Hopefully this will prove to be a very reliable projectile and especially well suited to the .378 Weatherby. 378 weatherby for sale and auction. It also spawned an entire family of cartridges. But the .30-378 magnum story does not end there. That means it is a whopping big cartridge case. Below 2200fps and through to the cut off point of 1800fps we see a more noticeable delay while shot placement is also made more difficult as a result of wind drift (BC .301). Having said this, long range shooters are advised to look to the Rocky Mountain ULD bullet for dedicated long range killing. The next challenge came in the form of internal ballistics. In EHJ’s 2016 June/July issue Dan Turvey, Jr. and I debated the merits of .30 cal vs. sub .30 cal rifles. The Swift A-Frame is very similar to the Partition but instead features core bonding. 175 Gr. While this load is acceptable for hunting large bodied deer readers are advised to refrain from using this projectile on heavy game. I long for the day when either Hornady or Sierra revisit this bullet weight. The high sectional density of the 350 grain bullet helps immensely with straight line penetration, adding some reliability when hunting game in the 600 to 700kg (1300 - 1540lb) weight range. Some show the cartridge topping out with a 180-grain bullet at 3,300 fps while others give it another 100 fps or so. Swift projectiles include the 250, 270 and 300 grain A-Frame’s along with their new Break away solids (untested at the time of writing). As a long range bullet for large bodied deer and antelope the Speer is simply outstanding down to 1800fps. I generally use the slower burning 4831 burn rate powder when developing mild loads (also when loading the Sierra flat point) but have also used full charges of H1000. Simple burn rate chart and lean to vv 500 powders if you can , imr is temp sensitive , etc . One thing is certain: The maximum velocity potential of the cartridge will be reached only by the use of the slowest-burning powders available. From muzzle velocities of around 2900fps the two loads will hopefully work very well together. Nosler would have been better to do away with the bonding all together (Ballistic Tip) and create a load purely for extended range. The brass Interbond bullet was the worst, suffering bullet blow up on impact. Speer bullets include the 235 grain semi spitzer Hotcor, the 270 grain BTSP and the 285 grain Grand Slam. Instead it often does its best work on large bodied deer and antelope and although there is ample scope for this, it is still somewhat of a shame that Speer do not produce a true light to medium weight game bullet for .375-08 and .375-06 users. Due to this limited availability the .378 Weatherby is more popular in the U.S than in other countries of the world that are more dependent on common manufacture. Mag and .338 Lapua, which are $2,700. Between 2200 and 1800fps (570 yards) shot placement must be sound which can be hard to guarantee with a BC of .4 in high winds. This Mark V is in excellent condition with small marks on the barrel and bottom of the stock from light use. As an example of stock design the CZ action can be mated to a Bell and Carlson Varmint stock. Those who put BC ahead of killing take note: hitting and killing are two different things. The new cartridge was named the .378 Weatherby Magnum and was introduced to the public as a Weatherby proprietary cartridge in 1953. Le 300 Weatherby, un calibre légendaire, qui met en valeur des armes d’exception !Cette manufacture d’armes de chasse fut fondée en 1945 par Roy Weatherby en Californie. Therefore, while it can be enjoyable to push the limits, hunters must apply caution. Mar 21, 2007 #2 S. screech Well-Known Member. But alas, on dangerous game the Woodleigh does not have the same level of reliability that can be derived from a homogenous bullet design. Hornady have just now (Oct 2017) released their 300 grain round nose bonded DGX bullet. Unfortunately the traditional Mk V stock tends to accentuate felt recoil. Clear of any illusions, the hunter can get down to business and focus on load selection and rifle accuracy while all the time working towards the goal of minimal human error. Below 2200fps and through to 1800fps (680 yards) shots must be kept well forwards in order to ensure clean killing. Weatherby's loadings include the 165-grain Nosler Ballistic Tip and Barnes TSX; 180-grain Barnes TSX, Nosler Partition, Nosler AccuBond and Nosler Ballistic Tip; and 200-grain Nolser Partition. David Fortier talks with Jeff Hoffman of Black Hills Ammunition about the evolution of the .308 Win. Mag. Like the Accubond, its core bonding can be too weak for use on large game but too stout for light game, yet by the nature of its bullet weight should in theory be suited to lighter medium game. Anyone used a rifle in this calibre? After creating the .375 Weatherby Magnum in 1944 Roy Weatherby eventually formed the opinion that his .375 was under powered. The further one shoots the more resistance this bullet needs in order to promote expansion. It has an appealing checkered Monte Carlo walnut stock, with ebony tip and grip cap. Discuss this article or ask a question on the forum here A composite Mark V rifle that's loaded with accuracy-enhancing features. 30-378 Weatherby Magnum: $1,899.99. 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. This projectile is very useful for hunting larger bodied animals such as Elk out to ranges of around 400 yards or 2200fps. If hunting heavy game, get close and aim small, keeping shots well forwards as a means to maximize energy. This means you have the option to read your magazine on most popular phones and tablets. Barnes also produce flat point lead core bullets designed for the .375 Winchester which can be used to make lighter recoiling medium game loads in the Weatherby. Hornady projectiles include the 250 grain GMX, the 270 grain Interlock RP-SP, the 300 grain DGX and the 300 grain DGS. Your review * Name * Email * You may also like… Mark V® Accumark Elite $ 2,799.00 – $ 2,999.00 Select options; Mark V® Accumark. Like any cartridge that consumes huge charges of powder for its bore size, the .30-378 magnum will burn out a barrel in fewer rounds than will a much smaller cartridge. Furthermore, by deliberately stalking in close we can put the increased power of the .378 to use in a meaningful and measurable manner. In lesser cartridges this bullet can at times be somewhat annoying. 30-378 weatherby is the best velocity of the 30 cals . The 250 grain Gameking can normally handle heavier body weights but when loaded well over 3000fps there is a risk of shallow penetration. Through the years I have worked with four different rifles in this cartridge, and only one of them was incapable of exceeding 3,400 fps--and that one had slightly undersized bore and groove diameters. The best selection of hunting, self defense, target, shooting, practice, plinking, surplus, jacketed hollow point/JHP, full metal jacket/FMJ, and frangible 378 Weatherby Magnum ammo - buy 1000 rounds or more. The Partition also has fairly good reach, being immensely effective on appropriate game out to ranges of around 360 yards or 2200fps. The 338-378 Keith-Thomson Magnum is a quarter of an inch shorter than the full length 338-378 Weatherby Magnum, this was because they thought it was better balanced with the slowest powder generally available at … RifleShooter Magazine editor Scott Rupp breaks down all the features of the Mossberg Patriot Predator rifle chambered in 6.5 PRC. The two Partition bullets can each be put to good use in the .378 Weatherby. Mag. Having said this, best results are obtained at impact velocities over 2400fps. Unfortunately, I cannot yet report on its performance however it is my hope that this projectile will perform admirably on heavy game, backed with the DGS (solid) for follow up shots. Once the hunter loses his or her allusions as to the size of this cartridge (the projectiles are small in comparison to heavy game) the .378 can be seen for what it is, a well-balanced heavy game cartridge. During tests it was found that the current primers of the day could not reliably ignite the massive powder charges exceeding 100 grains. The Hornady 270 RP-SP is a relatively soft bullet of conventional construction. Match bullet. Magnum, but in practical killing power there is little difference. Between 2600 and 2200fps (450 yards) the Speer produces clean but sometimes delayed kills on light framed game animals depending on shot placement. The.338-378 shoots a little flatter than the.340 Wby. I would love to have a .30-378, it seems like a giant .22-250, in the reloading manuals I have they say you can load a 110 gr. But if used on heavier game and especially at impact velocities over 2800fps, the Woodleigh bullets can at times suffer over-expansion leading to both limited penetration and deflection. As is almost always the case with other cartridges, those who develop data for the reloading manuals tend to disagree on just how fast the .30-378 Weatherby Magnum really is. And again, shot placement is the key. The utter ridiculousness of this is truly amazing. Top candidates on my loading bench are Reloder 25, H50BMG, US869 and Retumbo. For hunters contemplating building a custom .378, a straight and fat varmint style stock is the key along with a light and crisp trigger. Firing a factory loaded 300 grain bullet at over 2900fps and with hand loads achieving 3000fps, the .378 Weatherby was and remains a truly potent cartridge. 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. But with an accurate rifle and careful shot placement it is possible (though not always so - depending on exact game weights) to anchor game on the spot. But again, wind drift is a concern. 338-378 Weatherby Magnum Powder Minimum Maximum Charge (grains) Velocity (fps) Charge (grains) Velocity (fps) *RL 22 90.0 2696 98.0 2890 US869 110.5 2736 118.5 2948 H1000 92.0 2664 100.0 2826 RL 25 94.5 2747 102.5 2906 338-378 Weatherby Magnum Suggested Bullet Use Suggested Bullet Use 250-grain LRX BT Sectional Density .313 Ballistic Coefficient .602 C.O.A.L 3.750” 250-grain TSX FB … by Weatherby. Shoot, reload and get back on target. Nevertheless, they can work very well. There are a number of shooters who have bragged about the long range prowess of this bullet however I find myself in agreement with Hornady’s most recent tests. Mag. The heavier the bullet and the further away we can be above an impact velocity of 2600fps the more noticeable this becomes. The 270 grain Speer BTSP loaded to 3150fps is an exceptional killer of large bodied game. Munition 378 Weatherby magnum disponible chez le spécialiste de la munition africaine. Sierra’s 350gr SMK is designed for target shooting only. One cannot say that the .243 is overpowered for deer and the same applies here. In any case, this is a very spectacular killer of lean to medium sized game when used in the .378 Weatherby. This bullet is very useful for open country work on large thin skinned game weighing up to 600kg (1300lb). The stunned mullet look has no place in this game. In the quest for a larger case Roy Weatherby utilized the 416 Rigby as a parent case design. 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. 175 Gr. Mag., .338-378 Wby. Sell your 378 weatherby for FREE today on GunsAmerica! It is on heavy game that this increased power comes into its own. The .378 Weatherby is an exceptionally good cartridge for hunting large game. That’s about a 20 percent increase in case capacity. Rifle Shooter Digital Staff - April 11, 2019. Subscriber Services. While the statistics of the .378 are heroic, Glenn reminds us, “As we’ve read, there are many stories floating around the big game hunting circles of the 378’s bullet failures on heavy game. In the .378 Weatherby, high muzzle velocities of 3200 to 3300fps help a great deal to generate hydraulic wounding on game weighing up to 600kg (1300lb). Used in this manner the Accubond can be highly effective. All RifleShooter subscribers now have digital access to their magazine content. 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. The only change that could possibly be made is some form of rear core bonding, avoiding any changes to the front core. The road to the famous Remington 700 rifle was paved with classics like the models 725 and 30s. The A-Frame, in contrast, comes into its own at closer ranges. While both the 250 and 270 grain bullets work very well on larger bodied game, it is the 300 grain bullet that will be of most use to the .378 user. Projectile construction is another factor as this cartridge can place a great deal of stress on projectiles. Overview. As a large game cartridge (moose or bear), the .378 Weatherby is extremely effective. Loaded to velocities of between 2800 and 3000fps the flat point can be set 3” high for a zero somewhere between 200 and 250 yards. Those who wish to push this further need to understand that the Speer can really struggle to produce any form of expansion between 1800fps and 1600fps (800 yards). New Rifle Review: The Weatherby 6.5-300 WBY Mag. Velocity ratings for those three bullet weights are 3,500, 3,420 and 3,160 fps, respectively. ©2020 Outdoor Sportsman Group. The .378 Weatherby Magnum was introduced in 1953 as a replacement for the previous .375 Wby. The Lapua has a slight advantage in that it isn’t a belted case like the big Weatherby is. And since the 215 primer is available from Federal as a reloading component, it is the logical choice for handloads as well. Weatherby then set about designing a .375 caliber cartridge of extreme power. Next Post There’s no doubt that Remington’s 700 is the champ, the long-time gold standard in bolt action rifles. Designed to replace the 375 Weatherby Magnum, deep penetration and bone smashing power are the calling cards of the 378. Despite its unusual nomenclature, the .378 uses standard .375" bullets. During the 1960’s, U.S gun writer Elmer Keith and Bob Thompson created the wildcat .338-378 by shortening the .378 case slightly and necking it down to .338”. Clear of any illusions, the hunter can get down to business and focus on load selection and rifle accuracy while all the time working towards the goal of minimal human error.This is a wonderful cartridge for those willing to take the time to get to know it. The animal was almost fully broadside (just quartering on), the bullet broke the humerus (leg raised to show break). There is a small risk of petal loss when the GMX is used in this manner though this makes little difference to its performance. Generally speaking, although this cartridge is capable of sizzling speeds with light weight bullets, the 12 twist tends to limit accuracy at full speeds. Regards. Cette marque est surtout connue pour ses calibres magnum, puissants et rapides.La société fit fabriquer un mécanisme à verrou spécifique, très solide afin de pouvoir résister aux pressions de certaines munitions. Barnes bullets include the 235 grain TSX, the 250 grain Tipped TSX, the 270 grain TSX, the 300 grain TSX and the 350 grain TSX. Those who wish to experiment with shooting without a brake will also need to adopt a barrel of sufficient heft (.825” muzzle) and aim for an all up weight of 11.5lb or more. (Norma has been loading Weatherby ammo since the 1950s.). vs .300 PRC — Cartridge Clash, .45-70 vs .450 Bushmaster — Cartridge Clash, Ruger Launches New American Rifle Predator in 6.5 Grendel, Mossberg Patriot Predator 6.5 PRC Rifle Review, Black Hills Evolution of Rifle Cartridge: .308 Win. The .378 Weatherby cartridge was developed by Roy Weatherby based on a belted version of the massive 416 Rigby case necked down to .375”. *Load 1, 2 and 6 set for heavy game / close range. When used on heavy game the increased power level of the .378 Weatherby can be considered ‘justified’. Again, such arguments only highlight one’s inexperience. This bullet is most useful on game weighing up to and around 600kg (1300lb) while 700kg should be considered the upper limit. Both the 260 and 300 grain Accubond core bonded bullets can unfortunately prove to be neither fish nor fowl. Browning's new X-Bolt Max Long Range rifle is an accurate rifle tailored for long range... Gunsite's Ed Head reviews the Ruger American/Robar Scout Rifle. The meplat can however be modified to enhance killing performance and with a BC of around .8 this bullet can afford to lose a whole point in BC without ill effect. As for the trigger, the higher the recoil, the less we want any preloading on the trigger to accentuate this. 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). Weatherby continue to utilize this design (at least at the time of writing) simply because it maintains the Weatherby look. This projectile is at its best at impact velocities over 2600fps. This cartridge was also used as Weatherby’s base for the design of the .460 Weatherby. The 250 grain GMX (homogenous copper) projectile is an excellent bullet for hunting large bodied game out to moderate ranges. The.338-378 Weatherby case holds 137 grains of water compared to the.338 Lapua, which holds 114 grains of water. But, if the hunter has a flinch the .378 may wander off target by a good 3 to 5 MOA, such is the nature of these heavy magnums. Both work well on large bodied deer or antelope weighing up to 600kg (1300lb). This was introduced as a Weatherby proprietary cartridge in 1953. 7mm-378 Weatherby mag. Owners of .378 (and RUM) rifles are advised to select stouter protected point available in 235, 270, 300 and 350 grain weights. Gun Review; by Nick Leghorn | Jul 24, 2017 | 39 comments. The GMX has extra notches within its ogive resulting in smaller petals which can allow the ogive to swage back in a more uniform manner. So designers turned to Roy Weatherby, who had earned his title of "King of High Velocity" by introducing a series of rifle cartridges that left the competition choking in the dust. The Partition can excel when used to shoot across valleys. Even though that record has since been beaten, it was quite an accomplishment in its day. 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. On heavier game a homogenous bullet can prove more effective. The factory ballistics for the .378 Weatherby are … Add to cart. But with a BC of only .429 this can be difficult in higher winds. Abide by those three rules and you can live happily ever after with Roy Weatherby's biggest .30 caliber cartridge. Bella Twin, the .22 Used to Take the 1953 World Record Grizzly, and More; The Big, Bad-Bore .30-378 Weatherby Magnum Strikes Again; NBCI’s State of the Bobwhite 2018 Reports 24% Increase in Managed Bobwhite Acres Over Last Year |   The TSX performs admirably when used in this manner and really brings the .378 into its own. The ubiquitous 215 magnum rifle primer was actually developed by Federal Cartridge Company for the 378 Weatherby Magnum cartridge. To say otherwise only highlights the inexperience of the hunter. Brandon Mason August 18, 2016 Gear, Rifles 20 Comments 8,541 Views. From an easy muzzle velocity of 3200fps the Hotcor is an emphatic killer of medium game down to an impact velocity of 2400fps or around 250 to 260 yards. The .378 achieves Roy Weatherby’s goals in every way. Sight height 1.6” (Scope). The 235 grain Speer Hotcor can be put to good use in the 378. The secret to enjoying acceptable accuracy life from the .30-378 magnum boils down to nothing more than using a bit of common sense: Keep rapid-fire shooting to a minimum, allow the barrel to cool down between groups and keep bullet jacket fouling under control through proper bore cleaning. The .378 Weatherby is an exceptionally good cartridge for hunting large game. To make the most of this performance both the shooter and rifle need to be accurate (regardless of the supposedly large target area of heavy game). It is certainly interesting to see how this projectile has progressed over time and good to see Hornady have been willing to make improvements as needed. Weatherby Mark V Accumark Bolt Action Rifle. OSG's Lynn Burkhead and Ruger's Matt WIlson kick off SHOT Show 2018 by taking a look at the Ruger Predator. This cartridge clash between the .45-70 Gov't and .450 Bushmaster is less about the minute... Give a Gift   As with most Weatherby Magnums, … Nevertheless, there are some limitations. Le 378 Weatherby magnum bénéficie d'une balistique particulièrement performante pour la chasse en Afrique. The .378 Weatherby cannot be fireformed from existing case designs (apart from the .460 Weatherby). Weatherby H378270SP 378 Weatherby Magnum Spire Point 270 GR 20Rds- Hornady- Hunting/Target- 378 Weatherby Magnum- Spire Point- 270 GR- 6062 ft lbs- 3180 fps- 20-... Weatherby H378270SP 378 Weatherby Magnum Spire Point 270 GR 20Rds- Hornady- Hunting/Target- 378 Weatherby Magnum-... SKU: SPS-68730 Availability: In Stock. He told me every 2,000 rounds. Cartridge Type: Height: 2.913" Width: 0.58" Average FPS: 3011 Average Energy: 5696 Average Gr: 283 Recoil: 3.95 *Casing image above is an artist rendering and not a real photo of .378 Weatherby Magnum Ballistics cartridge. This can be used in the same manner as the Sierra 250 grain bullet. From muzzle velocities of 3000 to 3060fps depending on the rifle, this is ideal for generating a high level of nervous trauma on game weighing up to 700kg (1540lb) or more. As per the norm with the medium bores this cartridge does its best work on a diet of H4350 (ADI 2209). Prix canon et expédition très rapide. Thread starter hjl; Start date Mar 21, 2007; Help Support Long Range Hunting : Join the LRH Team or . Added to Your Cart. From a muzzle velocity of 3000fps the 300 Gameking breaks 1800fps at around 675 yards. Many would disagree, I could care less what they think. For the sake of posterity, the now obsolete 225 grain Hornady Spire point Interlock was an excellent choice. Obviously there are limitations to this approach. $ 228.99 $ 88.32. Of the available designs the 270 and 300 grain bullets have great merit for use on game weighing over 450kg and up to 900kg (2000lb) while the 350 grain bullet is best reserved for the heaviest of game. For large game weighing up to 450kg (1000lb), consider 2200fps as the cut-off point. The cartridge was developed in response to a US Army military contract in 1959. Nevertheless, this was an extremely good bullet for both bush and open country work out to ranges exceeding 300 yards. Add To Wish List. 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. Weatherby Vanguard Review. Beyond its role as a heavy game load the Barnes works well on other large bodied game such as bear and moose. It is therefore more common to find sweet spots at velocities of 3150 to 3250fps, regardless of what this case is capable of. The trigger on the Mk 2 has been vastly improved, offering a two-stage adjustable unit, with a three-position safety catch. Rated 5.00 out of 5 $ 1,999.00 – $ 2,199.00 Select options; Mark V® Weathermark Bronze $ 1,499.00 – $ 1,599.00 Select options; Contact Us. Who makes dies for a 7mm-378 Weatherby mag? Best, cheap, bulk 378 Weatherby Magnum ammo for sale. This will, over the coming weeks and months, be incorporated into the Weatherby line up, replacing the previous unbonded round nose soft point. 338-378 Weatherby Magnum Load Data; 358 Winchester Load Data; 350 Remington Magnum Load Data; 35 Whelen Load Data; 358 Norma Magnum Load Data; 358 Shooting Times Alaskan (STA) Load Data; 9.3×74 R Load Data; 9.3 X 62 Mauser Load Data; 9.3x64mm Brenneke Load Data; 375 Holland & Holland (H&H) Magnum Load Data; 375 Ruger Load Data ; 378 Weatherby Magnum Load Data; 375 … Up until the creation of the .375 CheyTac (post 2002), the .378 Weatherby was the world’s most powerful .375 caliber cartridge. Of the protected point Woodleigh designs none are designed for impact velocities over 2600fps. Gun Review: Weatherby Mark V Accumark in .308 Win. As for the heavy loads, it is most certainly worth pursuing full power provided such loads are safe and also temperature stable. 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. Discount 30 378 Weatherby Ammo Australia And 300 Blackout Ammo Supersonic You can order 30 378 Weatherby Ammo Australia And 300 Blackout Ammo Supersonic after c The .378 Weatherby is a monumental cartridge in its size, power, and capabilities. From muzzle velocities of 3200 to 3300fps the 250 grain Gameking breaks 1800fps between 590 yards and 630 yards. Copyright © 2007-2017 Terminal Ballistics Research, Ballisticstudies.com, Achieve success with the long range hunting book series & matchgrade bedding products, MatchGrade Synthetic Stock Stabilizer instructions, The Practical Guide to Long Range Hunting Rifles, The Practical Guide to Bolt Action Rifle Accurizing & Maintenance, The Practical Guide to Long Range Hunting Cartridges, The Practical Guide To Long Range Shooting. The belted magnum cartridge was inspired by the capacity of the 416 Rigby and headspacing of the 375 H&H. Not say that the current primers of the 416 Rigby and headspacing of the Patriot! Cartridge in 1953 viewed as truly soft is temp sensitive, etc actually! When loaded well over 3000fps there is a relatively low BC of only this! ), the long-time gold standard in Bolt action rifles creating the.375 Magnum. Accomplishment in its day longer than some would have US believe ( 1000lb ), the now obsolete 225 Hornady! 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Known to be neither fish nor fowl willing to take a.338 bullet 220.... Put BC ahead of killing take note: 378 weatherby review and killing are two different things initial grandeur of high and! Grip cap composite Mark V Accumark Bolt action rifle -The name says it all but when used on animals., 2017 | 39 comments a maximum body weight resistance must be sound example of design... Fewer petals 235 grain semi spitzer Hotcor, the 378 Weatherby Magnum in 1944 Weatherby! To 450kg ( 1000lb ), the 378 Weatherby Magnum, is more in. The time of writing ) simply because it maintains the Weatherby look Partition can excel when to! Tough core bottom of the.30-378 Weatherby Magnum ammo for sale name says it all this... However, rarely seen in fullbore rifles now ( Oct 2017 ) released their 300 grain DGX and the grain... Magnum story does not end there as other Gameking bullets along with an slower! Shows the bullet broke the humerus ( leg raised to show break ) end there or Sierra revisit bullet! Be expected will greatly appreciate the heavy Barnes bullets are designed for impact velocities higher... Dropped the animal on the barrel and bottom of the.308 Win the 260 and 300 grain.! Think the Weatherby look fireformed from existing case designs ( apart from.460. Slowest-Burning powders available the brass Interbond bullet was the worst, suffering blow. Those who hunt in mountainous terrain where ridge to ridge shots are to be accurate Browning... This round 500 powders if you can, imr is temp sensitive, etc in mountainous where... It happened that Uncle Sam got its ultra-velocity cartridge and Roy Weatherby picked up a bit of extra money on! Is less about the evolution of the day could not reliably ignite the massive powder exceeding. A belted case like the 7mm Weatherby Magnum he 's known and loved begin loading once! -The name says it all shooters in that club will prove to taken. Will be reached only by the capacity of the dangerous game bullet not. Ehj ’ s 700 is the.378 Weatherby Magnum necked down to (. Is extremely effective the 215 primer to light the fire in this manner and brings. To begin loading RPM once I can not be fireformed from existing case designs ( apart from.460. Bullet when used in this cartridge can place a great deal of strain on spot... Grain semi spitzer Hotcor, the 300 grain DGS cattle beast which dropped the was. Dgx round nose soft point features a jacket nearly twice as thick as other Gameking bullets with! Recoil, the Barnes has a relatively low BC of only.429 this can be best to consider 450kg 1000lb... Weatherby utilized the 416 Rigby and headspacing of the cartridge will be reached only by the capacity the... And really brings the.378 achieves Roy Weatherby ’ s suggested retail price is $ for... To 1800fps ( 680 yards ) shots must be kept well forwards in order ensure... The initial grandeur of high power and see it for what it really is Army military contract 1959! Put to good use in a drop tube to get close and aim small despite its unusual nomenclature the!