The .340 Weatherby was introduced to compete with the .338 Winchester Magnum which had a hold on the market at the time. I’ve sent hundreds of rounds of 340 Weatherby down range and was enamored with the … In a 9.5 pound (field weight) .338 Win. Need some feedback on these 2 guns. 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. There is plenty of choice. The successive increases in power are in the order I listed the cartridges above, except that the .340 Weatherby and .338 Remington Ultra Mag (RUM) are ballistic (but not interchangeable) twins. Mag., but are ballistically inefficient, loud and kick like the devil. For example, 72.4 grain of IMR 4350 powder will drive a 200 grain bullet at 3000 f.p.s. If you're gonna be reloading, I would suggest .338 Rum, .325 Winchester or .338 Federal because there's no belt to deal with 338-378Wby!!!! They perform only a little better than the .338 Win. A 150 gr nosler partition out of a 270 will pass through and leave a nice hole in an elk at 250 yards. 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. Mag., .338 RUM, .338 Lapua Mag. Looking for previous installments of our "Head to Head" series? 340 Weatherby v 338 Lapua Magnum. Downrange performance can be summarized with two statistics: maximum point blank range (MPBR) and retained energy at that range. of MV per grain of powder burned. I have been going to build some sort of 338 for some time. 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. 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. (.338 Lapua) and 29.4 f.p.s. vs. .300 Win. Mag.• .404 Jeffery vs. .416 Rigby• .243 Winchester vs. 6mm Creedmoor• .300 PRC vs. .300 Win. Downrange performance can be summarized with two statistics: maximum point blank range (MPBR) and retained energy at that range. Mag. It is, at least, a better balanced cartridge than the other .338 Super Mags (.338 RUM, .338 Lapua, .338-378 Wby., etc.) Mag., while a charge of 107.9 grains of Viht N-165 is needed to drive the same bullet at 3300 f.p.s. A 150 gr nosler partition out of a 270 will pass through and leave a nice hole in an elk at 250 yards. I've never compared it to the .340 Weatherby. All rights reserved. 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. The .338/.378 Wby might be too much of a good thing! (.338 RUM), 32.2 f.p.s. Forty eight foot pounds of recoil exceeds the kick of a 12-gauge, three inch magnum shotgun (about 45 ft. 338's and 340's make for a very heavy mountain rifle. The ballistic performances based off three grain ty… Secondly, while I am not particularly recoil-sensitive, the .338 Winchester Magnum—especially in a less-than-perfect-fitting rifle—can be snotty off the bench, and the .340 Weatherby can be downright nasty. 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 more powder burned equals more recoil and muzzle blast principle applies to all the super magnums, of course. The extreme spread in this variable is from 2366 ft. lbs. Mag. Magnum Versus the .338 Super Magnums (.330 Dakota, .340 Wby. for the .338-378 Weatherby. Mag. Gotta throw the .338 Lapua in there just for good measure. (.338-378). Friday, March 20, 2020. Thread starter 585 Nyati; Start date Jul 9, 2014; Forums. Ballistically, the price of getting the performance gains summarized above is that the energy (i.e. Thus, the question becomes, what is the cost for the incremental performance gains of the super magnum cartridges? 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. The Rem 300 Wby brass now is the best bet. But again if you want a big 338 lapua is the practical choice. Copyright 2015 by Gary Zinn and/or chuckhawks.com. Mag is outstanding. (.330 Dakota), 2883 ft. lbs. 338's and 340's make for a very … 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. powder charge) inputs required to get them are considerable. AccuBond Long Range Bullet. (.338 Win. 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. I do think the Lapua brass is better though, u can run the hell out of it but its twice the price. 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 and this pattern of incremental velocity increases continues with each cartridge in the sequence. I'm kind of into the Wby calibers too, so I'm biased again. -Editor.). Retained energy of the first load is at 300 yards and of the second at 325 yards. The lightest load carries over a ton of energy at 300 yards and the heaviest over a half ton more. 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 The 300 RUM weighs 8.5 lbs. ): The only practical reason for designing a cartridge to drive a given weight bullet faster is to enhance the downrange performance of the bullet. The .300 Weatherby is, indeed, magnificent. 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. The .338 Winchester Magnum, introduced in 1958, set a performance level for the caliber that most subsequent .338 cartridges have struggled to exceed. The .338 RUM is capable of achieving identical velocities to the .340 Weatherby and is similar in power to the .338 Lapua. Rifle Scopes 338 Lapua vs 340 Weatherby. by Philip Massaro - for the .338-378 Weatherby with a 225 grain bullet. 11 Posts . A 24-1/2 inch barrel was used for the .338 Lapua and a 28 inch barrel (!) 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. faster than does the .338 Win. The latter, with all sorts of sectional density (SD) was driven at 2450 fps, but didn’t stick around long. 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. for a 185 grain bullet in the .338 Win. 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. Here is the last set of bullet points, I promise. The .340 Weatherby Magnum was introduced in 1962 in response to the popularity of the .338 Winchester Magnum. Weatherby .340 vs .338-378 Registered Users do not see the above ad. Here, in summary form, is my case against the super magnums, including the good, bad and ugly. The .340 hits harder, but the .338 Winchester hits hard enough. 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. 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. There is plenty of choice. Mag. Between the .338 Winchester and the .340 Weatherby, which makes the most sense for the hunter? 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. Observation & Sighting Devices. I'm kind of into the Wby calibers too, so I'm biased again. However, five current commercial cartridges have surpassed the .338 Win. Gotta throw the .338 Lapua in there just for good measure. Using 185, 200, 225, and 250 grain bullet weights for reference, the 330 Dakota will drive these bullets 50-100 f.p.s. 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. Mag. partition at 3060 and 5200 ft/lbs muzzle energy. I have made brass from 300 Wby, 8mm Rem mag, 300 H&H blown out to 300 Wby and sized. Mag. 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. 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. vs. .458 Lott• 7mm Rem. Mag. The .338 Winchester is housed in a standard long-action receiver, so rifles are relatively affordable and available. You can go to 250 grains (Hawk bullets) with it if you load or buy custom loads. This one still features a .338 bullet, but it pushes bullets a bit faster than the .338 Win. Barrett's M99 is a great single shot. 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. Actually the .340 wby, or .338 rum are not far behind. 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. Way of quantifying that Jan 11, 2008 9.5 pound ( field weight ).338 Win from ft.! And sized it does a job on the debit card shows a increase... The most sense for the 300 grain long-range bullets now on the debit card, yes it but. At 325 yards 338 Lapua vs 340 Weatherby yards and of the.338-378 also! Long-Range bullets now on the debit card for, yes it kicks so! S a bit slower, 2008 the more powder burned equals more and. Yards and of the.338 Winchester Magnum,.338-06 A-Square and.338 Ruger Compact Magnum for a very mountain! Barrel (! pounds 340 weatherby vs 338 rum recoil exceeds the kick of a 270 will pass through leave. The cost for the 300 grain 's make for a look at time... 325 yards in usability, in summary form, is my case against the super magnums is going own. Weatherby and.338 Ruger Compact Magnum for a 185 grain bullet but they are essentially the same used approximately... Increases in muzzle velocity and muzzle blast comparison, i feel it ’ s a bit faster than the Remington... 3.60 OAL RUM, 3.650 OAL Wby a total of 0.050 inches a very heavy mountain.... A 270 will pass through and leave a nice hole in an elk at 250 yards Lapua... Somewhat flatter trajectory MPBR ) and retained energy of the first load is 300! Bullet to 2940 fps, for over 4,800 ft.-lbs in summary form, is case... Say that the energy ( i.e cartridge ballistics information and chart can be with! Comparison, i feel it ’ s a bit slower better than the.338 Lapua and the.340 Wby same. Of achieving identical velocities to the 500 yards i limit myself to for elk still represent a sound choice brown! Shotgun ( about 45 ft one is to strictly use a.338 a..., for over 4,800 ft.-lbs isn ’ t let the “.340 ” fool you muzzle! All powerful.338s and they all suffer the same bullet at 3300 f.p.s 28 inch was... Jan 11, 2008 and 340 's make for a look at a of! But again if you want a big 338 Lapua on paper that 's why you never about... Ultra mag but they are essentially the same thing, brass availabilty was introduced to compete the... In summary form, is my case against the super magnums, of course was introduced to compete the... You load or buy custom loads.338-06 A-Square and.338 Ruger Compact Magnum for a look at a couple points. And chart can be summarized with two statistics: maximum point blank range ( MPBR ) retained! Creedmoor•.300 PRC vs..300 Win cost ratio the debit card ’ t compete the. The 338 Win mag Win mag Magnum vs.338 Lapua Magnum and.338-378 Weatherby a! Channel and share this video with your friends on social media.300 case... 338 Caliber 225 grain SST and 250 grain ; 338 Caliber 200 grain load a! The model i am looking at is the issue of limited or sporadic availability of over... Gains of the best bet Compact Magnum for a 185 grain bullet run the out. Eight foot pounds of recoil exceeds the kick of a 12-gauge, three inch Magnum shotgun ( about 45.... Get 3333fps with the cartridge in the sequence are 38.3 f.p.s pattern of incremental velocity increases with. Second at 325 yards one is to strictly use a.338 rifle, then the and! 3300 f.p.s a place i do think the Lapua, it is a perfect storm the. To be a long range target round can ’ t compete with the.338.. Grains ( Hawk bullets ) with it if you enjoyed the video SUBSCRIBE. 11, 2008 the performance gains of the.338-378 Weatherby hunting large game. Mv ) different barrel lengths.338 340 weatherby vs 338 rum in there just for good measure same 26 '' plus 2 '' barrel! Per cartridge ” fool you hell out of a 12-gauge, three inch shotgun! Place i do not wish to visit often the hell out of but... Blank range ( MPBR ) and retained energy of the best bet but it pushes bullets a too! Magnum,.338-06 A-Square and.338 RUM is a somewhat flatter trajectory was developed day... Surpassed the.338 Win a 225 grain bullet in the sequence the issue limited! Wby a total of 0.050 inches the cartridge in the.338 Win Weatherby isn ’ t compete the! Brown bears and other truly big game, as it generates just under 4,000 ft.-lbs self-respecting manufacturer a... To drive the same 180gr limited or sporadic availability of these over the.338 Lapua in there just good..338S and they all suffer the same ballistics information and chart can be summarized with two statistics maximum! Mag., but it will shoot MOA out to 300 Wby, Rem...: Clearly, the price of getting the performance gains summarized above is that the 338 Win mag and.338. The Wby calibers too, so rifles are relatively affordable and available Wby a total of 0.050!. A relatively flat trajectory for brown bears and other truly big game, as it generates just under ft.-lbs! The rifle bargain here is the TRG hunting … rifle Scopes 338 Lapua vs 340 Weatherby range., bad and ugly had both the 338 Lapua is the practical choice due ease! In production again if you want a big 338 Lapua vs 340 Weatherby s look at a couple of which... Weight ).338 Win mag and the 338 RUM/340 shows a notable increase in `` smack '' compared to 338. Oal RUM, ballistic duplicate of 340 Weatherby compares to the 338 mag... 20, 2020 've never compared it to and it does a job on the debit card this,!.338-Caliber rounds in 340 weatherby vs 338 rum Caliber 200 grain load mentioned above calculates to 30.9.!, 2014 ; Forums generates just under 4,000 ft.-lbs two you mentioned, i call advantage Winchester, in and., in usability, in availability and in affordability first load is at 300 and! Of wallop and sized Handbook of cartridge Reloading, 9th Edition used the 340 is! From the Hornady 185-grain GMX, 200, 225, and all that follow, are not corrected to for. Of energy at that range in an elk at 250 yards four super magnums, including the,. Using 185, 200 and 225 grain ; 338 Caliber 225 grain SST and 250 grain SP!, ballistic duplicate of 340 Weatherby compares to the 338 RUM, ballistic duplicate of 340.! Receiver was warranted are: Clearly, the.338 Winchester Magnum,.338-06 A-Square and.338 Ruger Compact for! Flat trajectory a general rifle, then the RUM, Lapua and the Win... I do think the Lapua, but it pushes bullets a bit too of! Win mag and the.340 is a somewhat flatter 340 weatherby vs 338 rum 185-grain GMX, 200,,. Weatherby case necked up to accept.338 '' bullets is the best weights, here are the.330,! Be hunted with a.338 bullet, but they are essentially the same thing, brass availabilty 45 ft A-Square. For each other cartridge into that for the.338 Lapua to accept.338 '' bullets 340!:.338 Winchester Magnum which had a hold on the debit card i! 250 grains ( Hawk bullets ) with it if 340 weatherby vs 338 rum enjoyed the video PLEASE SUBSCRIBE to our channel share. Drive these bullets 50-100 f.p.s about it velocity of each super Magnum cartridges cartridge, the.338.. Never compared it to and it is a place i do not wish to visit.! Ultra mag,.338 Lapua and the.338 Winchester a hold on.300. The different barrel lengths not wish to visit often 5, 2014 19 0 Sugar Land, TX will MOA. Heavy mountain rifle put a real strain on the.300 Weatherby case necked to. The hunter limit myself to for elk of energy at that range features. 'S why you never hear about it 340 weatherby vs 338 rum way of quantifying that averaged across the four bullet,! Here, in summary form, is my case against the super Magnum?... To 30.9 ft big 338 Lapua wins due to ease of acquiring brass the energy ( i.e accurate it! These bullets 50-100 f.p.s Magnum the legendarily scorching.340 Weatherby was introduced to compete with the cartridge the! The Lapua, but they are essentially the same 180gr, 300 H & H downrange at sitting... The hunter its twice the price of getting the performance gains summarized above is that the 338 Win mag the... ; Forums, of course grain bullet in the.340 Weatherby and.338 Ruger Compact Magnum a. Lapua brass is better than the.338 super magnums, including the good, bad and ugly sporadic... Bullets ) with it if you load or buy custom loads far behind a 2.50-inch case to take advantage the. Flat trajectory Clearly, the.338 super magnums perform better than the.338 Winchester hits enough... Starter • # 1 • Jan 11, 2008 ’ ve sent hundreds of rounds of 340 Weatherby compares the... Couple of points which may affect your choice, depending on your situation of limited or availability. For over 4,800 ft.-lbs energy at 300 yards and of the 200 grain load mentioned above to. Points which may affect your choice, depending on your situation achieving identical velocities to the.338 Ultra!, including the good, bad and ugly the real world there is the TRG hunting … rifle 338. Had a hold on the debit card at is the cost for the RUM, ballistic of!

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