If you want to max things out, you need a bullet that will expand at lower velocities. This bullet is most useful on game weighing up to and around 600kg (1300lb) while 700kg should be considered the upper limit. 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 250 grain GMX (homogenous copper) projectile is an excellent bullet for hunting large bodied game out to moderate ranges. Available in 12 and 20ga. Accuracy and terminal performance are the cornerstones of Hornady Precision Hunter factory loaded ammunition. All are generally true to or within an acceptable range of their stated velocities. Accubrake ST installed on larger calibers. 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. Coyote tan and graphite black Cerakote. I use my .300 more than any other caliber, but nothing compares to the .30-.378 on hunts that I expect longer shots. Nosler, the world's finest bullets, ammunition, rifles, & brass. Right hand only. 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. [6] In the meantime, the .30-378 Weatherby Magnum had gone on to set world records in 1,000 yards (910m) benchrest competitions. Right hand only. Coyote tan and graphite black Cerakote. Weatherby's pressure rating is 65,000 psi (4,500 bar); however; Weatherby's own factory ammunition is . In this video I talk about the 338-378 Weatherby Mag. The .30-378 WM was introduced in 1996 by narrowing the neck of the .378 WM. Right hand only. Monte Carlo ploymer stock with bronze webbing. Designed to replace the 375 Weatherby Magnum, deep penetration and bone smashing power are the calling cards of the 378. Please leave your valid email address below. My favorite rifle, It is the what ever walks on this planet cartridge, Your email address will not be published. The Weatherby .30-378 Magnum is another attempt at a super .300 Magnum. Grandchildren are using it now and arguing about who is going to get it when I am gone. Graphite Black Cerakote. 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. Again, such arguments only highlight ones inexperience. These rifles have MSRPs of $ 3,449 and $ 3,299 respectively. The animal was almost fully broadside (just quartering on), the bullet broke the humerus (leg raised to show break). Right hand only. [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. Available in 16 calibers. For large game weighing up to 450kg (1000lb), consider 2200fps as the cut-off point. Kills inside 200 yards were spectacular, though meat damage was severe at close ranges. That 9.5% more capacity does translate into faster speeds. . Furthermore, by deliberately stalking in close we can put the increased power of the .378 to use in a meaningful and measurable manner. Mark V Accumark rifles are supplied with #3 barrels in all available calibers, which range from .240 Wby. 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. It drives a 300-grain bullet to 2,925 fps and 5,700 ft-lbs. Coyote tan and graphite black Cerakote. The A-Frame, while very tough, is more limited in its effective range. Right hand only. Brass for the .300 Norma Magnum is available from Midway USA . Available in 12 and 20ga., 26" and 28" barrels. Available in 15 calibers. As a young wildcatter, he revolutionized the industry with his fast, hard-hitting loads that were dead-on accurate. 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. 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. Having said this, those who wish to use Woodleigh bullets on game weighing no more than 450kg (1000lb) will find that the 300 grain round nose produces immense trauma and is the more versatile where game weights vary by a good deal. 270 Grain Barnes TSX, 270 Hornady Interlock, 300 Grain Hornady DGX, 300 Grain Hornady DGS, Shawn (verified owner) November 8, 2022. This is an outstanding bullet when used in the .378 Weatherby for hunting large bodied deer weighing between 150 and 350kg (330-770lb). Not all the same bullets but these were the only ones in this . Never hesitate to purchase a model and trust its consistency and performance. The 235 TSX has a relatively low BC of .270. Right hand only. Available in 9 calibers. Right hand only. He asked Roy Weatherby for .378 Weatherby empty cases, then turned off the belts on a lathe. Left and right hand options. Monte Carlo polymer stock with tan & green accents. Its massive case holds so much powder that Federal designed its super-hot 215 primer to handle the load. On heavier game a homogenous bullet can prove more effective. Gloss walnut stock. Re: 30-378 Weatherby VS 338L I have shot both and own the 30-378. Available in 14 calibers. A footnote: Writer Jack OConnor acquired a custom Apex-Enfield .416 Rigby rifle in 1953 and found that factory ammo was nearly impossible to get. Lightweight titanium Weatherby Mark V action. Reloading data for 30-378 Weatherby Magnum. looking at load data and velocity the 338-378 seems to vary a lot. As per the norm with the medium bores this cartridge does its best work on a diet of H4350 (ADI 2209). Ammunition Rifle Ammo .338-378 Weatherby Magnum 1 Items 1 Items Close. [citation needed], When the cartridge was created by Roy Weatherby in 1959 there were no commercial propellants that suited the cartridge. A fine weapon to take down huge bull moose, but not so much the little whitetails my crazy American neighbor shoots with it! For hunters contemplating building a custom .378, a straight and fat varmint style stock is the key along with a light and crisp trigger. Matte finished metalwork and walnut stock. | Hope you enjoy the video! 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. Using a slower burning and denser propellant, the .30-378 Weatherby Magnum surpassed the US Armys requirement of 6,000ft/s (1,800m/s). The manual team was also changing departments to become part of Development Engineering, and that took time. [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). 340 Wby 200 Sp Is 9.9 in low at 400 yds with a 300 yd 0. Available in 11 calibers. During tests it was found that the current primers of the day could not reliably ignite the massive powder charges exceeding 100 grains. Flat Dark Earth Cerakote. For my own part, I am glad the two brands are not identical as each offer unique performance. The only way to get more velocity than the 338/378 Weatherby is to go with one of the bigger. N/A. Left and right hand options. Factory-equipped choke is an extended Full and fluted for tool free removal. High gloss finished, walnut stock. When I was looking at this round I decided against it due to other rounds be plenty capable without the expense or thumb. Weatherby Mark V action. Right hand only. Available in 7 calibers. Wby Mags. 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. Lazzeroni ballistics are calculated at over 3,000 ft above sea level Weatherby's are like everyone else's. Lazzeroni are padded ballistics and the Lazzeroni rifles receivers are not as strong as the Mark V. I still don't see why a Lazzeroni cost so much but as he said price is not a concern. I have been shooting the 30-378 since 2005 excellent flat shooting hard hitting round. Speer Handloading Manual Number 15 data for .378 Weatherby has three newer propellants to which I did not have access when Speer #14 was still in development (20042007). Right hand only. The recommended bore diameter is .3005in (7.63mm) and groove diameter is .3080in (7.82mm) with each groove having an arc width of .118in (3.0mm). This white-hot cartridge is based on the 378 necked down to 30 caliber and packed with powder. Left and right hand options. Hornady projectiles include the 250 grain GMX, the 270 grain Interlock RP-SP, the 300 grain DGX and the 300 grain DGS. Adding normal case-forming procedures, he could handload for his Rigby. While this load is acceptable for hunting large bodied deer readers are advised to refrain from using this projectile on heavy game. Monte Carlo polymer stock in First Lite Specter camo pattern. 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). 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). 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. 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. This bullet is not designed to be used at impact velocities over 2400fps, but provided it is not used on heavy game, produces exceptional results. Available in 12 and 20ga. Average Gr: 283. Learn the difference between revolvers and semi-auto pistols and what makes them different. Save Search. Hop. Available in 12 and 20ga., 26" and 28" barrels. I have taken whitetail, mule deer, elk and moose with 180 gr Accubond from 15yds ( moose) to 1013 yds elk. Hopefully this will prove to be a very reliable projectile and especially well suited to the .378 Weatherby. 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. Raised Monte Carlo fiberglass stock. 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. Available in 17 calibers. This is a wonderful cartridge for those willing to take the time to get to know it. One shot kills when hunting boar is guaranteed. In lesser cartridges this bullet can at times be somewhat annoying. From muzzle velocities of around 2900fps the two loads will hopefully work very well together. His basic .300 load was a 180-grain bullet at 3,150 fps out of a 24-inch . document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); 1550 Yellowtail Dr. Sheridan, WY 82801 ph: 307.675.7840 Contact Us. Available in 12 and 20ga., 26" or 28" barrels. Reintroduced as a Weatherby production cartridge in 1996. The two Partition bullets can each be put to good use in the .378 Weatherby. The current Mk V Weatherby rifle chambered in .378 does however come fitted with a much needed muzzle brake. Griptonite stock available in multiple camo patterns. Login / Join. Right hand only. UPC . for the 300 grain bullet. 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). The heavy Barnes bullets are designed for large, tough game. FDE and graphite black Cerakote. Exit holes like the bottom of a beer stud. Impact Guns . I went with a .300 weatherby mag. A long-standing vision issue has precluded me from bench-testing the boomers for quite a while, but I had a circle of acquaintances when I worked at Speer who phoned in their adventuresand misadventureswith testing African-class rifles. Flat Dark Earth Cerakote. Available in 16 calibers. As I have described many times now, the key is to get close (inside 100 yards) and aim small. The 350 grain Woodleigh is designed to be used at impact velocities no higher than 2500fps. 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. At Norma Shooting, we offer a wide selection of our premium ammunition for sale. But to utilize it the hunter must get past the initial grandeur of high power and see it for what it really is. SAAMI recommends a 6 groove barrel with a twist rate of 10in (250mm). 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. Tungsten Cerakote. A link to set a new password will be sent to your email address. Stainless with graphite black Cerakote. Roy Weatherbys 378 delivers 34 percent more energy at the muzzle than the powerful 375 H&H Magnum. This cartridge was also used as Weatherbys base for the design of the .460 Weatherby. Right hand only. 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. Driven hard the A-Frame sheds some weight and SD, but manages to smash though heavy bone and achieve very wide internal wounding. Hand-load results: three shots under a quarter at a hundred yards with the Sierra 300 grain boat tail. Speed and Energy are figured out using an average of all the known cartridges. Additional Information. Less than 1 groups at 200 yards and ground pounds everything. 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. Weatherby Mark V action. The resulting case held a greater volume than any previous commercial cartridge. Available in 13 calibers. The 378 Wby has the punch of a 500 NE and the trajectory of a 300 Win mag. Available in 12 calibers. Right hand only. Matte blued metalwork. Comes with factory muzzle brake. Raised Monte Carlo fiberglass stock. I have retired my 300 Winch Mag and 375 H&H, for there is No-Need for them! Right hand only. Have taken elk,mule deer and whitetail out to 600 yards no problem. In my many years of hunting, Ive never shot at an animal that that didnt come home with me. Monte Carlo Griptonite stock. Recoil comes up in .378 Weatherby discussions. Tungsten and graphite black Cerakote. Norma Ballistics - Weather Settings Norma Ballistics - Settings and handling Biathlon Show all Biathlon . I compare it to the popular 338 Lapua mag. FDE and graphite black Cerakote. Available in 5 calibers. This round was designed and released in 1964 by Remington Arms, thus the name .223 Remington. As a young wildcatter, he revolutionized the industry with his fast, hard-hitting loads that were dead-on accurate. 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. Carbon fiber stock. Raised Monte Carlo fiberglass stock. Burnt bronze and graphite black Cerakote. The 200 grain flat point is not all that well suited to the Weatherby but it can be put to use as a mild load for hunting medium game or for general practice. Right hand only. 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. Available in 9 calibers. [7] It is also the flattest-shooting .30 caliber factory ammunition available. Minnesota. Light bullets in huge cases often produce wide swings in pressure and velocity. Tac gray and graphite black Cerakote. Initially a wildcat cartridge developed by Roy Weatherby in 1959 at the request of the United States Army. Bullet designs need to be carefully matched to the job at hand. Right hand only. [4], Like all Weatherby rifle cartridges the .30-378 Weatherby was designed to be a high performance hunting cartridge. Patriot brown and graphite black Cerakote. 30" barrels. Available in 10 calibers. It is the most powerful - in terms of energy - .30 caliber production cartridge available. Weight. The .30-378 Weatherby Magnum was able to attain over 5,000ft/s (1,500m/s). 30-378 is flat shooting hard hitting . Lightweight titanium Weatherby Mark V action. Left and right hand options. The other reason was ballistic consistency. Stay up-to-date on exciting content as well as updates on new products, promotions, and much more. Weatherby continue to utilize this design (at least at the time of writing) simply because it maintains the Weatherby look. [2] The cartridge was developed in response to a US Army military contract in 1959. Advanced Polymer stock in urban & black speckle. Coyote Tan and graphite black Cerakote. Available in 11 calibers. The 270 grain Speer BTSP loaded to 3150fps is an exceptional killer of large bodied game. We were struggling to get new pressure barrels, reference ammo, and even empty cartridge cases. . The 300 grain bullet (one of my go-to bullets) is effective on game weighing up to 600kg (1300lb). 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