338-378 Wby 200 Accubond is 8.3 low at 400 with a 300 yd 0. SAAMI recommends a 6 groove barrel with a twist rate of 10in (250mm). Adjustable carbon fiber stock. Sniper's Hide is a community of Snipers of all kinds, focusing on long range shooting, accuracy, and ballistics. But, that is still 520 less foot pound than the .378 Weatherby using a 300 grain bullet. Reaction score. Swift projectiles include the 250, 270 and 300 grain A-Frames along with their new Break away solids (untested at the time of writing). In 1996 Weatherby responded to this trend by chambering their Mark V rifle for the huge .30-378 Belted Magnum. Available in 13 calibers. Nosler would have been better to do away with the bonding all together (Ballistic Tip) and create a load purely for extended range. This can be used in the same manner as the Sierra 250 grain bullet. Hornady projectiles include the 250 grain GMX, the 270 grain Interlock RP-SP, the 300 grain DGX and the 300 grain DGS. Several variations of the .30-378 Weatherby Magnum were created by custom ammunition manufacturers, known as wildcatters. To say otherwise only highlights the inexperience of the hunter. But to utilize it the hunter must get past the initial grandeur of high power and see it for what it really is. The .378 Weatherby is an exceptionally good cartridge for hunting large game. 30-378 Weatherby Mag 220 gr ELD-X Precision Hunter. Right hand only. Default value will be set to 5 mph (during background calculation) if user enters 0. FILTER Category Ammunition Rifle Ammo .17 Hornet .17 Remington .17 Remington Fireball .204 Ruger .218 Bee .22 Creedmoor .22 Hornet .22 Nosler .22-250 Remington .220 Swift .221 Fireball .222 Remington .223 Remington and 5.56 NATO . High gloss finished, walnut stock. When loading 100 grains per case, buy two pounds if you plan to load more than 70 cartridges! All Shooting Times subscribers now have digital access to their magazine content. Between 2400 and 2200fps (330 yards) wounds are wide but we may see a slight delay in killing. 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. Available in 12ga., 3" chambering. Magnum's ballistics. Matte finish. 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. Right hand only. Those who put BC ahead of killing take note: hitting and killing are two different things. Weatherby numbers from 1964 and today have the .378 moving a 270-grain bullet to 3,180 fps and 6,050 ft-lbs of energy. 338-378 Weatherby Magnum Produced 1998. Available in 5 calibers. Patriot brown Cerakote. Grandchildren are using it now and arguing about who is going to get it when I am gone. High gloss finished, walnut stock. Available in 14 calibers. Monte Carlo Griptonite stock. Available in 13 calibers. This projectile is at its best at impact velocities over 2600fps. Carbon fiber stock. 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. (Ret.) Right hand only. Right hand only. Weatherby claims a muzzle velocity (MV) of 3150 fps with a 270 grain Barnes X-Bullet and 2925 fps with a 300 grain FMJ bullet in a 26" test barrel. Right hand only. Available in 11 calibers. Monte Carlo fiberglass stock with FDE speckle pattern and Weatherby Mark V action. GTIN . Some African countries made you use a .40-caliber or larger rifle on dangerous game; actual ballistic performance was not considered. Available in 12 calibers. Available in 12 and 20ga., 3" chambering. M. . Stainless with graphite black Cerakote. But again, wind drift is a concern. 340 Wby 200 Sp Is 9.9 in low at 400 yds with a 300 yd 0. In 2004 the highest average velocity we achieved from our 24-inch Krieger test barrel was 2,996 fps, fueled by 115 grains of IMR 7828. Burnt bronze Cerakote. Ammunition orders over $150.00 will receive free shipping. *Casing image above is an artist rendering and not a real photo of .378 Weatherby Magnum Ballistics cartridge. Left and right hand options. As an example of stock design the CZ action can be mated to a Bell and Carlson Varmint stock. High gloss Turkish walnut stock. The Partition also has fairly good reach, being immensely effective on appropriate game out to ranges of around 360 yards or 2200fps. Classic steel Weatherby Mark V action. Finished rifles will be around 0.75 inch shorter in the action, and barrels can be a short 22 inches and still provide full propellant burn. I've had my best success with 350 TSXs and Magnum in the .378, but the 350 SMK performs well with H1000 too (seated just off the lands, the load pictured chronied at 2,830 fps with no pressure signs). [6] In the meantime, the .30-378 Weatherby Magnum had gone on to set world records in 1,000 yards (910m) benchrest competitions. Tungsten Cerakote. These rifles have MSRPs of $ 3,449 and $ 3,299 respectively. Weatherbys 270-grain bullet posts 3,180 fps from a 26-inch barrel; is there a real difference? But in the bullet melting Weatherby the 235 grain Speer can be viewed as truly soft. The 235 grain Speer Hotcor can be put to good use in the 378. The .30-378 WM was introduced in 1996 by narrowing the neck of the .378 WM. The group pictured at the bottom is a 500 grain TSX seated long at 2,640 FPS. SAAMI recommends a 6-grooved barrel with a bore of .408 in (10.4 mm) and a groove of .416 in (10.6 mm) with a twist rate of one revolution in 14 in (360 mm). Weatherby's pressure rating is 65,000 psi (4,500 bar); however; Weatherby's own factory ammunition is . Furthermore, very few hunters have an interest in chasing very high velocities with light pills. Tungsten and graphite black Cerakote. Lighter and tougher and more precise than ever, it's the perfect back country hunting rifle. Available in 16 calibers. 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. 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 . Lightweight titanium Weatherby Mark V action. Right hand only. Ammunition Rifle Ammo .338-378 Weatherby Magnum 1 Items 1 Items Close. Who knew wild turkey's were so stupid!? Available in 10 calibers. Please leave your valid email address below. We manufacture Partition, AccuBond, E-Tip, Ballistic Tip, Custom Competition and much more. When Life is on the line. These are the .330 Dakota, .340 Weatherby, .338 Remington Ultra Mag, .338 Lapua Magnum and .338-378 Weatherby. Contact Us. The bullet has to match both the game and the velocity capability of the .378 Weatherby. Left and right hand options. Available in 5 calibers. Apr 25, 2004 #1 Hello, I was hoping someone here could run some numbers for the factory 200 grain weatherby ammo for the 30-378 mag. The manual team was also changing departments to become part of Development Engineering, and that took time. Left and right hand options. Right hand only. Body weight resistance must be high and shot placement must be sound. Classic steel Weatherby Mark V action. Classic steel Weatherby Mark V action. Shot 4 Elk 1 Moose all over 350 yards , and one large brown bear all one shot kills. Between 2600 and 2200fps (450 yards) the Speer produces clean but sometimes delayed kills on light framed game animals depending on shot placement. Flat Dark Earth Cerakote. Right hand only. Available in 12ga., 3" and 3.5" chamberings. Recoil: 3.95. Sierras 350gr SMK is designed for target shooting only. Weatherby Mark V action. Available in 12 calibers. 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. 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. Functionally, it doesn't matter a whole heck of a lot, but . Available in 11 calibers. Right hand only. Light bullets in huge cases often produce wide swings in pressure and velocity. 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. This bullet is very useful for open country work on large thin skinned game weighing up to 600kg (1300lb). Required fields are marked *. Truing: 5 data drop points instead of 1 (user can decide to use 1 or all 5). Monte Carlo ploymer stock with black webbing. 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. This is the ultimate cartridge for long . This white-hot cartridge is based on the 378 necked down to 30 caliber and packed with powder. 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. Custom Mossberg 500 at the Range and Live Turkey!. (Shooting Times photo). Available in 11 calibers. Available in 5 calibers. Available in 12 and 20ga. . 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. Below 2200fps and through to 1800fps (680 yards) shots must be kept well forwards in order to ensure clean killing. [11][12] Some .378-based wildcats have gone on to be part of the Weatherby line: .30-378, .338-378, .416 and .460. Because the Trophy Bonded bullets were not included in Speer #15, the only bullet common to both data sets is Speers very successful 285-grain Grand Slam softpoint. Custom Knobs: Wind Value cannot be zero or else this results in a blank Custom knob data file. Monte Carlo Griptonite stock. But wait, there's more. Unfortunately the traditional Mk V stock tends to accentuate felt recoil. Re: 30-378 Weatherby VS 338L I have shot both and own the 30-378. I talk about the pro and cons of this cartridge. [3] In 1995 Layne Simpson built a rifle chambered for the .30-378 Weatherby and developed loading data and passed the data on to Norma Precision to provide a basis for their factory loaded ammunition. Griptonite stock available in multiple camo patterns. Driven hard the A-Frame sheds some weight and SD, but manages to smash though heavy bone and achieve very wide internal wounding. That 9.5% more capacity does translate into faster speeds. Peak 44 carbon fiber stock. Remember that one pound of propellant is 7,000 grains. The 250 grain Gameking features a jacket nearly twice as thick as other Gameking bullets along with an extra tough core. Most fell nearly where shot, none took over a few steps! Unfortunately, we could not get enough .378 Weatherby empty cases to do the tests before our press date. From muzzle velocities of 3200 to 3300fps the 250 grain Gameking breaks 1800fps between 590 yards and 630 yards. Thread starter danacobb; Start date Apr 25, 2004; Help Support Long Range Hunting Forum Become a supporting member . 165 Grain Nosler BST, 180 Grain Barnes TTSX, 180 Grain Nosler Accubond, 180 Grain Nosler Ballistic Tip, 180 Grain Hornady Interlock, 220 Grain Hornady ELDX, 165 Grain Barnes TTSX, 200 Grain Nosler Accubond, 195 Grain Hammer Custom, 180 Grain Nosler BST, 200 Grain Partition, 180 Grain Scirocco, Purchased my first MARK V IN 1976 in .300 Wby Mag, bought three more in different calibers before buying a .30-.378 which was the first one I saw at the Powder Horn in Bozeman, MT in 1996 while on a hunting trip. Available in 16 calibers. 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). Nevertheless, they can work very well. Available in 13 calibers. Available in 14 calibers. Matte finish with synthetic stock. There is a small risk of petal loss when the GMX is used in this manner though this makes little difference to its performance. Most Weatherby cartridges made the transition from proprietary to industry-standard cartridges just as Speer #13 began development. Four-way adjustable comb. I think the bullet field dresses whatever is left of it! Available in 13 calibers. These .338 "super magnum" cartridges achieve marginally better ballistic performance than the .338 Winchester Magnum, but with . Founded by Frank Galli in 2000, Sniper's Hide has been offering informational . I have shot these rifles regularly at long range, at both targets, and a variety of game from coyotes to large deer. But instead we have a bullet that is neither here nor there. Great care has been given by Hornady engineers to develop superior, match-accurate hunting loads that allow the ELD-X bullet to achieve its maximum ballistic potential. Showing 1-12 of 249 results Norma Range & Training - 7.6239 Tactical FMJ 124 Gr. High gloss Turkish walnut stock. Few American ammunition manufacturers offer factory loads, wildcatters have already gone to work by Ackley Improving the case so that it has a 40-degree shoulder. [8], The .378 has been responsible for numerous wildcat cartridges, being necked-down as the .22 Eargesplitten Loudenboomer and necked-up as the .500 A-Square. In lesser cartridges this bullet can at times be somewhat annoying. Having said this, the .378 does place a great deal of strain on the Partitions. Peak44 Bastion carbon fiber stock. Available in 15 calibers. My go to rifle is my Weatherby 30-378. Cobalt and graphite black Cerakote. Still, Weatherby sells rifles and ammo today. Coyote tan and graphite black Cerakote. Available in 12 and 20ga., and a 22" barrel. Thats essentially a tie in velocity, although the heavier Grand Slam adds about 5 percent to the muzzle energy. 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