Bullet : .308, 212, Hornady ELD-X 3077 G7 Useable Case Capaci: 117.803 grain H2O = 7.649 cm³ Cartridge O.A.L. Looking for Reloading Data for the 338-378 Weatherby Magnum and Berger Bullets? Historically, Weatherby claimed that this is the most powerful .30 caliber magnum rifle commercially available, but the recently introduced .300 RUM and Weatherby’s own .30-378 Weatherby Magnum are now more powerful. RIFLE RELOADING DATA FILES (PDF) 20 caliber (.204 dia) 204 Ruger 39. 91; load development using rl26 in .30-378 weath. 54 Handloader 305 able extreme velocity spreads while keeping pressures in check. using weatherby brass … Not so today! … Data for burning rate decreased by 10% relative to nominal value: -Ba 94 111.70 2843 3732 48937 18034 94.4 1.449. Using bullets from Nosler Partition, Nosler BST, Hornady SP, Swift A-Frame, Nosler Accubond. Joined Oct 3, 2017 Messages 112. I will explain. 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. On light animals, and for game up to 320kg, the Partition is a fast killing bullet with very satisfying results. As … 30-378 WeatherBy Accumark w/ a Vortex PST 4x16-50 FFP scope. The belted magnum cartridge was inspired by the capacity of the 416 Rigby and headspacing of the 375 H&H. Now Weatherby is not known for sitting on its laurels when they see a good thing and it did not take long to introduce the mighty 6.5 x 300 Weatherby. Well, first time on the range w/ this rifle. Accuracy and terminal performance are the cornerstones of Hornady Precision Hunter factory loaded ammunition. The .30-378 magnum was introduced in the Mark V rifle in 1996, and shortly thereafter, I was asked for chamber dimensions and load data that I had worked up--based on a rifle in that chambering I'd built the year before--and the information was forwarded on to Norma so the Swedish firm could begin development of factory ammunition. Sent from my iPhone using Tapatalk . Forgot Your Password? Dec 3, 2020 #2 L. leifalweapon Member. As with most Weatherby Magnums, there are a few points to keep in mind when loading for this cartridge: Weatherby currently list just the one load for the .375, the 300 grain Nosler Partition at 2800fps. The Weatherby Barnes load does not turn the .30-378 into a Water Buffalo slayer with body shots due to the limitations of the bore diameter but the 180 grain TSX is effective on the largest of deer species. I always start here and rarely adjust much powder wise. - 20N29 is a powder that runs a lot more stable when it has been warmed (believe it or not). Nevertheless, from a purely historical data based perspective the Weatherby remains king in the velocity stakes. Powders include Norma +Ba 94 111.70 3224 4800 76478 17780 100.0 1.183 !DANGEROUS LOAD-DO NOT USE! 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. effendude. The 215 magnum rifle primer was developed by Federal specifically for this round. .30-378 Weatherby Magnum (Norma data) reloading data with 31 loads. I began reloading the .30-378 weath. 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. Find hornady 30-378 weatherby magnum ammo for sale online, in-stock and ready-to-ship. I noticed the powder speeds did not show what I expected at 28 degrees. The .378 Weatherby Magnum was designed by Roy Weatherby in 1953. Charge Velocity Charge Velocity Load Powder (grains) (fps) (grains) (fps) Density (%) RL 22 106.0 3547 111.0 3765 94 ♦Retumbo 114.5 3530 120.0 3700 104 *The 130gr TSX has a very short shank. I am giving the rifle 4min between shots to cool. Then when I … I've been asked by a close friend to help him find a load for his new rifle and these are the components he has given me to work with. So far I haven't been able to find a good grouping load. Anyone have any data on load data, preferably with H1000 and Berger 210, 215 and 230’s? Cold bore shot and subsequent shots are 6" apart. - I'm at a location offshore right now so I don't have access to my loading data at home. ... Be Alert: Publisher cannot be responsible for errors in published load data. Gunpowder Charge Weight Velocity m/s Velocity fps; Norma 217: Max 113.5 Min 113.5: 1072 1072: 3517 3517 Mag. Oct 20, 2020 #10 Maybe consider something like a 30-338 Lapua Improved. 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. .30-378 Weatherby (Speer Reloading Manual #14) Warning! Become a Load Data member. This data is now available to download for free from our website! Apr 29, 2012 #6 How does your .30-.378 shoot in a light rifle without a muzzle brake? Accuracy and terminal performance are the cornerstones of Hornady ® Precision Hunter ® factory loaded ammunition. My go to load for the 30/378 in many, many of them (all Mark V's thou) has been 98grs H1000/wby brass/Fed 215match with 210gr Berger loaded as long as your magazine will handle. Apr 29, 2012 #7 I … We recommend lightly crimping the case mouth with a factory crimp-style die to increase neck tension..30-378 Weatherby Magnum Minimum Maximum Bullet Weight: 150 gr Case Trim Length: 2.903" S.D. Thread starter Bowkill02; Start date Aug 27, 2019; Bowkill02. Reloading data available in these calibers:.25-06 Remington 6,5 x 55 Swedish Mauser.270 Weatherby Magnum 7 mm Remington Magnum 7 mm RUM.300 Norma Magnum.300 Winchester Magnum.300 Weatherby Magnum.300 Lapua Magnum.300 Remington Ultra Magnum.30-.378 Weatherby Magnum.338 Lapua Magnum.50 Browning Reactions: dragman and EasyShooter. 22 caliber (.224 dia) 22 Hornet TNT Green 30 22 Hornet 33 22 Hornet 40 22 Hornet 50 22 Hornet 52 218 Bee 46 222 Remington 40 222 Remington TNT Green 43 222 Remington TNT Green 50 222 Remington 45 222 Remington 50 222 Remington 52 222 Remington 55 223 Remington 40 223 Remington TNT Green 43 223 Remington 45 … B23. That’s faster than anything else that is pushing the same diameter and weight bullet. Home; Search Loads; Articles; Shop Now ! wboggs. Any help would be great. Bullet : .308, 200, Nosler AccuBond 54618 Useable Case Capaci: 119.191 grain H2O = 7.739 cm³ Cartridge O.A.L. Jun 13, 2020 #1 .30cal fanatic Well-Known Member. "Weatherby was too long so I nicknamed it "Bee"" Re: 30-378 and N570 #12541078 ... .30-378 Weath. With all the wonderful variety of super slow powders, this chambering … As of this writing, there is no published load data from credible sources Hand loading brass starts at 100-120 grain cases that can use slow burning powder. L6: 3.655 inch = 92.84 mm Barrel Length : … Weatherby lists the muzzle velocity of their 250-grain Nosler Partition load at 3,060 fps. Larger hand load grain types such as 180 grain can produce slightly faster speeds than factory loads at 3,450 ft/s velocity, and 200 grain 3,200 ft/s velocity depending on the length of the barrel used for shooting. Mag. Code: Cartridge : .30-378 Weath. Using bullets from Barnes TSX BT, Barnes TSX BT or MRX BT, Barnes TSX BT, MRX BT or BND SPIT, Barnes MRX BT, TSX BT or Banded Solid Spitzer, Barnes MRX BT or TSX BT, Barnes TSX FB. 30-378 Weatherby Mag 220 gr ELD-X® Precision Hunter® Item #82214 | 20/Box . accumark « on: November 04, 2017, 09:34:15 AM » I started this as sort of a trouble shooting mission. (Norma has been loading Weatherby ammo since the … Powders include IMR, Accurate, Hodgdon, Ramshot, Alliant, Vihtavuori Gun: Weatherby Mark V; barrel length: 26 inches; case: Weatherby; primer: Federal 215 Large Rifle Magnum; bullets: 190 GR Hornady InterLock … While 30-378 Weatherby is certainly no slouch, the Lazzeroni 7.82 Warbird would be the biggest, badest 308 caliber available. accumark 8 Replies; 2504 Views; ctw. Bullet seating depth might be limited to mag box length if you want a repeater. Reactions: Johnny G. Feb 28, 2020 #7 T. tumbleweed Active member. Sporting rifles with 26” barrels typically achieve 2780fps with this load while shorter 24” barreled rifles achieve around 2730fps. Not mainstream enough i guess. These match-accurate hunting loads allow the ELD-X bullet to achieve its maximum ballistic potential. .30-378 Weatherby Magnum (Barnes Reloading Manual #4) reloading data with 94 loads. Joined Mar 6, 2017 Messages … 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. 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. 30-378 weatherby. WEATHERBY MAGNUM To achieve best accuracy with the Barnes 127-grain LRX bullet, it should be seated comparatively deep. Ive been loading for a couple years and just started loading for my mark V in 30-378. The Ultimate Reloading Manual. Seems like everyone forgets Lazzeroni when looking for speed. Reload data showing a 200gr bullet at 3,358 fps. The Lapua and its tactical appeal have certainly stole some of its thunder but there are still a good many hunters who loyally stand by the Weatherby. accumark + Print; Pages:  load development using rl26 in .30-378 weath. Now granted a bunch of wildcatters were necking down the 300 WBY many decades ago but alas the only powder that made it look good was indeed H870. Aug 27, 2019 #1 I'm looking for some good safe starting loads loads shooting a 180 nosler balltip and H-1000. 30-378 Weatherby Magnum Rifle Cartridge. Wt. Regardless of velocity, shot placement is the always the key to initiating fast kills with Barnes bullets. As for 30/378 I have no experience but would expect retumbo and vv n570 to be good powders along with others but I load with those two in our rum’s with good results. Hodgdon’s online handloading data lists the .338-378 Weatherby with a 250-grain bullet with a statistically identical muzzle velocity of 3,072 fps. Joined Nov 11, 2013 Messages 20.30cal fanatic … 30-378 Load data. Gold $$ Contributor. The .30-378 Weatherby had been around for decades as a wildcat cartridge based on the large .378 Weatherby Magnum case necked to .30 caliber. 30 Nosler Load Data; 30-378 Weatherby Magnum Load Data; 300 Remington Ultra Magnum Load Data; 7.62x51mm NATO Load Data; 8x57mm JS Mauser Load Data; 8mm-06 Load Data; 325 Winchester Short Magnum (WSM) Load Data; 8mm Remington Magnum Load Data; 338 Federal Load Data; 338-06 A-Square Load Data; 338 Winchester Magnum Load Data ; 330 Dakota Load Data; 340 Weatherby Magnum Load Data… Thread starter.30cal fanatic; Start date Jun 13, 2020; Help Support Long Range Hunting : Join the LRH Team or . / .30-378 Weatherby Magnum (Using Hornady Bullets) Warning! In 1998 Weatherby introduced it as a standard industry cartridge and began offering rifles and ammunition. Notes: This data was shot by Brian Pearce, Wolfe Publishing Company. Note the unusual bullet length and how it seats into the pow-der capacity. using weatherby brass trim to 2.903, WLRM primers and h50bmg powder. .308 Norma Magnum Load Development Calibers Show all Calibers The excellent 308 Norma Magnum 9,3 mm – A love affair Bullets Show all Bullets The basics of … The .338-378 Weatherby currently maintains a modest following for hunting big game at long ranges. This cartridge was also used as Weatherby’s base for the design of the .460 Weatherby. Since load data is scarse and limited, I started w/ 93 grns of IMR7828 SSC and loaded up to 96 grains by .5 grain increments using Norma brass, 210 Federal primers and 208 BTHP Hornady bullets. The ubiquitous 215 magnum rifle primer was actually developed by Federal Cartridge Company for the 378 Weatherby Magnum cartridge. - IF the guide lists a load for 20N29 powder (The slowest in the V/V product line) I would Warm those loaded rounds to a temperature of 120 to 140 degrees F. for a minimum of 24 hours prior to testing. Just curious. load development using rl26 in .30-378 weath. The cartridge was developed in response to a US Army military contract in 1959. Abbreviated Name: 30-378 Wby Mag The .30-378 Weatherby Magnum is a .30 caliber, belted, bottle-necked rifle cartridge. ) Reloading data for burning rate decreased by 10 % relative to nominal value -Ba... With Barnes Bullets with most Weatherby Magnums, there are a few points to keep in mind when for... 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