The cartridge can hold upwards of 7.13 g (120 gr) of powder.The 378 Weatherby Magnum cartridge also … facebook; twitter; linkedin; email ◀Previous Post. Sell your 378 weatherby for FREE today on GunsAmerica! Many would disagree, I could care less what they think. From a 26” barrel comfortable velocities include 3350fps with 225-235 grain bullets, 3300fps with 250 grain bullets, 3250fps with 260 grain bullets, 3150 to 3200fps using 270 grain bullets, 3000 to 3050fps with 300 grain bullets and 2700 to 2800fps with the very long 350 grain Woodleigh projectiles These velocities are roughly 50 to 100fps faster than the .375 RUM with individual bore tolerances muddying the waters. The utter ridiculousness of this is truly amazing. Video! But to utilize it the hunter must get past the initial grandeur of high power and see it for what it really is. The current Mk V Weatherby rifle chambered in .378 does however come fitted with a much needed muzzle brake. The stunned mullet look has no place in this game. Owners of .378 (and RUM) rifles are advised to select stouter protected point available in 235, 270, 300 and 350 grain weights. It could be that other magnum primers such as the Remington 91„2M, CCI 250 and Winchester WLRM would work equally well, but the Federal 215 does such a good job in its role I have never gotten around to trying anything else in the big Weatherby cartridges. Hopefully this will prove to be a very reliable projectile and especially well suited to the .378 Weatherby. Simple burn rate chart and lean to vv 500 powders if you can , imr is temp sensitive , etc . Abide by those three rules and you can live happily ever after with Roy Weatherby's biggest .30 caliber cartridge. 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 One thing is certain: The maximum velocity potential of the cartridge will be reached only by the use of the slowest-burning powders available. For the sake of marketing a belt was added to the .416 Rigby case which, combined with the double radius shoulder, gave it a true ‘Weatherby Magnum’ appearance. For my own part, I am glad the two brands are not identical as each offer unique performance. It is therefore more common to find sweet spots at velocities of 3150 to 3250fps, regardless of what this case is capable of. (Norma has been loading Weatherby ammo since the 1950s.). 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. Sometime later, the availability of an extremely dense propellant with an even slower burn rate increased velocity to just beyond 6,000 fps. This bullet is most useful on game weighing up to and around 600kg (1300lb) while 700kg should be considered the upper limit. Used in this manner the Accubond can be highly effective. 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. 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. The.338-378 shoots a little flatter than the.340 Wby. The .378 Weatherby cartridge was developed by Roy Weatherby based on a belted version of the massive 416 Rigby case necked down to .375”. While experimenting with armor plating made of various materials during the 1960s, the U.S. government needed to determine its resistance to damage by high-speed projectiles. This is, however, rarely seen in fullbore rifles. As I have described many times now, the key is to get close (inside 100 yards) and aim small. Match bullet. 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. To get started, click the link below to visit mymagnow.com and learn how to access your digital magazine. Neither should be used on dangerous animals weighing over 450kg (1000lb) at close ranges. This product is no longer available. Next Post There’s no doubt that Remington’s 700 is the champ, the long-time gold standard in bolt action rifles. One of them was Earl Chronister, who held the world record for the smallest 10-shot group fired in 1,000-yard competition. Weatherby continue to utilize this design (at least at the time of writing) simply because it maintains the Weatherby look. 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. Mag. Overview. Joined Oct 20, 2005 Messages 91 Location Qld, Australia. 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). Between 2400 and 2200fps (330 yards) wounds are wide but we may see a slight delay in killing. The heavy Barnes bullets are designed for large, tough game. Those who hunt in mountainous terrain where ridge to ridge shots are to be expected will greatly appreciate the heavy Sierra bullet. 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 … From muzzle velocities of 3200 to 3300fps the 250 grain Gameking breaks 1800fps between 590 yards and 630 yards. Its all case capacity period to get velocity then bbl legth. $ 228.99 $ 88.32. Both factory and hand loads deliver 200fps higher velocity than the .375 Weatherby, 300fps greater velocity than hand loads for the .375 H&H and 400fps higher velocity than factory .375 H&H ammunition. It can therefore be wise to dual load, utilizing a premium bullet for close range work where raking shots may have to be taken on dangerous animals, utilizing the Sierra for open country work. The Swift A-Frame is very similar to the Partition but instead features core bonding. That means it is a whopping big cartridge case. Add To Wish List. 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. One cannot say that the .243 is overpowered for deer and the same applies here. His first nine 250-grain Sierra MatchKing bullets fired from a rifle in .30-378 magnum snuggled into a group measuring 3.125 inches, and even though a sudden shift in wind caught him off guard on the 10th squeeze of the trigger, the group still measured an incredible 4.375 inches. 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. Gun Review; by Nick Leghorn | Jul 24, 2017 | 39 comments. While we have went to great lengths to make sure that it's as accurate as possible this rendering should not be used to generate specs for casings. This means you have the option to read your magazine on most popular phones and tablets. But in the bullet melting Weatherby the 235 grain Speer can be viewed as truly soft. The ubiquitous 215 magnum rifle primer was actually developed by Federal Cartridge Company for the 378 Weatherby Magnum cartridge. RifleShooter Magazine editor Scott Rupp breaks down all the features of the Mossberg Patriot Predator rifle chambered in 6.5 PRC. The 250 grain Gameking features a jacket nearly twice as thick as other Gameking bullets along with an extra tough core. Tom Beckstrand and Neal Emery of Hornady highlight the 6MM Creedmoor ammo. $1,479.99 - $2,159.99 . Although the Weatherby company have released their cartridges from proprietary status it is rare to find another maker of .378 brass purely because of its unique case dimensions. 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. Prix canon et expédition très rapide. A composite Mark V rifle that's loaded with accuracy-enhancing features. Buy a 378 weatherby online. There is a small risk of petal loss when the GMX is used in this manner though this makes little difference to its performance. But alas, on dangerous game the Woodleigh does not have the same level of reliability that can be derived from a homogenous bullet design. Mag and .338 Lapua, which are $2,700. For large game weighing up to 450kg (1000lb), consider 2200fps as the cut-off point. 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). Shoot, reload and get back on target. And yet, for the discerning sportsman searching for a rifle that is built as well as or better than many custom guns and shoots lights out, it’s a product that offers great value. 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). Discuss this article or ask a question on the forum here Overnight it became the best-selling cartridge in that rifle, a position it held onto until 2008 when it was nudged into a close second place by the .257 Weatherby Magnum. Both the 260 and 300 grain Accubond core bonded bullets can unfortunately prove to be neither fish nor fowl. 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). Thread starter hjl; Start date Mar 21, 2007; Help Support Long Range Hunting : Join the LRH Team or . Having said this, long range shooters are advised to look to the Rocky Mountain ULD bullet for dedicated long range killing. 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. Beyond its role as a heavy game load the Barnes works well on other large bodied game such as bear and moose. When used on heavy game the increased power level of the .378 Weatherby can be considered ‘justified’. This cartridge was also used as Weatherby’s base for the design of the .460 Weatherby. 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. 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. In EHJ’s 2016 June/July issue Dan Turvey, Jr. and I debated the merits of .30 cal vs. sub .30 cal rifles. Weatherby Mark V Accumark Bolt Action Rifle. 30-378 Weatherby Magnum: $1,899.99. Obviously there are limitations to this approach. 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 Suggested sight settings and bullet paths. The 235 grain Speer Hotcor can be put to good use in the 378. The .378 Weatherby cannot be fireformed from existing case designs (apart from the .460 Weatherby). Treat this with absolute caution. Having said this, best results are obtained at impact velocities over 2400fps. Munition 378 Weatherby magnum disponible chez le spécialiste de la munition africaine. 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 (910 m) benchrest shooting. From muzzle velocities of around 2900fps the two loads will hopefully work very well together. 175 Gr. But again, wind drift is a concern. Much to the surprise of everyone (including me), sales of the Mark V rifle in .30-378 magnum far exceeded the projections of Weatherby and his staff. Gear Review of The Club XXL Ground Blind by Primos; A Skunk Is A Down Low Odiferous *Weasel (But That’s O.K.) 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. Of the protected point Woodleigh designs none are designed for impact velocities over 2600fps. Up until the creation of the .375 CheyTac (post 2002), the .378 Weatherby was the world’s most powerful .375 caliber cartridge. The next important chapter in the life of the .30-378 magnum came later. Generally speaking, although this cartridge is capable of sizzling speeds with light weight bullets, the 12 twist tends to limit accuracy at full speeds. During tests it was found that the current primers of the day could not reliably ignite the massive powder charges exceeding 100 grains. 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. 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. And so it happened that Uncle Sam got its ultra-velocity cartridge and Roy Weatherby picked up a bit of extra money. It was an original belted magnum design with no parent case, inspired by the .416 Rigby and headspacing of the belted .375 H&H Magnum. 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. 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). Despite its unusual nomenclature, the .378 uses standard .375" bullets. Following modifications and provided the mods are truly successful and that game animals are of a large size as to offer suitable resistance this bullet has some merit for extended range hunting. Therefore, while it can be enjoyable to push the limits, hunters must apply caution. I would imagine so, I think the Weatherby calibers are known to be accurate. 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. The spirited discussion lead to an understanding that both trains of thought have validity and many rounds and calibers can do the job on western big game. That 9.5% more capacity does translate into faster speeds. is not only a classic round. 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”. Added to Your Cart. As an example of stock design the CZ action can be mated to a Bell and Carlson Varmint stock. To say otherwise only highlights the inexperience of the hunter. A quick mention of caution must also go to the one load produced by Nosler featuring their 260 grain Accubond bullet at an advertised 3100fps. But again, I like to push the envelope a bit. 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. Hornady projectiles include the 250 grain GMX, the 270 grain Interlock RP-SP, the 300 grain DGX and the 300 grain DGS. Chambered in .378 Weatherby magnum, this model fires a high-powered round that is designed for large African game, including crocodile, hippo, lion, and rhino, to name a few. 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 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 … Weatherby Mark V Accumark Bolt Action Rifle -The name says it all. Those who panic and pull the trigger under threat will do so whether the trigger is 4lb or 2lb. Again, such arguments only highlight one’s inexperience. These experiments remained wildcats for almost 30 years until, around 1999, the Weatherby company finally introduced the.338-378 Weatherby Magnum as a commercial cartridge. 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. The TSX performs admirably when used in this manner and really brings the .378 into its own. Body weight resistance must be high and shot placement must be sound. Its massive case holds so much powder that Federal designed its super-hot 215 primer to handle the load. The animal was almost fully broadside (just quartering on), the bullet broke the humerus (leg raised to show break). 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. 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. While this load is acceptable for hunting large bodied deer readers are advised to refrain from using this projectile on heavy game. 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 factory ballistics for the .378 Weatherby are … But instead we have a bullet that is neither here nor there. The 215 magnum rifle primer was developed by Federal specifically for this round. As a diehard 6.5mm nut I’m excited to begin loading RPM once I can get my hands on brass. More information on this subject can be found in The Practical Guide To Long Range Hunting Cartridges. Shot placement, individual animal sizes and actual impact velocities each have to be taken into consideration. Having said this, the .378 does place a great deal of strain on the Partitions. 4350 fps from a 150gr bullet . The heavier the bullet and the further away we can be above an impact velocity of 2600fps the more noticeable this becomes. David Fortier talks with Jeff Hoffman of Black Hills Ammunition about the evolution of the .308 Win. The 250 grain Gameking can normally handle heavier body weights but when loaded well over 3000fps there is a risk of shallow penetration. The .338-378 Weatherby Magnum started out as the wildcat cartridge, .338-378 Keith-Thomson Magnum during the early 1960s.Keith and Thomson are Elmer Keith and R.W. Wby Ammo .378 Weatherby … Both work well on large bodied deer or antelope weighing up to 600kg (1300lb). 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. Rifle Shooter Digital Staff - April 11, 2019. The belted magnum cartridge was inspired by the capacity of the 416 Rigby and headspacing of the 375 H&H. The work put into practice before the hunt can pay huge dividends. Your review * Name * Email * You may also like… Mark V® Accumark Elite $ 2,799.00 – $ 2,999.00 Select options; Mark V® Accumark. 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. Due to the fact that Hornady have only just released the bonded DGX, I cannot yet comment on its performance. Back in 1996 I spoke with Chronister about his accomplishments in 1,000-yard competition and asked him how often he replaced the barrel on his rifle. This can be used in the same manner as the Sierra 250 grain bullet. The Hornady 270 RP-SP is a relatively soft bullet of conventional construction. 7mm-378 Weatherby mag. The .222 Rem. 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. hjl . 378 weatherby for sale and auction. He told me every 2,000 rounds. As a long range bullet for large bodied deer and antelope the Speer is simply outstanding down to 1800fps. 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. The .378 achieves Roy Weatherby’s goals in every way. Le 378 Weatherby magnum bénéficie d'une balistique particulièrement performante pour la chasse en Afrique. The bonding is too weak for heavy game work yet too soft for extended range work. This was introduced as a Weatherby proprietary cartridge in 1953. 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. The further one shoots the more resistance this bullet needs in order to promote expansion. 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. Between 2600 and 2200fps (450 yards) the Speer produces clean but sometimes delayed kills on light framed game animals depending on shot placement. The .378 is based on a huge case with a capacity in excess of 100 grains of powder that has Weatherby's signature double radius shoulder and a standard magnum belt. In the quest for a larger case Roy Weatherby utilized the 416 Rigby as a parent case design. For my own part, I would suggest that a very stout 250 grain bullet can produce hydrostatic shock on game weighing up to 600kg or 1300lb, but on heavier game a 270 to 300 grain homogenous bullet can prove more effective. It also spawned an entire family of cartridges. 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. While developing his .378 magnum back in the 1950s, Roy Weatherby was experiencing ignition problems with primers then available, so he went to Federal, which came up with a solution in the form of the 215 primer. Developed as an upgrade to the 375 Weatherby, the 378 Weatherby Magnum is an original design with no parent case. Furthermore, very few hunters have an interest in chasing very high velocities with light pills. |   This is an outstanding bullet when used in the .378 Weatherby for hunting large bodied deer weighing between 150 and 350kg (330-770lb). Weatherby have done well to adopt the 270 grain TSX for the .378 which produces a good balance of wounding versus penetration on heavy game. 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. 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. To use in the.378 Weatherby can be viewed as truly soft is temp sensitive, etc option! The.45-70 Gov't and.450 Bushmaster is less about the minute... give a Gift | Services. Stock, with a 180-grain bullet in excess of 3,400 fps, seen., US869 and Retumbo a steel jacket ( copper plated ) with a safety! 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