If hunting heavy game, get close and aim small, keeping shots well forwards as a means to maximize energy. But to utilize it the hunter must get past the initial grandeur of high power and see it for what it really is. Added to Your Cart. Le 378 Weatherby magnum bénéficie d'une balistique particulièrement performante pour la chasse en Afrique. As with most Weatherby Magnums, … It is therefore more common to find sweet spots at velocities of 3150 to 3250fps, regardless of what this case is capable of. The trick is to not develop overconfidence in these projectile beyond this role. 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. Its all case capacity period to get velocity then bbl legth. OSG's Lynn Burkhead and Ruger's Matt WIlson kick off SHOT Show 2018 by taking a look at the Ruger Predator. The trigger on the Mk 2 has been vastly improved, offering a two-stage adjustable unit, with a three-position safety catch. The next important chapter in the life of the .30-378 magnum came later. 175 Gr. I would imagine so, I think the Weatherby calibers are known to be accurate. But instead we have a bullet that is neither here nor there. The.338-378 Weatherby cartridge uses the.378 Weatherby case, necked down to take a.338 bullet. 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. 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. The .378 Weatherby Magnum was designed by Roy Weatherby in 1953. The.338-378 shoots a little flatter than the.340 Wby. It has an appealing checkered Monte Carlo walnut stock, with ebony tip and grip cap. 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. This projectile is very useful for hunting larger bodied animals such as Elk out to ranges of around 400 yards or 2200fps. Mag and .338 Lapua, which are $2,700. The high velocity .257 Weatherby, .270 Weatherby, .300 Weatherby and .30-378 Weatherby are especially popular among hunters pursuing animals like elk, caribou, mule deer, mountain goat, bighorn sheep, and pronghorn who want a flat-shooting cartridge that's more resistant to wind drift and still hits hard at extended range. The manufacturer’s suggested retail price is $2,400 for all calibers except for the .30-378 Wby. Designed to replace the 375 Weatherby Magnum, deep penetration and bone smashing power are the calling cards of the 378. The factory ballistics for the .378 Weatherby are … Of the protected point Woodleigh designs none are designed for impact velocities over 2600fps. This means you have the option to read your magazine on most popular phones and tablets. The ubiquitous 215 magnum rifle primer was actually developed by Federal Cartridge Company for the 378 Weatherby Magnum cartridge. The road to the famous Remington 700 rifle was paved with classics like the models 725 and 30s. The work put into practice before the hunt can pay huge dividends. On heavier game a homogenous bullet can prove more effective. Soon after receiving a contract from the government, Roy simply necked down his .378 magnum case to .30 caliber, seated special 30-grain bullets made by Vernon Speer atop heavy charges of the slowest-burning powder available and exceeded a muzzle velocity of 5,000 fps. 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. Add To Wish List. Add to cart. |   However, that extra velocity comes and the associated … The 235 grain Speer Hotcor can be put to good use in the 378. Unfortunately the Accubond suffers over expansion when used at close ranges, leading to very shallow penetration. It went on to become standard in Weatherby ammunition, not only in the .378 Weatherby Magnum, but later in his .460, .416 and .30-378 magnums as well. It became quite popular among a number of shooters in that club. The 250 grain Gameking can normally handle heavier body weights but when loaded well over 3000fps there is a risk of shallow penetration. The current Mk V Weatherby rifle chambered in .378 does however come fitted with a much needed muzzle brake. Mag. Again, such arguments only highlight one’s inexperience. The 270 grain Speer BTSP loaded to 3150fps is an exceptional killer of large bodied game. 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. 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. As for the trigger, the higher the recoil, the less we want any preloading on the trigger to accentuate this. facebook; twitter; linkedin; email ◀Previous Post. The Partition also has fairly good reach, being immensely effective on appropriate game out to ranges of around 360 yards or 2200fps. 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. Generally speaking, although this cartridge is capable of sizzling speeds with light weight bullets, the 12 twist tends to limit accuracy at full speeds. Additional chamberings include many of Weatherby’s own proprietary magnum cartridges like the 7mm Weatherby Magnum and 30-378 Weatherby Magnum. But again, wind drift is a concern. Munition 378 Weatherby magnum disponible chez le spécialiste de la munition africaine. This can be used in the same manner as the Sierra 250 grain bullet. The .378 Weatherby is an exceptionally good cartridge for hunting large game. David Fortier talks with Jeff Hoffman of Black Hills Ammunition about the evolution of the .308 Win. 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. As per the norm with the medium bores this cartridge does its best work on a diet of H4350 (ADI 2209). Wby Ammo .378 Weatherby … And since the 215 primer is available from Federal as a reloading component, it is the logical choice for handloads as well. This cartridge clash between the .45-70 Gov't and .450 Bushmaster is less about the minute... Give a Gift   Mag., .338-378 Wby. Those who put BC ahead of killing take note: hitting and killing are two different things. by Weatherby. And so it happened that Uncle Sam got its ultra-velocity cartridge and Roy Weatherby picked up a bit of extra money. As game weights go above 900kg (or 2000lb) the weight of the animal can overcome the ability of the bullet to produce hydrostatic shock. Hornady projectiles include the 250 grain GMX, the 270 grain Interlock RP-SP, the 300 grain DGX and the 300 grain DGS. 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 is a monumental cartridge in its size, power, and capabilities. This was introduced as a Weatherby proprietary cartridge in 1953. The two Partition bullets can each be put to good use in the .378 Weatherby. If the Gameking is forced to penetrate through more than a foot of tissue and bone combined with high impact velocities it sheds a great deal of energy. The 300 grain Gameking was designed to cope with .378 velocities. Video! Point A shows the bullet impact on this feral cattle beast which dropped the animal on the spot. 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. 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. While this load is acceptable for hunting large bodied deer readers are advised to refrain from using this projectile on heavy game. Speer bullets include the 235 grain semi spitzer Hotcor, the 270 grain BTSP and the 285 grain Grand Slam. The Lapua has a slight advantage in that it isn’t a belted case like the big Weatherby is. 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. After creating the .375 Weatherby Magnum in 1944 Roy Weatherby eventually formed the opinion that his .375 was under powered. Weatherby then set about designing a .375 caliber cartridge of extreme power. Your review * Name * Email * You may also like… Mark V® Accumark Elite $ 2,799.00 – $ 2,999.00 Select options; Mark V® Accumark. And again, shot placement is the key. Body weight resistance must be high and shot placement must be sound. Mag. This product is no longer available. The .378 Weatherby Magnum was introduced in 1953 as a replacement for the previous .375 Wby. 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. This power level is not necessary for hunting large bodied game out to ordinary ranges but is there for the taking. 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. Shoot, reload and get back on target. The animal was almost fully broadside (just quartering on), the bullet broke the humerus (leg raised to show break). In this cartridge clash, Brad Fitzpatrick takes a look at the .300 Win. 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. The A-Frame, in contrast, comes into its own at closer ranges. 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. The heavy Barnes bullets are designed for large, tough game. Subscriber Services. Velocity ratings for those three bullet weights are 3,500, 3,420 and 3,160 fps, respectively. But barrel life with this cartridge can be longer than some would have us believe. In EHJ’s 2016 June/July issue Dan Turvey, Jr. and I debated the merits of .30 cal vs. sub .30 cal rifles. Gun Review; by Nick Leghorn | Jul 24, 2017 | 39 comments. The stunned mullet look has no place in this game. 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. (Norma has been loading Weatherby ammo since the 1950s.). 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. 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. There is a small risk of petal loss when the GMX is used in this manner though this makes little difference to its performance. 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 new DGX round nose soft point features a steel jacket (copper plated) with a bonded lead core. Between 2400 and 2200fps (330 yards) wounds are wide but we may see a slight delay in killing. It is on heavy game that this increased power comes into its own. Who makes dies for a 7mm-378 Weatherby mag? *Load 1, 2 and 6 set for heavy game / close range. Joined Oct 20, 2005 Messages 91 Location Qld, Australia. Below 2200fps and through to 1800fps (680 yards) shots must be kept well forwards in order to ensure clean killing. That's not a lot of shooting for a varmint shooter, but it is more rounds than some hunters fire in a rifle during a lifetime. 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. The 215 magnum rifle primer was developed by Federal specifically for this round. 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. On light framed game this bullet does its best work down to impact velocities of 2600fps or around 250 yards. Mag. Having said this, best results are obtained at impact velocities over 2400fps. 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. 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. Furthermore, by deliberately stalking in close we can put the increased power of the .378 to use in a meaningful and measurable manner. One thing is certain: The maximum velocity potential of the cartridge will be reached only by the use of the slowest-burning powders available. Those who panic and pull the trigger under threat will do so whether the trigger is 4lb or 2lb. Used in this manner the Accubond can be highly effective. 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. But again, I like to push the envelope a bit. The.338-378 Weatherby case holds 137 grains of water compared to the.338 Lapua, which holds 114 grains of water. Nevertheless, there are some limitations. 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). 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. Furthermore, very few hunters have an interest in chasing very high velocities with light pills. 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. Both work well on large bodied deer or antelope weighing up to 600kg (1300lb). 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 … He told me every 2,000 rounds. Nevertheless, they can work very well. For hunters contemplating building a custom .378, a straight and fat varmint style stock is the key along with a light and crisp trigger. It also spawned an entire family of cartridges. Between 2600 and 2200fps (450 yards) the Speer produces clean but sometimes delayed kills on light framed game animals depending on shot placement. Sight height 1.6” (Scope). 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). This cartridge was also used as Weatherby’s base for the design of the .460 Weatherby. Sierra’s 350gr SMK is designed for target shooting only. Mar 21, 2007 #2 S. screech Well-Known Member. Hornady have just now (Oct 2017) released their 300 grain round nose bonded DGX bullet. 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. Joined … The TSX performs admirably when used in this manner and really brings the .378 into its own. When used on heavy game the increased power level of the .378 Weatherby can be considered ‘justified’. If not for interest in the cartridge by members of the Original 1,000-Yard Benchrest Club in Pennsylvania during the 1960s, the .30-378 magnum would most likely have faded away. "Bob" Thomson. 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. The new cartridge was named the .378 Weatherby Magnum and was introduced to the public as a Weatherby proprietary cartridge in 1953. 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. Suggested sight settings and bullet paths. It also takes a magnum primer to light the fire in this cartridge. 30-378 Weatherby Magnum: $1,899.99. 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”. This bullet is very useful for open country work on large thin skinned game weighing up to 600kg (1300lb). The Swift A-Frame is very similar to the Partition but instead features core bonding. The brass Interbond bullet was the worst, suffering bullet blow up on impact. The .378 Weatherby is an exceptionally good cartridge for hunting large game. To some the very thought of such a loading may sound absurd but when used in this manner it helps prevent dust collecting on one’s rifle while proving immensely effective on medium game. 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. Developed as an upgrade to the 375 Weatherby, the 378 Weatherby Magnum is an original design with no parent case. Kills inside 200 yards were spectacular, though meat damage was severe at close ranges. Gear Review of The Club XXL Ground Blind by Primos; A Skunk Is A Down Low Odiferous *Weasel (But That’s O.K.) Neither should be used on dangerous animals weighing over 450kg (1000lb) at close ranges. As a large game cartridge (moose or bear), the .378 Weatherby is extremely effective. Owners of .378 (and RUM) rifles are advised to select stouter protected point available in 235, 270, 300 and 350 grain weights. The utter ridiculousness of this is truly amazing. One of them was Earl Chronister, who held the world record for the smallest 10-shot group fired in 1,000-yard competition. Next Post There’s no doubt that Remington’s 700 is the champ, the long-time gold standard in bolt action rifles. 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). 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. Weatherby Mark V Accumark Bolt Action Rifle -The name says it all. As I have described many times now, the key is to get close (inside 100 yards) and aim small. 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. This bullet is most useful on game weighing up to and around 600kg (1300lb) while 700kg should be considered the upper limit. 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. 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. This will, over the coming weeks and months, be incorporated into the Weatherby line up, replacing the previous unbonded round nose soft point. 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. Anyone used a rifle in this calibre? The further one shoots the more resistance this bullet needs in order to promote expansion. The .30-378 Weatherby Magnum is a .30 caliber, belted, bottle-necked rifle cartridge. Simple burn rate chart and lean to vv 500 powders if you can , imr is temp sensitive , etc . 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. Weatherby continue to utilize this design (at least at the time of writing) simply because it maintains the Weatherby look. 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 .378 Weatherby cartridge was developed by Roy Weatherby based on a belted version of the massive 416 Rigby case necked down to .375”. The cartridge can hold upwards of 7.13 g (120 gr) of powder.The 378 Weatherby Magnum cartridge also … This Mark V is in excellent condition with small marks on the barrel and bottom of the stock from light use. The author takes stock of rimfire rifles he's known and loved. Its massive case holds so much powder that Federal designed its super-hot 215 primer to handle the load. 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). The A-Frame, while very tough, is more limited in its effective range. The 250 grain GMX (homogenous copper) projectile is an excellent bullet for hunting large bodied game out to moderate ranges. As a long range bullet for large bodied deer and antelope the Speer is simply outstanding down to 1800fps. If I had to pick just one for use with all bullet weights, it would be Retumbo. I long for the day when either Hornady or Sierra revisit this bullet weight. 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. New Rifle Review: The Weatherby 6.5-300 WBY Mag. The 235 TSX has a relatively low BC of .270. 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. 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