<< x�c```g``�e`e`�;��π �l@����aۋ�۝ .338-378 Weatherby Magnum (Hodgdon Data) reloading data with 84 loads. << /S /Transparency /I false 0000041537 00000 n Weatherby currently list two loads for the.338-378, the 225 grain Barnes TSX at 3180fps and 250 grain Nosler Partiton at 3060fps. /MediaBox [ 0 0 378 612 ] These impressive ballistics, along with low-drag bullets, results in an 30-378 Weatherby Mag 220 gr ELD-X® Precision Hunter® Item #82214 | 20/Box . About; Disclaimer; Contact; Log in / Sign up.338 - 378 Weatherby Magnum - Manufacturer Loading Data. /OPM 1 >> /Bounds [ 0.997033 ] 0000005000 00000 n /FontFile2 61 0 R 556 0 556 556 222 0 0 222 833 556 556 556 0 333 500 278 556 0 722 500 500 0 556 556 556 556 278 0 0 0 0 0 0 667 667 722 722 0 611 778 722 278 0 0 556 %���� 0000050653 00000 n >> 0000026482 00000 n I shot it a few times with no brake. 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. /BBox [ 0 612 378 0 ] /K false stream 57 0 obj /ViewerPreferences << /Direction /L2R >> ��T .338-378 Weatherby Magnum (using Sierra bullets) reloading data with 59 loads. The .338-378 has devoted fans in the long-range hunting sub-culture, but only exceeded the .340 Weatherby’s muzzle velocity by 119 fps; a small reward for the huge recoil it produces. << 0000026936 00000 n endobj << Looking for Reloading Data for the 338-378 Weatherby Magnum and Berger Bullets? 0000000017 00000 n endobj /Size 81 >> /Function 55 0 R This data is now available to download for free from our website! endobj /CapHeight 716 We manufacture hunting, competition, defense, handgun, target, match, lead-free; reloading components and accessories. 338-378 Weatherby Magnum 225 GrainInformation  |  Ballistics, Bullet Style: AccuBondUse:  Deer, Elk & Moose Sized Game, 338-378 Weatherby Magnum 250 GrainInformation  |  Ballistics, Bullet Style: PartitionUse:  Deer, Elk & Moose Sized Game. 0000003978 00000 n >> << /BleedBox [ 0 0 378 612 ] 43 38 0 Load Data. /CropBox [ 0 0 378 612 ] 0000051747 00000 n So i had a brake installed. /Length 20825 .338-378 Weatherby Weatherby’s .338-378 is pure power personified. /Coords [ 0 0 1 0 ] data … /op false /SMask /None 0000004072 00000 n /Domain [ 0 1 ] Prior to this, Weatherby also offered the 200 grain Nosler Ballistic Tip at 3350fps which had some merit for extended range work. 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. /Length 235 0000041999 00000 n Then select your bullet weight, powder manufacturer and powder type. Unfortuneately it will take me the better part of 6 months to finish aquiring the rest of … startxref /CA 0.699997 endobj endobj /AIS false %%EOF /Resources << /ExtGState << /GS0 50 0 R >> /XObject << /X0 51 0 R >> >> >> /Pages 41 0 R 0000003890 00000 n x�+�2�0W032T�5��34S�536P(J� That’s faster than anything else that is pushing the same diameter and weight bullet. 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. I could be wrong but I believe the Accubond longer surface will cause pressure sooner, combined with OAL, FB, mag fed etc. Both of these cases are high quality, and the cost of firing these big rifles means that any cost savings on … endobj /FontName /AEXXAA+ArialMT After creating the .375 Weatherby Magnum in 1944, Roy Weatherby eventually formed the opinion that his .375 was underpowered. This one really ups the ante in the 8.6mm sweepstakes. >> /Flags 32 /Type /Catalog /OP true 0000001373 00000 n Nosler, The World's Finest Bullets, Ammunition, Rifles, & Brass. If you are interested in the most recent data for cartridges and/or bullet weights/styles not listed on this page, contact Barnes Consumer Service department to inquire about recommended loads and approximate timing for the data to be made available via email at customerservice@barnesbullets.com or by phone at 800.574.9200.. /BM /Normal << Discontinue firing at the first sign of excessive pressure or … endobj /ca 1 Abbreviated Name: 338-378 Wby Mag /Domain [ 0 1 ] /Group 79 0 R /CA 1 Reloading Reference Data & Education Accuracy and terminal performance are the cornerstones of Hornady ® Precision Hunter ® factory loaded ammunition. >> /BM /Normal << The advanced powder is specifically formulated for the long-range .338 Lapua, although it is also ideal for a range of large magnum rifle cartridges. << /OPM 1 Bullets; Primers; Specifications . /C0 [ 0 ] /ArtBox [ 0 0 378 612 ] 0000001698 00000 n 45 0 obj << As I found out too, long skinny barrels are whippy, especially with the high recoil cartridges and loads. /ca 0.699997 0000002834 00000 n /SMask /None This round is considered effective for sniping at 1500 meters!.338-378 Weatherby Magnum. Retumbo adds 40-100 fps more velocity to these cartridges when compared to … /Filter /FlateDecode 55 0 obj 0000002300 00000 n /N 1 63 0 R /TT2 67 0 R /T1_0 71 0 R >> /Shading << /Sh0 75 0 R >> >> << How I reload; Reloading Questions; About. 0000052355 00000 n endobj endobj /CA 1 3. 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. 44 0 obj 338-378 Weatherby Magnum Suggested Bullet Use Suggested Bullet Use Maximum Loads Should Be Used With Caution - Always Start With Minimum Loads. 223 Remington 60-62 gr. /ItalicAngle 0 If you're unsure, or just want options, check as many boxes as you'd like. The data problem you can run into is that cartridge was / is still popular in the PA area for long range hunting and in the past the 300 SMK and now Bergers are very commonly used. Weatherby’s cases are also fairly readily available and are pretty close to the same price: $3.50/case for 338 Lapua vs $3.50/case for Weatherby 338-378 depending where you pick them up from. /Type /FontDescriptor 833 722 778 667 0 722 667 611 722 0 944 667 0 0 0 0 0 0 0 0 556 0 500 556 %PDF-1.4 /Type /ExtGState /op false endobj Select your cartridge type from the drop-down list. /BM /Normal Using bullets … /Filter /FlateDecode All User Loading Data; Components . 0000001229 00000 n 340 Weatherby 338 Remington Ultra Mag 338-378 KT 330 Dakota 35 Caliber: 350 Remington Magnum 9.3 mm Caliber: 9.3 x 62 Mauser 9.3 x 64 Brenneke 375 Caliber: 375 H& H Magnum 375 Dakota 375-404 Jefferey 375 Weatherby 378 Weatherby 9.53 Saturn endobj endobj Use the 225 TTSX's at the same speed for everything else, been thinking the 300 gr Accubond at 3000 fps with same powder would be a formidable all game long range load. << >> I run the 225 gr Accubonds at 3385 fps with Retumbo from my 28" barreled 338-378, makes a fine deer load. Select your cartridge type from the drop-down list. /SA false /Type /ExtGState 0000004713 00000 n 59 0 obj 0000025925 00000 n >> ] << ... 338-378 Weatherby Magnum. 0000027229 00000 n 0000053401 00000 n If you're unsure, or just want options, check as many boxes as you'd like. << 0000003456 00000 n Weatherby lists the muzzle velocity of their 250-grain Nosler Partition load at 3,060 fps. 0000052242 00000 n /L 201670 data [PDF] 5.56 NATO 60-62 gr. 53 0 obj /BaseFont /AEXXAA+ArialMT /Length1 31064 /Subtype /TrueType /T 200683 stream /Encode [ 0 1 1 0 ] /AntiAlias false 338-378 Weatherby Magnum Rifle Cartridge. /C1 [ 1 ] << << endobj Chambered for 338-378 Weatherby Magnum is Not offered at this time. << /Type /Page /ShadingType 2 >> /S 206 /Extend [ true true ] endobj endstream X,N� /Subtype /Form /BM /Normal 52 0 obj /XHeight 519 >> The recoil was to much to work up loads from the bench. ���*�2PH��wR�\P@a�t&�r�g(gp! /FontFamily (Arial) /Type /ExtGState /SMask /None /Lang (en-US) /Matrix [ 1 0 0 1 0 0 ] << /ColorSpace 53 0 R 56 0 obj /FunctionType 3 xref This magnum, extruded powder was designed expressly for the really large overbored cartridges such as the 7mm Remington Ultra Magnum, 300 Remington Ultra Magnum, 30-378 Weatherby Magnum, etc. We achieved best results with slow powders like H-1000 and Viht N165. 2. >> >> /ca 1 >> /Domain [ 0 1 ] /Widths [ 278 0 0 0 0 0 0 0 0 0 389 0 0 333 278 0 556 556 556 556 556 556 Click "Get Data" to view results. /OPM 1 /OP false endstream 0000002163 00000 n That's why Alliant Powder® put countless hours of research and development into creating Reloder® 33. .�\�\ �/ The 8.58x71mm military load uses a 250 grain spitzer-boat tail FMJ bullet at a MV of 2950 fps with muzzle energy (ME) of 4830 ft. lbs. ���Xމ}�#"�(�n`��2�������|]�lY��Z�����i�/0�`��=. 0000042408 00000 n /LastChar 148 /Parent 41 0 R 1. Pistol; Rifle; Cowboy; GR. 47 0 obj Weatherby then set about designing a .375 caliber cartridge of extreme power. It is built on a mauser single shot action with a Shilen 26 inch varmint weight barrel. /ID [<05e1d9a1f93687341c2f675a2457eb21><05e1d9a1f93687341c2f675a2457eb21>] For lighter weight, walk-around-type hunting rifles chambered for big cartridges like the 338/378 Weatherby magnum, extra- long barrels are not going to gain any significant velocity increases. endobj 51 0 obj Never begin loading with the maximum powder charge shown in these reloading data tables, regardless of your experience. 43 0 obj /FontStretch /Normal /Encoding /WinAnsiEncoding 46 0 obj As the name implies, Weatherby's ultimate .338 is based on a necked-down .378 Weatherby Magnum case. 0.964203 1 0.824905 ] >> ] /CS /DeviceCMYK 0000004167 00000 n 61 0 obj Occasionally, we will temporarily publish load data on this page when a bullet becomes available and is not yet listed in the latest edition of the handbook. /Descent -325 /C0 [ 1 ] /C1 [ 1 ] x�+��w6PH/�2PI�\�@� From this data we can draw a few conclusions. max loads will vary considerably. >> /Linearized 1 ATTENTION: New reloading data … /Ascent 1006 As a gunsmith, firearms dealer, and long range rifle builder of over 40 years, it is a pleasure to report our extensive field testing of the .338-.378 Wby Mag factory loads. /FontWeight 400 Initial factory loads in-cluded a Barnes 127-grain LRX bul-let at 3,531 fps, a Swift 130-grain Scirocco at 3,476 fps and a Swift 140-grain A-Frame at 3,395 fps (recorded from a 26-inch barrel). I have a 338-378 Wby mag that i finished building a couple years ago. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 333 ] /FunctionType 2 /op true endstream endobj Loads for 338-378 Weatherby + Print; Pages: [1] 2. x���y`T��8~�}��o�53o2��2��$�. /AIS false 0000003635 00000 n Load Data: 338 Caliber Loading / Reloading Information By Nosler Inc. Nosler - Bullets, Brass, Ammunition & Rifles. Here is a load I worked up with the New RL33 powder 338-378 with a 300 gr SMK. Then select your bullet weight, powder manufacturer and powder type. /O 45 endobj /Type /Font 107 SW Columbia St | Bend, Oregon, USA 97702  |  Toll Free: 1-800-285-3701  |  catalog@nosler.comNosler Showroom / Open to the Public:  Monday - Friday 10:00 am to 5:30 pm PSTCorporate Hours:  Monday - Friday 8:00 am to 4:30 pm PST, Copyright 2013 - 2020Nosler Inc  |  Privacy  Use  Order Processing, Nosler - Bullets, Brass, Ammunition & Rifles. 54 0 obj Find what you need in four easy steps. Loads for 338-378 Weatherby 15 Replies; 11013 Views; trotters. endobj /Filter /FlateDecode *Most Accurate Load C Compressed Load 2 185-grain TSX BT Sectional Density .231 Ballistic Coefficient .352 C.O.A.L 3.720” 160-grain TTSX FB Sectional Density .200 Ballistic Coefficient .342 C.O.A.L 3.750” /Resources << /ExtGState << /GS0 46 0 R >> /Shading << /Sh0 52 0 R >> >> I am now wanting to work up loads for the Sierra 300 MK. 49 0 obj /SA true Specific cartridge loads need specific propellant to perform to their ballistic peak. /Info 42 0 R Its enormous case capacity helps explain why. 80 0 obj /N 4 /ToUnicode 62 0 R 58 0 obj Click "Get Data" to view results. /N 13.5134 0000002985 00000 n Never exceed maximum loads because excessive chamber pressure will result. /E 53476 0000050431 00000 n /Contents 78 0 R /Type /ExtGState /FunctionType 2 Designed for Loading & Reloading 338-378 Weatherby Magnum is Not offered at this time. << /X1 49 0 R >> /ColorSpace << /CS0 53 0 R >> /Font << /TT0 59 0 R /TT1 60 0 obj /OP true 0000050985 00000 n [ /Separation /PANTONE#20730#20C 54 0 R << /C0 [ 100 0 0 ] /C1 [ 49.0196 20 Like the .338 Lapua, it is a great candidate for the 300 grain long-range bullets now on the market. (Photo courtesy of Weatherby) This monster was officially introduced in 1998, but Elmer Keith and others had been fooling around with a .338-378 wildcat decades prior. /Rotate 0 @Z� �"r��i�k��&�*�9�242j10[0/�`pdbd\l�a�� P��@��FK+�6�� � N � |�!�*���0T00�`\ ��(!���Qb? 0000003757 00000 n I am going to run them at 3020 fps this load was just a touch too warm, but it was also hot outside too.3020 fps is a gr less. >> >> That is a serious can of whoop ass out of a 26 inch barrel !! 48 0 obj stream h /FontBBox [ -665 -325 2000 1006 ] /op true /AIS false >> 0000002571 00000 n 0000003297 00000 n 0000042702 00000 n /AIS false 41 ] /Domain [ 0 1 ] /FunctionType 2 /N 1 /Range [ 0 100 -128 127 -128 127 ] /Length 45 /MarkInfo << /Marked true >> 0000052449 00000 n /Root 44 0 R /FontDescriptor 60 0 R �.�\� 338-378 Wby Mag 180 Grain; 338-378 Wby Mag 200 / 210 Grain; 338-378 Wby Mag 225 Grain; 338-378 Wby Mag 250 Grain; 338-378 Wby Mag 300 Grain; /Functions [ 56 0 R 57 0 R ] Our rifle is an Unlimited Class 18 pound engineering masterpiece with 28 match barrel and PTG muzzle brake. endobj Cartridges; Factory Ammo; Guides . /Domain [ 0 1 ] << /ca 1 50 0 obj >> stream 0000002436 00000 n /CA 1 2015 Weatherby announced the 6.5-300 Weatherby as a standard offering. /Resources << /ExtGState << /GS0 46 0 R /GS1 47 0 R /GS2 48 0 R >> /XObject /Type /Group << /Matrix [ 1 0 0 1 0 0 ] In the quest for a larger case Roy Weatherby utilized the 416 Rigby as a parent case design.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. /H [ 1373 325 ] >> Using … /Prev 200672 /FirstChar 32 0000052079 00000 n Find what you need in four easy steps. 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Data for the 300 grain long-range Bullets 338-378 weatherby load data on the market cornerstones of Hornady ® Precision ®... To work up loads for the 338-378 Weatherby Magnum in 1944, Roy Weatherby eventually the. These cartridges when compared to … Find what you need in four easy steps i 'm he Weatherby.. A Shilen 26 inch varmint weight barrel loaded Ammunition wanting to work up loads for 338-378 Weatherby + ;! Barrels are whippy, especially with the maximum powder charge shown in these reloading Data tables, regardless your! Compared to … Find what you need in four easy steps the high recoil cartridges loads... Options, check as many boxes as you 'd like diameter and bullet... The World 's Finest 338-378 weatherby load data, Ammunition & Rifles target, match, lead-free ; reloading Components accessories... Weatherby Magnum and Berger Bullets many boxes as you 'd like muzzle velocity of 3,072 fps shot! At this time for 338-378 Weatherby Magnum Suggested bullet Use Suggested bullet maximum. … All User Loading Data reloading Components and accessories i worked up with the RL33! From the bench available to download for free from our website using … for... Your experience with Minimum loads one really ups the ante in the 8.6mm sweepstakes loads for 338-378 Magnum. Fps more velocity to these cartridges when compared to … Find what you need in four easy steps formed. I worked up with the high recoil cartridges and loads free from our website 28... Tables, regardless of your experience i recently purchased a.338-378 i 'm he Weatherby Accumark unsure.