The cartridge generates bullet velocities approaching 3,000 feet per second and muzzle energies nearing 6,000 foot pounds. TROPHY GRADE Long Range 30-378 WEATHERBY MAGNUM AMMUNITION . .30-378 Weatherby Magnum Ammunition (10 Products) Filter By . *Casing image above is an artist rendering and not a real photo of .378 Weatherby Magnum Ballistics cartridge. 300 H&H Magnum Ammo. .378 Weatherby Magnum-Nosler Partition, .378 Weatherby Magnum-Weatherby Full Metal Jacket, .378 Weatherby Magnum-Weatherby Barnes TSX, .378 Weatherby Magnum-Nosler Partition, .378 Weatherby Magnum-Nosler AccuBond, .378 Weatherby Magnum-A2 Triad, .378 Weatherby Magnum-Weatherby Round Nose-Expanding, .378 Weatherby Magnum-Weatherby Pointed Expanding. It was designed for the purpose of killing thick-skinned animals where extremely deep penetration is needed. 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. Caliber/Gauge: 30-378 Weatherby Magnum. The following ammunition cartridge ballistics information and chart can be used to approximately compare .300 Weatherby Magnum vs .338 Lapua Magnum ammo rounds. This white-hot cartridge is based on the 378 … Weatherby Select & Select Plus Ammunition - Duration: ... Remington 700 .300 Weatherby Magnum Recoil - Duration: 4:30. The cartridge generates bullet velocities approaching 3,000 feet per second and muzzle energies nearing 6,000 foot pounds. Ammunition ; Rifle ; 30-378 Weatherby Mag; View as Grid List. COMPARE RESET ... HSM Trophy Gold 30-378 Weatherby Magnum Boat Tail Hollow Poi $ 133.00. The belted magnum cartridge was inspired by the capacity of the 416 Rigby and headspacing of the 375 H&H. 338-378 Weatherby Magnum Rifle Cartridge. As a young wildcatter, he revolutionized the industry with his fast, hard-hitting loads that were dead-on accurate. Caliber/Gauge: 30-378 Weatherby Magnum. Sort By: 10 Item(s) Show. The 7mm Weatherby Magnum is based off the .300 H&H Magnum case and has the double radius shoulder that Weatherby is known for in its cartridges. Look no further for your .378 Weatherby Magnum ammunition! The 215 magnum rifle primer was developed by Federal specifically for this round. Chambered for 30-378 Weatherby Magnum is Not offered at this time. Reintroduced as a Weatherby production cartridge in 1998. How to Sight in a Scope - Step by Step Guide. The ballistic performances of the .30-378 WM based off three grain types for velocity are 3,500 ft/s (16… The .338-378 Weatherby Magnum started out as the wildcat cartridge, .338-378 Keith-Thomson Magnum during the early 1960s.Keith and Thomson are Elmer Keith and R.W. Ultra-high velocity, magnum ammunition is how Roy Weatherby got started in the 1940s. Rifles from manufacturers such as the RemingtonModel 700, Winchester Model 70, and Ruger No. "Bob" Thomson. Weatherby Select Plus Ammunition, 300 Weatherby, 180 Grain, Barnes Tipped Triple Shock X, 20 Round Box B300180TTSX. Bulk Ammunition on sale, including 338-378 Weatherby Mag Rifle Rounds. 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. 338-378 Weatherby Magnum Suggested Bullet Use Suggested Bullet Use 250-grain LRX BT Sectional Density .313 Ballistic Coefficient .602 C.O.A.L 3.750” 250-grain TSX FB Sectional Density .313 Ballistic Coefficient .425 C.O.A.L 3.720” Maximum Loads Should Be Used With Caution - Always Start With Minimum Loads. The .378 Weatherby Magnum was designed by Roy Weatherby in 1953. © Copyright GunData.org 2015  |  Koenig Media, LLC   |   Links   |   Sitemap   |   Advertise. 1 are able to use the .300 W… 378 Weatherby Mag ammo cartridges typically feature bullets ranging from 200 grain to 300 grain, in both soft points and solid points. The following ammunition cartridge ballistics information and chart can be used to approximately compare .300 Weatherby Magnum vs .300 Winchester Magnum ammo rounds. 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. Ammo Freedom. The parent case is a .300 H&HMagnum by expanding it to maximum capacity. ... 30-378 Weatherby Mag Ammo. Designed to replace the 375 Weatherby Magnum, deep penetration and bone smashing power are the calling cards of the 378. .30-378 Weatherby Magnum Ammunition (10 Products) Filter By . Need Help Filtering. The original .378 Weatherby Magnum parent case was inspired by the .416 Rigby. The.338-378 Weatherby Magnum was added to the Weatherby product line in 1998. Company Directory (307) 675-7800. 30-40 Krag Ammo. Both of these cases are high quality, and the cost of firing these big rifles means that any cost savings on … In Stock Item #: WYU378WBY $3.65 per round Volume Discounts Available . The .378 Weatherby outshone the former cartridge and by 1960 the .375, though very … [13], Any Shot You Want, The A-Square Handloading Manual, pp. This cartridge is highly effective for long range shooting. Abbreviated Name: 338-378 Wby Mag per page . 300 Blackout/Whisper Ammo. 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. 30-40 Krag Ammo. Cartridge Type: RifleHeight: 2.811\"Width: 0.532\"Average FPS: 3229Average Energy: 4074Average Gr: 176Recoil: 2.63Power Rank: 5.68 of 20 The .300 Weatherby Magnum was designed by Roy Weatherby in 1944. We have all the best brands for your rifle at the best prices, ready to ship right to your door! 30-378 Weatherby Magnum Ammunition For Sale. 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. In Stock Item #: WYU378WBY $3.65 per round Volume Discounts Available . Written inquires can be mailed to: Weatherby, Inc. PO Box 6630 Sheridan, WY 82801 USA Sort By: 10 Item(s) Show. Free FedEx Option* (0) Hornady 82210 Custom 30-378 Weatherby Magnum 180 GR GMX 20 Bx/ ... 30-378 Weatherby Mag Ammo. The.338-378 Weatherby Magnum is created by necking down the.378 Weatherby Magnum to 8.59 mm (.338 in) then fire forming it … 30-378 Weatherby Magnum The.378 Weatherby cartridge was developed by Roy Weatherby based on a belted version of the massive 416 Rigby case necked down to.375”. For the hunting of … Reloading data for 30-378 Weatherby Magnum is Not offered at this time born... Industry with his love of breaking the 3000fps barrier, he went on to create the potent.378 Weatherby the. Use: Deer / Elk / Moose Sized game hard-hitting loads that were accurate... | Koenig Media, LLC | Links | Sitemap | Advertise ) length case - Duration: 4:30 factory.. 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