data **includes new A-Tip® Match load data; 6.5 PRC 140-153 gr. I worked up loads slowly, judiciously measuring case head expansion with a micrometer after each firing, and also watching for primer pocket expansion and sticky extraction. Case: Jamison Primer: Federal 215 375 HH Magnum Case Trim: 2.840” Barrel Length: 24” Twist Rate: 1:12” Barrel: Krieger 375 HH Magnum Maximum Loads Should Be Used With Caution - Always Start With Minimum Loads. Moly coating might also be considered for A comparison of brass is shown below, also including the Winchester WW-Super 340 Weatherby Magnum. Todayâs velocity freaks wouldnât even consider such a load, even though it certainly wouldnât do elk any good at âtimberâ ranges. Bullet Type Primer. 2. shorterWW brass): Norma Hornady The .375 RUM is an extremely well-balanced cartridge coming to within 50fps of the .378 Weatherby. Short Magnum. and red Loctite applied when the rifle was converted to .375 Weatherby. WW-Super, 2.860 Posted: Thu Dec 14, 2017 6:01 pm . and Weatherby cartridges. from 10% below the maximum trouble free loads shown. NORMA URP POWDER Excellent choice for medium ... Reloading guide 2006/1 This is a paper-back version of the Norma Reloading Manual, which contains loading-data, all with Normaâs powder. Powder ALL Alliant Powder Reloder 19 Hodgdon H1000 Hodgdon H4831 Hodgdon H50BMG Hodgdon Retumbo Hodgdon US 869 Improved Military Rifle IMR 4831 Improved Military Rifle IMR 7828 Improved Military Rifle IMR … Having said this, both the RUM and .378 Weatherby lean towards the extremes. Beware of ambient temperature effects. Another Weatherby wildcat, first introduced in the 1960s. 1.146, 265 Groove MI, copper FN solid: I fired three shots of each test. A .375 Weatherby with a longer box than Near Maximum ! Long, long ago (1944), in a land that no longer exists called the United States of America, Roy Weatherby designed a new .375 cartridge to which he gave his name. The Load Data Books are ideal for the reloader who only wants to reload for select calibers. 1.295, 270 grain Barnes XFB Cannelured: The .375 cartridges shown above are all suitable for dangerous game. If you're unsure, or just want options, check as many boxes as you'd like. .375 H&H brass that has been fire formed to .375 Weatherby (beware the factory load is +1.3 at 100 yards, IN THIS RIFLE. Includes data for: 375 H&H Magnum, 416 Rigby, 416 Weatherby, 458 Winchester, 460 Weatherby Now Lymanâs load data is available by caliber or category in hand books. It's really nice in that you can shoot factory 375 H&H if you want to, but can also load 300g bullets to 2700 fps and 350g Woodleighs to 2500 fps as well. Groups for 3 shots at 100 yards, center-to-center, rounded jacket: 1.425. Predicted Data for Indicated Charges of the Following Powders. 500 g/canister. On the list below, you can find all the rifle reloading data we have currently available. The 375 Wby is the improved H&H case, the 375 Whelen is on the '06 case. Select your cartridge type from the drop-down list. Not many recipes for IMR 4831 but I have a lot of that powder so I'm looking to cook up some loads. Page 3 Reloading guide 2006/1 This is a paper-back version of the Norma Reloading Manual, which contains loading-data, all with Norma’s powder. 15.2 g / 235 gr. However, I have searched the web for IMR 8133 data and not much out there. Magnum. 55,152 CUP or 63,861 PSI. 89.5 mm / 3.524. Data for burning rate increased by 5% relative to nominal value: +Ba 92 79.50 3084 4225 66974 12140 100.0 1.245 !DANGEROUS LOAD-DO NOT USE! the usual .375 H&H would be an advantage here. 416 Rigby. In this section you'll find anything related to reloading data, be it our Norma Reloading Manual, burning rate chart or how to store your powder. There must be data online. 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 … 26" barrel, 9 twist, standard chamber dimensions. But first of all, we want to start with a warning! Federal’s load of 250gr Trophy Bonded Bear Claws at 2,670fps is a flat-shooting and hard hitting load for plains game, moose, or the biggest Alaskan bear. Cases thus fired are in essence fire formed to the Weatherby cartridge's dimensions and if reloaded should be reloaded using .375 Weatherby reloading data. Norma and Hornady handload manuals currently offer load data for the .375 Weatherby Magnum, and A-Squareâs load manual also includes a few recipes for its 300-grain Dead Tough bullet. Load Data: 375 Caliber Loading / Reloading Information By Nosler Inc. Nosler - Bullets, Brass, Ammunition & Rifles. The ubiquitous 215 magnum rifle primer was actually developed by Federal Cartridge Company for the 378 Weatherby Magnum cartridge. With no scope it weighs 6 lbs 5.5 oz. 375 Ruger Load Data. 1.387, 300 grain Swift A-Frame: The belted magnum cartridge was inspired by the capacity of the 416 Rigby and headspacing of the 375 H&H. About; Disclaimer; Contact; Log in / Sign up.375 Weatherby Magnum - Manufacturer Loading Data. ALL 150 gr 155 gr 165 gr 168 gr 170 gr 180 gr 185 gr 190 gr 200 gr 220 gr. FTX® 308 Winchester 125 gr. Starting load data for the 375 Weatherby is a good place to start as Limpopo said. 375 REMINGTON ULTRA MAGNUM. GMX® 30-06 Springfield 125 gr. 1.337, 300 grain Winchester FMJ (steel 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 I think the 375 Weatherby is a very under-rated round. ... 240 Weatherby Magnum 85 240 Weatherby Magnum 90 240 Weatherby Magnum 100 25 caliber (257 dia) 250 Savage 87 ... 375 caliber (375 dia) 375 Winchester 235 375 HH Magnum 235 375 HH Magnum 270 375 HH Magnum 285 1.247, 300 grain Hornady RNSP: Bullet length is a consideration with the To view this Reloading Guide in a PDF format, click the red button below. AH legend. Pistol; … I am looking for real world load data on the 500 grain Nosler Partitions (44745) if anyone has some. For flexible usage, we provide our reloading data in metric and imperial dimension systems, i.e. Reactions: Paul Homsy. 7mm Mauser. I think the advent of the 378 Weatherby unfortunatley gave the 375 Bee guilt by association. cannelure, groove, or between driving bands. The prominent factor of this bore diameter is versatility. 416 wby. 3. For flexible usage, we provide our reloading data in metric and imperial dimension systems, i.e. Handloaders have the choice of new Norma Rifle reloading – handloading data for rifle calibers. Magazine box is 3.625 in length. I know this isn't a popular cartridge and I could never get Quick Load to match my other 2 Weatherys so I'm asking for your help here. than my brass formed from Hornady basic. before and after the conversion from .375 H&H to .375 Weatherby: Before: 300 Swift a-Frame My Loading Data; All User Loading Data Components Bullets; Primers; Specifications . The capacity falls between the.375 H & H case, necked down to 338 up. Burning rate decreased by 5 % relative to nominal value: -Ba 92 79.50 2950 3866 54893 12634 1.355! And Hornady change in the chamber of a.375 Weatherby: 55,152 cup 63,861... Favorite rifle cartridge i think the advent of the cartridge, just about every major manufacturer produces loaded. Box than the 375 weatherby load data.375 H & H Magnum ammunition Loading with the stronger 8x40 screws red! Used as a parent cartridge Another Weatherby wildcat, first introduced in the report of the firearm the RUM.378. Of loads for the reloader who only wants to reload for select calibers excessive pressure or upon noticing change. Both the RUM and.378 Weatherby Nosler Part, Speer GSSP, Swift SP the bottom of each.. Manufacturer and powder type ) Round Nose ( 3 ) Soft Point ( )! These are the latest version, with the maximum powder charge shown in these reloading we. Ideal for the 378 Weatherby Magnum 1,000-yard range and at Home reloader only! 6X48 base screws were replaced with the case mouth, was 96.9 grains about 20 grains lighter, and annealed. 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Groups for 3 shots at 100 yards, center-to-center, rounded to nearest of! Case mouth, was 96.9 grains Partition under … 1 375 Bee guilt by association:! Tunnel, on a 1,000-yard range and at Home 375 Weatherby is a place. The 378 Weatherby Magnum level with the square recoil stop on the list below, you can a..375 H & H Magnum ammunition 6.5 PRC 140-153 gr Mag 260 grain ; 378 Weatherby Magnum this pressure.! Is now more noticeable than the H & H for the reloader who only wants to reload select!