.375 Weatherby Magnum

Rifle cartridge .375 Weatherby Magnum .375 Weatherby Magnum.JPG 300px .308 Win (left), .375 Weatherby Mag, .30-06 (right) USA Rifle Roy Weatherby 1944 Weatherby 1945 .375 H&H Magnum, .375 Ackley Improved .375 H&H Magnum Belted, bottleneck .375 .368 .402 .492 .512 .532 .051 2.860 3.600 1 in 12 Large rifle 270 2940 5181 300 2800 5223 235 3135 5125 20 in Barnes & Amber The .375 Weatherby Magnum (9.5×73mmB) is a medium-bore rifle cartridge. The cartridge is blown out, improved and provided with the Weatherby double radius shoulder – given the Weatherby treatment – version of the .375 H&H Magnum.Gresham Grits Gresham Tom Weatherby: The Man. The Gun. The Legend. http://weatherby.com/product/accessories/collectibles/40431 Hardback 1st 2007 1992 Cane River Publishing Natchitoches, LA 978-0-944438-02-2 290 2018-11-26 https://web.archive.org/web/20100923043512/http://weatherby.com/product/accessories/collectibles/40431# 2010-09-23 dead Barnes Frank C. Skinner, Stan Cartridges of the World 11th 1965 2006 Gun Digest Books 100 0-89689-297-2 Unlike other improved versions of the .375 H&H Magnum like the .375 Ackley Improved, the .375 Weatherby Magnum is not a wildcat and existed as a proprietary cartridge until the CIP published specifications for the cartridge. History The .375 Weatherby Magnum was designed by Roy Weatherby in South Gate, California, in 1944 and put into production in 1945. The original cases were fire formed from .300 H&H Magnum Winchester brass, then from Richard Speer's 300 Weatherby brass2019-03-26 The Life, Death, and Rebirth of the .375 Weatherby Field & Stream https://www.fieldandstream.com/life-death-and-rebirth-375-weatherby/ https://web.archive.org/web/20190326185736/https://www.fieldandstream.com/life-death-and-rebirth-375-weatherby/ 2019-03-26 www.fieldandstream.com before finally settling with Norma as a source for cases. It was also with Norma that Weatherby finally found a source for loaded ammunition. Production of .375 Weatherby ammunition ceased in 1960 but was reintroduced in 2001 due to demand. Comments The .375 Weatherby was designed as a dangerous game cartridge. The cartridge is able to fire a 300 gr g on bullet at 2800 ft/s m/s on generating a muzzle energy of 5224 ftlbf J on http://www.weatherby.com/product/ammunition/cartridges/40334 .375 Weatherby Magnum Weatherby 6 December 2010 https://web.archive.org/web/20101130145251/http://weatherby.com/product/ammunition/cartridges/40334# 2010-11-30 dead.375 Weatherby Magnum https://www.ballisticstudies.com/Knowledgebase/.375+Weatherby+Magnum.html 2024-08-27 www.ballisticstudies.com with the trajectory of the 30-06 Springfield. This performance level makes it an appropriate all-round African safari cartridge that is usable against plains game species as well. The .375 Weatherby is considered overly powerful for North American game. Design and specifications The .375 Weatherby Magnum is an improved version of the .375 H&H Magnum. The parent case is based on the .300 H&H Magnum blown out and necked up to accept a .375 in mm on. The cartridge features the Weatherby double radius shoulder. The Weatherby Magnum is not considered a proprietary cartridge as the CIP has published specifications for the cartridge. 600px|alt=.375 Weatherby Magnum Schematic|.375 Weatherby Magnum dimensions - All dimensions in inches (mm) CIP recommends a 6 groove barrel with groove width of 3.25 mm in on, a bore Ø of 9.35 mm in on and a groove Ø of 9.55 mm in on. The recommended twist rate is one revolution in 305 mm in on. Case capacity is 105 gr. of water (6.82 cm3). The FreeBore/Leade for this Cartridge is 0.373 thou. as per the Factory Spec's.March 2025 Performance As an improved cartridge the .375 Weatherby Magnum provides a leap in performance over its parent cartridge. The velocity gain over the .375 H&H Magnum works out to be about 240 ft/s m/s on and an increase in maximum point blank range of about 25 yd m on with bullets of equal weight. The .375 Weatherby Magnum fires a 270 gr g on at 2940 ft/s m/s on generating 5181 ftlbf J on and a 300 gr g on at 2800 ft/s m/s on which generates 5224 ftlbf J on. The cartridge generates more energy than factory loads for the .375 Remington Ultra Magnum, .416 Rigby or the .458 Winchester Magnum.October 2023 See also List of cartridges by caliber List of rifle cartridges 9mm caliber References Sources Barnes, Frank C., ed. by John T. Amber. Cartridges of the World. Northfield, IL: DBI Books, 1972. Hornady Handbook of Cartridge Reloading, 7th edition, 2007. Category:Pistol and rifle cartridges Category:Magnum rifle cartridges Category:Weatherby Magnum rifle cartridges