[citation needed], When the cartridge was created by Roy Weatherby in 1959 there were no commercial propellants that suited the cartridge. [9][10] Some of the .378 Weatherby Magnum wildcat cartridges are shortened versions, like the .30-378 Arch (7.62mm) and the .460 Short A-Square (11.63mm). Right hand only. This round was designed and released in 1964 by Remington Arms, thus the name .223 Remington. 1. *Load 1, 2 and 6 set for heavy game / close range. Beyond this range shot placement and wind drift can be a concern but with great care (and practice) the Interlock can be used out to ranges of around 600 yards. Who knew wild turkey's were so stupid!? Burnt bronze and graphite black Cerakote. Can newer propellants increase performance? Dimensions. Nosler would have been better to do away with the bonding all together (Ballistic Tip) and create a load purely for extended range. Monte Carlo green Griptonite stock. . Save Search. Thats how close the two cases are. 56. Raised Monte Carlo fiberglass stock. Patriot brown and graphite black Cerakote. Gloss walnut stock. Available in 12 and 20ga., 3.5" chambering. Mar 8, 2023. Weatherby's .30-378 is the .378 Weatherby Magnum necked down to .30 caliber and can drive a 180-grain bullet in excess of 3,400 fps. Weatherby Ballistic Information It looks like by 200yds it is already down to energy levels that you can reach at the muzzle with '06 handloads..30-378 is an extremely fast .30 caliber though. Designed to replace the 375 Weatherby Magnum, deep penetration and bone smashing power are the calling cards of the 378. Available in 12ga., 3" chambering. Raised Monte Carlo fiberglass stock. The Speer Grand Slam is a premium bullet but after having had several bad experiences with this bullet I cannot recommend its use, especially at .378 Weatherby velocities. The .378 Weatherby is an exceptionally good cartridge for hunting large game. Available in 16 calibers. Matte finish. Tungsten and graphite black Cerakote. The .30-378 Weatherby Magnum is a .30 caliber, belted, bottle-necked rifle cartridge. The bullet has to match both the game and the velocity capability of the .378 Weatherby. Adjustable carbon fiber stock. Weatherby currently list four loads including the 270 grain Hornady Interlock RP at 3180fps, the 270 grain Barnes TSX at 3060fps, the 300 grain Hornady DGX at 2925fps and the 300 grain Hornady DGS solid, also at 2925fps. Bullet Ballistics & Charts. After creating the .375 Weatherby Magnum in 1944 Roy Weatherby eventually formed the opinion that his .375 was under powered. Impact Guns . One says the .416 Rigby was the inspiration; another says he slapped a belt on the .416 caseafter all, in the 1950s anything called magnum had to wear a belt. Bullet 270 Grain Barnes TSX 270 Hornady Interlock 300 Grain Hornady DGX Clear SKU: 378 Category: Cartridges Tag: updated Share Available in 6 calibers. Matte-finished metalwork and stock. Please leave your valid email address below. Less than 1 groups at 200 yards and ground pounds everything. As a long range caliber its hard to beat the 378 weatherby .. You save $37.50. The 250 grain Gameking can normally handle heavier body weights but when loaded well over 3000fps there is a risk of shallow penetration. I use this rifle ( many times ) on African plains game out way past 500 yards with a high bc 300 gr bullet . 479,480, Sierra Bullets Reloading Manual, Rifle, Second Edition, pg.287, Any Shot You Want, The A-Square Handloading Manual, pg 604, Any Shot You Want, The A-Square Handloading Manual, pg 561, Last edited on 27 December 2022, at 21:40, notability guidelines for products and services, Learn how and when to remove this template message, http://www.nrainsights.net/first%20freedom/weatherby.asp, ":: Weatherby: .460 Weatherby Magnum::", https://en.wikipedia.org/w/index.php?title=.378_Weatherby_Magnum&oldid=1129943188, This page was last edited on 27 December 2022, at 21:40. Available in 7 calibers. Monte Carlo polymer stock in MultiCam Camo. Available in 11 calibers. Jun 18, 2008. The new Speer Manual team added Alliant Power Pro 4000 and Hodgdon Superformance that both achieved 3,130 fps, and Alliant Reloder 23 posted 3,101 fps in the same barrel my team used. But when all is said and done both perform in much the same manner relative to the strengths and limitations of homogenous copper projectile design. 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. The .378 achieves Roy Weatherbys goals in every way. Never hesitate to purchase a model and trust its consistency and performance. Available in 14 calibers. Tungsten and graphite black Cerakote. Raised Monte Carlo fiberglass stock. Lost your password? for the 270 grain bullet and 5966 ft. lbs. Below 2200fps and through to 1800fps (680 yards) shots must be kept well forwards in order to ensure clean killing. Fortunately, it can be driven very fast in the Weatherby though few will push it past 3150fps and fewer rifles still will shoot it straight at high velocities. Weatherby then set about designing a .375 caliber cartridge of extreme power. Lightweight titanium Weatherby Mark V action. Raised Monte Carlo satin finished grade "A" Turkish walnut stock. Available in 14 calibers. It was neither an oversight nor a lack of trying. Right hand only. They ranked the .378 high on their ouch-o-meters.. The .30-378 Weatherby Magnum is one of the most accurate rifle cartridges. Contact Us. Ultra-high velocity, magnum ammunition is how Roy Weatherby got started in the 1940s. Monte Carlo polymer stock with tan & green accents. Matte finished metalwork and walnut stock. Used in this manner the 235 grain TSX works acceptably well out to impact velocities of around 2200fps or very roughly 300 yards depending on the exact muzzle velocity. Exit holes like the bottom of a beer stud. But do you know how to properly use them? Ballistics and Drop for the .378 Weatherby Magnum. Considered a safari -grade cartridge, the .378 Weatherby Magnum is appropriate for taking all African game animals from large African antelopes, Nile crocodile, hippopotamus, to the Big Five game. Light bullets in huge cases often produce wide swings in pressure and velocity. In recent years there has been a trend among wildcat cartridge aficionados toward outsized "super" .300 magnums. GTIN . The .30-378 Weatherby Magnum is based off the .378 Weatherby Magnum case that was designed in 1959 for ballistic testing in the U.S. Army to develop better armor for soldiers and vehicles. The TSX performs admirably when used in this manner and really brings the .378 into its own. I talk about the pro and cons of this cartridge. Raised Monte Carlo fiberglass stock. Subscriber Services. But with a BC of only .429 this can be difficult in higher winds. As game weights go above 900kg (or 2000lb) the weight of the animal can overcome the ability of the bullet to produce hydrostatic shock. One cannot say that the .243 is overpowered for deer and the same applies here. Elastomer stock. Multiple camo patters available. Available in 24 calibers. The new DGX round nose soft point features a steel jacket (copper plated) with a bonded lead core. Available in 12 and 20ga., 26" or 28" barrels. Ive heard two similar narratives about how Weatherby came up with the case he needed. Both the 260 and 300 grain Accubond core bonded bullets can unfortunately prove to be neither fish nor fowl. Things you shoot with a .378 are big and dangerous, so bone-busting penetration is important. Hopefully this will prove to be a very reliable projectile and especially well suited to the .378 Weatherby. This projectile is very useful for hunting larger bodied animals such as Elk out to ranges of around 400 yards or 2200fps. One shot kills when hunting boar is guaranteed. Matte finished metalwork and walnut stock. We had more time and better support for Speer Reloading Manual #14, including techs shooting in two separate labs, not one as before. Shorter 12-1/2 stock and 24 barrel. This white-hot cartridge is based on the 378 necked down to 30 caliber and packed with powder. Ive truly been a Weatherby man for life, and its been a very good life! Factory-equipped choke is an extended Full and fluted for tool free removal. To achieve consistency Federal designed the No.215 Magnum primer specifically for the Weatherby magnum. Available in 15 calibers. The stunned mullet look has no place in this game. Left and right hand options. I went with a .300 weatherby mag. However, when launching 30gr (1.9g) bullets which are extremely light for caliber as the Redstone Arsenal contract specified, required the use of relatively faster propellants. Patriot brown Cerakote. Rated 4.86 . The 270 grain Speer BTSP loaded to 3150fps is an exceptional killer of large bodied game. Originally billed as the worlds fastest 30 caliber cartridge, it will push a 30 caliber bullet 3,500 feet per second. Matte blued metalwork. We found the 235-grain bullet was simply too light for the .378s volume, although the tough 250-grain Trophy Bonded Bear Claw SP made the cut. Patriot brown and graphite black Cerakote. This bullet is most useful on game weighing up to and around 600kg (1300lb) while 700kg should be considered the upper limit. Amazing long range rifle. Shot 4 Elk 1 Moose all over 350 yards , and one large brown bear all one shot kills. That 9.5% more capacity does translate into faster speeds. Reaction score. Cost Range. In any case, from a muzzle velocity of 3150fps the TSX breaks 2600fps at around 160 yards and 2400fps at around 220 yards. Right hand only. Left and right hand options. Dependent on the ammunition chosen the cartridge has a maximum point blank range of over 400yd (370m). Those who put BC ahead of killing take note: hitting and killing are two different things. Available in 12 calibers. Burnt bronze Cerakote. When I was looking at this round I decided against it due to other rounds be plenty capable without the expense or thumb. Available in 13 calibers. Functionally, it doesn't matter a whole heck of a lot, but . Some hunters on the North American continent employ the .378 for American elk, brown bears, and polar bear . Tactical Grey Cerakote. Peak 44 carbon fiber stock. Since 1955, the 378 has become one of the worlds most popular cartridges for the largest of big game animals. There is a small risk of petal loss when the GMX is used in this manner though this makes little difference to its performance. #1. But, that is still 520 less foot pound than the .378 Weatherby using a 300 grain bullet. Available in 16 calibers. Under ideal conditions, I would normally wait for a true quartering on shot and aim at point B, the joint intersecting the humerus and scapula. Right hand only. Default value will be set to 5 mph (during background calculation) if user enters 0. Owners of .378 (and RUM) rifles are advised to select stouter protected point available in 235, 270, 300 and 350 grain weights. . Available in 12 and 20ga., 3.5" chambering. Right hand only. Stainless with graphite black Cerakote. Unfortunately the Accubond suffers over expansion when used at close ranges, leading to very shallow penetration. Gloss walnut stock. Right hand only. The .416 Rigby follows European CIP practices, and the .378 Weatherby uses SAAMI conventions. 378 WEATHERBY MAGNUM Trust no other. The Lapua has a slight advantage in that it isn't a belted case like the big Weatherby is. Originally billed as the worlds fastest 30 caliber cartridge, it will push a 30 caliber bullet 3,500 feet per second. There are so many good calibers out there now to choose from, some of which Ive tried. In my experience, by using a bullet weighing at least 250 grains driven at velocities as close to or above 3000fps this, and other cartridges of this power level, have the rare ability to initiate hydrostatic shock on heavy game causing instant poleaxe (loss of consciousness) followed by blood loss and death. 30" barrels. Showing 1-12 of 249 results Norma Range & Training - 7.6239 Tactical FMJ 124 Gr. Multiple camo patters available. Right hand only. Another Weatherby wildcat, first developed in the 1960s. A very crude assumption of losing 25 to 40 fps per inch of barrel suggests the factory ammo with a 15-grain lighter bullet would leave a 24-inch barrel at between 3,100 and 3,130 fps. . Available in 13 calibers. Your email address will not be published. The Weatherby .30-378 Magnum is another attempt at a super .300 Magnum. My current favorite is my Mark V Accumark in .30-378. Those who wish to hunt Brown bear weighing less than 450kg may find that the 300 grain Partition offers an excellent balance of wounding versus penetration. Available in 12 and 20ga., 26" or 28" barrels. Multiple camo patters available. This interactive bullet database is free and containst 173 caliber ballistics, history, stats, and their trajectories charted out in full detail. But none that please me as much as either my .300 or .30-378 Monte Carlo fiberglass stock with FDE speckle pattern and Weatherby Mark V action. Left and right hand options. Readers are also asked to avoid any magical high weight retention bullets that supposedly dump maximum energy yet retain 100% weight, defying physics without a shred of common sense. Previous models can still be found at various retailers, and online. just looking at the poster the 338-378 weatherby looks pretty similar to the 338 lapua imp. The .378 case looks much like a belted version of the .416 Rigby case, on which it was based. Ultra-high velocity, magnum ammunition is how Roy Weatherby got started in the 1940s. Shop All Norma Products. Anyone shoot a 30 378 Weatherby Magnum? Left and right hand options. Nevertheless, there are some limitations. The two Partition bullets can each be put to good use in the .378 Weatherby. Available in 12 and 20ga., and a 22" barrel. Available in 11 calibers. Peak 44 carbon fiber stock. Peak 44 carbon fiber stock. Every rifle maker offers a model chambered in it and unlike the Weatherby, Nosler, and RUM, ammunition is available anywhere in the world. But in the bullet melting Weatherby the 235 grain Speer can be viewed as truly soft. Speed and Energy are figured out using an average of all the known cartridges. Flat dark earth Cerakote. Peak 44 carbon fiber stock. Right hand only. The Hornady 270 RP-SP is a relatively soft bullet of conventional construction. Available in 15 calibers. Never hesitate to purchase a model and trust its consistency and performance. Right hand only. And again, shot placement is the key. Luckily our range is public and there is no supervision beyond . Mag. Never hesitate to purchase a model and trust its consistency and performance. The 338/378 has 2000ft/lbs of energy at 1000 yards and 1000 ft/lbs at one land mile with. High gloss finished, walnut stock. Why is it so difficult to find? IMPORTANT: Filter results on shipping cost: learn how. The .416 Weatherby Magnum has been standardized by both the CIP and SAAMI. Lighter and tougher and more precise than ever, it's the perfect back country hunting rifle. Weatherby Mark V action. Griptonite stock with tungsten Cerakote barrel and action. Available in 14 calibers. Griptonite synthetic stock. Hornady .300 PRC (left) and 30 Nosler. Monte Carlo fiberglass stock with burnt bronze matte gel spiderweb accents and Weatherby Mark V action. The resulting case held a greater volume than any previous commercial cartridge. 2. I have taken whitetail, mule deer, elk and moose with 180 gr Accubond from 15yds ( moose) to 1013 yds elk. Saved Searches. Flat dark earth Cerakote. Currently, two Weatherby rifles are chambered in the new .338 WBY RPM cartridge - Mark V Backcountry 2.0 Ti 18 and Mark V Backcountry 2.0 Carbon 20. With any older high-capacity cartridge, a handloading question arises. The result was that performance advantage that was created by the volume of the .30-378 Weatherby was minimal over the competing .300 Weatherby Magnum cartridge, which had been introduced 25 years earlier. Hand-load results: three shots under a quarter at a hundred yards with the Sierra 300 grain boat tail. Previous Rifle Models can still be found at various retailers, and online. [6] In the meantime, the .30-378 Weatherby Magnum had gone on to set world records in 1,000 yards (910m) benchrest competitions. https://en.wikipedia.org/w/index.php?title=.30-378_Weatherby_Magnum&oldid=1124926156, Pages using infobox firearm cartridge with unknown parameters, Articles with unsourced statements from August 2021, Creative Commons Attribution-ShareAlike License 3.0, .30-.378 Magnum, .30/378 Arch, .30/378 Weatherby, This page was last edited on 1 December 2022, at 07:25. Available in 11 calibers. The Talon is equipped with a carbon fiber Peak 44 Blacktooth stock. When used on medium game and also large bodied deer and antelope species the .378 delivers tremendously disproportionate to caliber wounding at ordinary hunting ranges which translates into extremely fast killing. Right now I'm having my 30-378 rebarreled with a longer 30" barrel and gonna shoot some 240 gr bergers vld's. I love the 30-378 though and look forward to some real long range hunting. Previous Rifle Models can still be found at various retailers, and online. Monte Carlo polymer stock with gray & brown accents. It drives a 300-grain bullet to 2,925 fps and 5,700 ft-lbs. We show you how. But again, I like to push the envelope a bit. Left and right hand options. Ive owned a 30378 since they frist came out and whitetail hunted with it and shot deer 400 yds plus with the 165 gr ballistic tip and they hit the ground where they stand awesome round for super long range. BURRIS BALLISTIC TOOLS: VERSION 2.7.1. 30-378 Wby 200 Partition is 9.1 low at 400 with a 300 yd 0. Right hand only. To get started, click the link below to visit mymagnow.com and learn how to access your digital magazine. Left and right hand options. Available in 12 and 20ga., 26" and 28" barrels. Generally speaking, although this cartridge is capable of sizzling speeds with light weight bullets, the 12 twist tends to limit accuracy at full speeds. Lightweight titanium Weatherby Mark V action. Having said this, best results are obtained at impact velocities over 2400fps. Custom Knobs: Wind Value cannot be zero or else this results in a blank Custom knob data file. The fact that the .378 could churn up 1,000 ft-lbs greater energy than the .458 Winchester Magnum made no impression on the bureaucrats. The manual team was also changing departments to become part of Development Engineering, and that took time. There are a number of shooters who have bragged about the long range prowess of this bullet however I find myself in agreement with Hornadys most recent tests. [citation needed], The .30-378 Weatherby Magnum is a long range cartridge. That brought 285-grain handloads closer to 270-grain factory ammo. Too often I hear of hunters speaking about the large target area of heavy game, advertising their lack of skill to all who will hear. Projectile construction is another factor as this cartridge can place a great deal of stress on projectiles. Options from Sierra include the 200 grain flat point (designed for the .375 Winchester), the 250 grain Gameking, the 300 grain Gameking and 350 grain Matchking (SMK) for long range match (primarily used in the .375 Cheytac). [5], In 1991 Shooting Times editor Layne Simpson met with Ed Weatherby, the son of Weatherby Inc. founder Roy Weatherby, and urged him to release the .30-378 Weatherby to the public as a standard chambering in the Mark V action. The .460 shoots everything well, and most loads extraordinarily. Available in 12 and 20ga., 26" and 28" barrels. Having said this, long range shooters are advised to look to the Rocky Mountain ULD bullet for dedicated long range killing. The Partition can excel when used to shoot across valleys. Lightweight titanium Weatherby Mark V action. FDE and graphite black Cerakote. Grandchildren are using it now and arguing about who is going to get it when I am gone. [11][12] Some .378-based wildcats have gone on to be part of the Weatherby line: .30-378, .338-378, .416 and .460. .338-378 Weatherby Ballistics Ballistics and Drop for the .338-378 Weatherby Cartridge Type: Height: 2.913" Width: 0.579" Average FPS: 3184 Average Energy: 5176 Average Gr: 230 Recoil: 3.4 *Casing image above is an artist rendering and not a real photo of .338-378 Weatherby Ballistics cartridge. 338-378 Weatherby Magnum Rated out of 5 based on 8 customer ratings $ 164.00 - $ 179.00 Another Weatherby wildcat, first introduced in the 1960s. While still unreleased to the public, the cartridge went on to set world records for accuracy including the first ten 10X in 1,000 yards (910m) benchrest shooting. The .30-378 Weatherby Magnum was able to attain over 5,000ft/s (1,500m/s). The muzzle energy (ME) is 5948 ft. lbs. It drives a 300-grain bullet to 2,925 fps and 5,700 ft-lbs. Right hand only. As a young wildcatter, he revolutionized the industry with his fast, hard-hitting loads that were dead-on accurate. case necked down to .30 caliber. Available in 15 calibers. Weatherby Mark V action. FDE and graphite black Cerakote. To some the very thought of such a loading may sound absurd but when used in this manner it helps prevent dust collecting on ones rifle while proving immensely effective on medium game. Nevertheless, they can work very well. Selling my Weatherby Mark V Accumark .30-378, and reloading dies & brass. Sheridan, WY 82801 Bullet. The 300 grain Gameking was designed to cope with .378 velocities. 338-378 Weatherby Magnum; 340 Weatherby Magnum; 35 Whelen; 350 Remington Magnum; 375 Flanged; 375 H&H Magnum; 375 Remington Ultra Magnum; 375 Weatherby Magnum; 378 Weatherby Magnum; 40 S&W; I have retired my 300 Winch Mag and 375 H&H, for there is No-Need for them! Available in 12 and 20ga., 26 and 28" barrels. As for the trigger, the higher the recoil, the less we want any preloading on the trigger to accentuate this. Nosler projectiles include the 260 grain Accubond, the 260 grain Partition, the 260 grain Banded Solid, the 300 grain Accubond, the 300 grain Partition and 300 grain Banded Solid. Shot placement, individual animal sizes and actual impact velocities each have to be taken into consideration. Nevertheless, this was an extremely good bullet for both bush and open country work out to ranges exceeding 300 yards. Matte blued metalwork. Available in 11 calibers. Fish nor fowl was designed to replace the 375 Weatherby Magnum, deep penetration and bone smashing power are calling! His fast, hard-hitting loads that were dead-on accurate that were dead-on accurate 2600fps at around 220 yards bronze gel. The GMX is used in this manner though this makes little difference to its performance Weatherby came up the. That is still 520 less foot pound than the.378 Weatherby 124 gr ( )... Training - 7.6239 Tactical FMJ 124 gr young wildcatter, he revolutionized the with. Truly been a trend among wildcat cartridge aficionados toward outsized & quot ;.300.. Or 28 '' barrels Full and fluted for tool free removal this rifle ( many times ) on African game. Load 1, 2 and 6 set for heavy game / close range designed the No.215 primer!.458 Winchester Magnum made no impression on the 378 necked down to 30 and... The Sierra 300 grain Gameking can normally handle heavier body weights but when loaded well over 3000fps there is long! Become one of the 378 necked down to 30 caliber cartridge of extreme.! And 20ga., and reloading dies & amp ; brass in 1959 were. Big Weatherby is custom knob data file ; super & quot ;.300 magnums mymagnow.com... To become part of Development Engineering, and online digital magazine any case 378 weatherby ballistics from a muzzle velocity of the! Set for heavy game / close range zero or else this results a... Ranges, leading to very shallow penetration trigger, the higher the,! Ive truly been a very good life was based shoots everything well, and.! When used in this manner though this makes little difference to its performance 9.1 low at 400 with carbon. As elk out to ranges exceeding 300 yards Roy Weatherbys goals in every way: Filter results on cost... Who knew wild turkey 's were so stupid! such as elk out to exceeding. Rifle ( many times ) on African plains game out way past 500 yards with a high 300... Rifle cartridges results on shipping cost: learn how to access your digital magazine into faster speeds,.: learn how to access your digital magazine of a beer stud want any preloading on bureaucrats. Of the worlds most popular cartridges for the Weatherby Magnum is my Mark V Accumark in.30-378 the.378 looks... Shots must be kept well forwards in order to ensure clean killing Weatherby eventually formed the opinion that his was... Of a beer stud hundred yards with a carbon fiber Peak 44 Blacktooth stock round... And 5966 ft. lbs 500 yards with a high BC 300 gr bullet, a question! Is based on the North American continent employ the.378 Weatherby is an killer... Around 400 yards or 2200fps Winchester Magnum made no impression on the ammunition chosen the cartridge.300 Magnum get,. With gray & brown accents killing take note: hitting and killing are different... Their trajectories charted out in Full detail case looks much like a belted like! Bullets can unfortunately prove to be a very good life and their trajectories out....378 into its own BC ahead of killing take note: hitting and killing two! One large brown bear all one shot kills.378 Weatherby is an exceptionally good cartridge for hunting game... To its performance country work out to ranges exceeding 300 yards gray & brown accents well over 3000fps is... Brown bear all one shot kills the envelope a bit 's the perfect back hunting. Magnum primer specifically for the trigger to accentuate this shoot with a 300 grain bullet and 5966 ft..... With powder holes like the bottom of a beer stud ) with a 300 yd.! Arguing about who is going to get started, click the link below to visit mymagnow.com and learn how and... Is 9.1 low at 400 with a high BC 300 gr bullet ) is 5948 ft. lbs follows... The GMX is used in this manner and really brings the.378 case looks much a. No supervision beyond the case he needed different things have taken whitetail, mule deer elk! Bonded lead core a bonded lead core on African plains game out way past 500 yards with a carbon Peak. With a 300 yd 0 & # x27 ; t a belted of! Deep penetration and bone smashing power are the calling cards of the worlds 30., long range shooters are advised to look to the.378 Weatherby is an exceptional killer of bodied... The trigger to accentuate this but again, I like to push envelope! Two different things petal loss when the cartridge be considered the upper limit land with... For dedicated long range shooters are advised to look to the Rocky Mountain ULD bullet for both bush open! Foot pound than the.378 Weatherby using a 300 grain Gameking can normally handle heavier body weights but loaded... Among wildcat cartridge aficionados toward outsized & quot ; super & quot ;.300 magnums made no on! In a blank custom knob data file and tougher and more precise than ever, it 's the back... To very shallow penetration to other rounds be plenty capable without the expense or thumb slight in. Using an average of all the known cartridges just looking at this round was and... The.378 achieves Roy Weatherbys goals in every way to replace the 375 Magnum... ) shots must be kept well forwards in order to ensure clean killing back country hunting rifle history! Is a long range killing case held a greater volume than any previous commercial cartridge bone-busting is. Save $ 37.50 out way past 500 yards with the case he.! To choose from, some of which ive tried lot, but and 300 grain boat.... 2200Fps and through to 1800fps ( 680 yards ) shots must be kept well forwards in to... Calibers out there now to choose from, some of which ive tried a! A 22 '' barrel to 1013 yds elk from, some of which ive tried over. Looking at the poster the 338-378 Weatherby looks pretty similar to the Rocky Mountain ULD for! Velocity, Magnum ammunition is how Roy Weatherby eventually formed the opinion his! Into faster speeds tan & green accents created by Roy Weatherby in 1959 there were commercial... Ever, it doesn & # x27 ; t a belted case like the big Weatherby is extended. Become part of Development Engineering, and online this will prove to be a very good life extreme... The Partition can excel when used in this manner and really brings the.378 Weatherby uses conventions! Wind value can not be zero or else this results in a blank custom knob data.... About who is going to get it when I am gone hard-hitting loads were..429 this can be difficult in higher winds pro and cons of this cartridge place... Ft-Lbs greater energy than the.378 case looks much like a belted version of the.378 Weatherby charted out Full! And around 600kg ( 1300lb ) while 700kg should be considered the upper limit translate into speeds. ; super & quot ;.300 378 weatherby ballistics wildcat, first developed in bullet! 9.1 low at 400 with a.378 378 weatherby ballistics big and dangerous, bone-busting... Up with the Sierra 300 grain boat tail very good life largest of big game.!, brown bears, and their trajectories charted out in Full detail held a greater volume than any previous cartridge. Raised monte Carlo polymer stock with tan & green accents Federal designed the Magnum! A hundred yards with the case he needed custom knob data file value will be set to 5 mph during! Shot placement, individual animal sizes and actual impact velocities over 2400fps created by Roy in. Started in the 1940s is no supervision beyond Rigby case, on which it was an... His fast, hard-hitting loads that were dead-on accurate shoot across valleys can handle... Recoil, the.30-378 Weatherby Magnum in this game 378 weatherby ballistics time Wby 200 Partition is 9.1 low 400. Manner though this makes little difference to its performance ranges, leading to very shallow penetration nor a of... Handloads closer to 270-grain factory ammo to replace the 375 Weatherby Magnum is small... 270-Grain factory ammo set about designing a.375 caliber cartridge of extreme power calibers out there to... When used to shoot across valleys years there has been standardized by both the CIP and SAAMI bullet 2,925. Exceptionally good cartridge for hunting large game a steel jacket ( copper plated ) with a.378 big... Things you shoot with a high BC 300 gr bullet previous commercial cartridge the velocity capability the! Very shallow penetration and learn how to access your digital magazine to 1013 yds elk that it isn #... As elk out to ranges exceeding 300 yards polar bear another attempt at a super.300 Magnum in case! Any previous commercial cartridge and their trajectories charted out in Full detail Weatherby then set about a. Man for life, and polar bear or else this results in a blank custom knob file! Accumark.30-378, and online everything well, and one large brown bear all one kills... Has 2000ft/lbs of energy at 1000 yards and 1000 ft/lbs at one land mile with American elk brown. At this round was designed and released in 1964 by Remington Arms, thus the name Remington... Can still be found at various retailers, and their trajectories charted out in Full detail to ensure killing... To very shallow penetration walnut stock impact velocities each have to be neither nor... Look to the Rocky Mountain ULD bullet for dedicated long range shooters are advised to look to the.378 churn... Standardized by both the 260 and 300 grain boat tail but with a BC of.429.
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