Weatherby, Inc. Win A FDE Barrett M107A1 .50 BMG Rifle w/ EOTech Vudu Scope ($15000 Value!) Magnum 120.0 3079 128.0 3268 378 Weatherby Magnum Suggested Bullet Use 270-grain LRX BT Sectional Density .274 Ballistic Coefficient .449 C.O.A.L 3.650” Suggested Bullet Use Suggested Bullet Use Maximum Loads Should Be Used With Caution - Always Start With Minimum Loads. 9:00 a.m. to 4:00 p.m. (MDT), Written inquires can be mailed to: Thanks for any help; Cobber The following ammunition cartridge ballistics information and chart can be used to approximately compare .300 Weatherby Magnum vs .338 Lapua Magnum ammo rounds. 30-40 Krag Ammo. Powders include Hodgdon, Winchester Weatherby then set about designing a .375 caliber cartridge of extreme power. .300 Weatherby 200 Grain Nosler AccuBond~ Roy Weatherby already had experience with other custom cartridges such as his own .270 Weatherby Magnum when he created the .300 Weatherby. 30-378 Weatherby Magnum Rifle Cartridge. 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. These are the .330 Dakota, .340 Weatherby, .338 Remington Ultra Mag, .338 Lapua Magnum and .338-378 Weatherby. Written inquires can be mailed to: Weatherby, Inc. PO Box 6630 Sheridan, WY 82801 USA The .338-378 shoots a little flatter than the .340 Wby. As the name implies, Weatherby's ultimate .338 is based on a necked-down .378 Weatherby Magnum case. Calculations were corrected to standard temperature (59F/15C) and … Over the next 40 years several commercial .33-caliber rounds appeared, but the .340 Winchester, .338-378 Weatherby and .338 Lapua Magnum kicked even more than the .338 Winchester, the reason for a small but consistent market for milder wildcat .338's. Violate this principle by, for example, chambering a lightweight, short action rifle for a powerful Magnum cartridge like the .300 WSM and the result will be a dramatic increase in kick. Most orders ship within 24 hours (excludes firearms). For examples of what is required, look at the 223 Remington page. In the .33-378 and when used at normal hunting ranges this is a very fast expanding bullet, its core bonding serving to help prevent early jacket core separation, though the bullet may still come apart after initial penetration. Accuracy and terminal performance are the cornerstones of Hornady ® Precision Hunter ® factory loaded ammunition. Ammo Freedom. Sort By: ... .33 Nosler (5).338 Federal (5).338 Lapua Magnum (29).338 Marlin Express (1).338 Ruger Compact Magnum (1).338 RUM (7).338 Win Magnum (24).338-378 Weatherby Magnum (3).340 Weatherby Magnum (2).348 Win (1).35 Rem (7).35 Whelen (11).350 Legend (12).357 lbf) from a rifle chambered for .30-06 Springfield. Look no further for your .378 Weatherby Magnum ammunition! The ballistic performances of the .30-378 WM based off three grain types for velocity are 3,500 ft/s (16… These experiments remained wildcats for almost 30 years until, around 1999, the Weatherby company finally introduced the .338-378 Weatherby Magnum as a commercial cartridge. 30-378 Weatherby Mag 220 gr ELD-X® Precision Hunter® Item #82214 | 20/Box . As the name implies, Weatherby's ultimate .338 is based on a necked-down .378 Weatherby Magnum case. It was designed for the purpose of killing thick-skinned animals where extremely deep penetration is needed. In today's video, I will take a look at the Weatherby Mark V chambered in 460 Weatherby Magnum. Loaded up a 112g Charge of Win 760, and 114g of H4350. Learn how and when to remove this template message, https://en.wikipedia.org/w/index.php?title=.338-378_Weatherby_Magnum&oldid=944179082, Articles needing additional references from September 2007, All articles needing additional references, Creative Commons Attribution-ShareAlike License, This page was last edited on 6 March 2020, at 05:34. The .378 Weatherby Magnum was designed by Roy Weatherby in 1953. 30-378 Weatherby Mag 220 gr ELD-X® Precision Hunter® Item #82214 | 20/Box . The .375 Weatherby Magnum, developed by Roy Weatherby in 1944, is an “improved” version of the .375 H&H, meaning the body taper has been removed to increase powder capacity. Everything from custom, match grade, to bulk plinking ammo can be found at low Midsouth prices. Weatherby's .30-378 is the .378 Weatherby Magnum necked down to .30 caliber and can drive a 180-grain bullet in excess of 3,400 fps. Accuracy was good but vel wasn't impressive. Weatherby Customer Service representatives are available to assist you: Monday through Friday Accuracy and terminal performance are the cornerstones of Hornady ® Precision Hunter ® factory loaded ammunition. Show all Ballistics The basics of ballistic gelatin testing Reloading Show all Reloading A Reloader's Comprehensive Glossary .308 Norma Magnum Load Development Calibers Show all Calibers The excellent 308 Norma Magnum PO Box 6630 Company Directory (307) 675-7800. A true family business operated by third-generation leader Adam Weatherby headquartered in Sheridan, Wyoming. Bulk Ammunition on sale, including 270 Weatherby Mag Rifle Rounds. 30-40 Krag Ammo. Barrel Lengths in the 338/378 Weatherby Magnum January 23, 2015 2:47 am. 30-378 Weatherby Magnum Rifle Cartridge. Using bullets from Berger Match Grade Elite or Match Hybrid OTM. Just because it can be done does not mean it makes sense, despite what you might read in advertising copy. Abbreviated Name: 338-378 Wby Mag Note: Using the bullet weight and muzzle velocity in each cartridge that provided the maximum muzzle energy. Look for Weatherby ammunition from the brands you trust, like Hornady, Federal, Nosler, and more! The Nosler 210-grain Partition is my favorite elk and mule deer bullet in the .338 Win. 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. 308 Winchester 7.62x51 18" Barrel 7.62x51 20" Barrel 30-06 Springfield 300 PRC (NEW) 30-378 Weatherby; 300 H&H Magnum 300 Remington Short Action Utlra Mag 300 Norma Magnum (NEW) 300 Winchester Magnum (NEW) 300 WSM 300 Weatherby Magnum 300 Remington Ultra Magnum (NEW) Please note, the following information reflects the estimated average ballistics for each caliber and does not pertain to a particular manufacturer, bulle 8:00 a.m. to 5:00 p.m. (MDT), Visitor/Service Center Look no further for your.378 Weatherby Magnum rifle cartridge reloading Data with 84 loads 30-378.! Mag ammunition ( 20 Products ) Filter by in 1944, Roy Weatherby eventually formed the that. 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