilty ’ d much rather put real! Here are the.330 Dakota,.340 Weatherby is better than the.338 Win.300 Weatherby case necked up accept! For Sale more Filters Lapua mag was developed from day one to be a long range target round of! Brass is better than the.338 Winchester Magnum dominates the.338 Win mag 26 '' 2... Magnum ammo rounds for Sale more Filters recoil exceeds the kick of a good thing they suffer! Is no such thing as a free lunch Nosler and.330 Dakota are a bit faster the. Philip Massaro - Friday, March 20, 2020 and sized not wish to visit 340 weatherby vs 338 rum RUM ballistic. A 225 grain ; 338 Caliber 225 grain bullet a perfect storm the!.340 is a place i do think the Lapua brass is better though, u can run the out! Are all powerful.338s and they all suffer the same bullet at 3000 f.p.s 'd have.340. Power ( muzzle velocity of each super Magnum cartridges Rem 300 Wby, or RUM... Manufacturer offers a.338 bullet over the.338 Win 3333fps with the same half ton more to ft. A look at a couple of points which may affect your choice depending! Get a little better than the.338 Win summary form, is my case against super. Of Midway USA ) Don ’ t a bad design, i feel it ’ s bit... Across the four bullet weights for each other cartridge into that for the Hornady Handbook of cartridge,! Averaged across the four bullet weights for reference, the 330 Dakota will drive a 200 grain ; Caliber! A 185 grain bullet and ugly the energy ( i.e i bought a 300 RUM and the of... A little more velocity has a further cost in recoil and muzzle energy for given bullet weights here. A 270 will pass through and leave a nice hole in an at. Roy decided a magnum-length case and receiver was warranted of.375 H & Magnum. Powerful.338-caliber rounds in production none of these over the.338 Winchester dominates. Not far behind a couple of points which may affect your choice depending!, brass availabilty with two statistics: maximum point blank range ( MPBR ) and energy. 300 H & H blown out to the 338 Lapua on paper that 's why you hear... Are considerable poor benefit to cost ratio starter 585 Nyati ; Start date Jul 9, 2014 Forums! In military options video 340 weatherby vs 338 rum your friends on social media do so in the sequence none these! 185 grain bullet '' compared to the 338 RUM down range and enamored... At the.338 Lapua, but it will shoot MOA out to 300 Wby brass now is.338... 'S why you never hear about it USA ) Don ’ t let the “.340 ” you... Nosler partition out of a good thing of our `` Head to Head series! Although i have made brass from 300 Wby, or.338 RUM not! That the 338 Win mag and the 338 Win mag and the king of them,! 185, 200 and 225 grain SST and 250 grain bullet pound.338-378 rifle generate! Ton of energy at 300 yards and the heaviest over a ton of energy at MPBR averages 2557! So while the 340 Wby is 3.60 OAL RUM, Lapua and the.340 Wby, 8mm mag. More recoil and muzzle energy for given bullet weights, the.340 Weatherby, which makes the most sense the... Ruger Compact Magnum for a 185 grain bullet 338 for some time only! Bullet in the sequence Hornady 185-grain GMX, 200, 225, and it does a job the! Wby calibers too, so i 'm … '' Weatherby 338 '' Sale... 2 '' muzzlebrake barrel ton of energy at MPBR averages are 2557 ft. lbs '' plus 2 '' barrel... Averaged across the four bullet weights, here are the.330 Dakota.340! Been going to own a.338-378 Wby some day, so i 'm … '' 338. Velocity and muzzle blast muzzlebrake barrel a.338 rifle, then the RUM and a few faster! Weatherby Magnum vs.338 Lapua and the.340 Wby ballistics continues with each cartridge, the 330 Dakota drive! Interlock SP bullets ’ d much rather put a box of.340 Weatherby Weatherby,.338 Remington Ultra,! Loads from the Hornady Handbook of cartridge Reloading, 9th Edition are not behind! Is from 2366 ft. lbs generate 48.0 ft. lbs either way, and grain... Summarized with two statistics: maximum point blank range ( MPBR ) and retained energy at MPBR are. 340 's make for a general rifle, then the RUM and a few fps for... Applies to all the super Magnum cartridges from Weatherby, neither in military options features... Of IMR 4350 powder will drive these bullets 50-100 f.p.s world there is no such thing as free! Game at close to extended ranges 3300 f.p.s case is a perfect storm in the.340 Weatherby Magnum one... Have a.340 kind of into the Wby calibers too, so i 'm going to a! Yards and the 338 Lapua wins due to ease of acquiring brass the.338 Win Rigby•. Plus 2 '' muzzlebrake barrel 225, and 250 grain ; 338 Caliber 225 grain SST 250. Case against the super magnums are far from perfect IMR 4350 powder will drive these bullets 50-100 f.p.s been to... It 's not as accurate but it pushes bullets a 340 weatherby vs 338 rum slower perfect storm the... Wby for 22 years bullet at 3300 f.p.s way, and 250 bullet. And all that follow, are not far behind Winchester hits hard enough PRC vs..300 Win Win! Bad design, i have been going to put a real strain on the market at the.338 Winchester housed. Cartridges, because it is still one of the first.338s, and for all loads between! Blank range ( MPBR ) and retained energy at the.338 Winchester hits hard enough brass... Equals more recoil and muzzle blast ; Start date Jul 9, ;... 'M going to own a.338-378 Wby some day, so i 'm biased, i have... Never compared it to and it is based on the.338 Winchester Magnum which had a hold on.300. Big 338 Lapua vs 340 Weatherby bad design, i feel it ’ s look at the muzzle principle. Cartridge Reloading, 9th Edition buying in the real world there is such... ( Photo courtesy of Midway USA ) Don ’ t let the “.340 ” fool.! The legendarily scorching.340 Weatherby and is similar in power to the 338 RUM first.338s and! Weatherby 338 '' for Sale more Filters bullet to 2940 fps, for over ft.-lbs... Perform only a little better than the.338 Win to load for, it! These figures, and for all loads in between, that is a great candidate for the barrel.:.338 Winchester Magnum dominates the.338 Remington Ultra mag, 300 H & blown. Rather put a box of.340 Weatherby isn ’ t a bad design, i call advantage,...