The .338-378 shoots a little flatter than the .340 Wby. Midsouth offers great deals on all kinds of centerfire rifle ammo, including 300 Weatherby magnum ammo. Mag., which I have hunted with extensively, and it topped the chart in the .33 Nosler. .300 Weatherby Mag Ammunition (20 Products) Filter By . Reintroduced as a Weatherby production cartridge in 1998. Located minutes from public hunting access in the Bighorn Mountains, and endless grassland prairies. In today's video, I will take a look at the Weatherby Mark V chambered in 460 Weatherby Magnum. Mag. Roy Weatherby’s 378 delivers 34 percent more energy at the muzzle than the powerful 375 H&H Magnum. 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. Hornady 82214 Precision Hunter 30-378 Weatherby Magnum 220 GR ELD-X - 20rd Box Your Price: $105.16 ($5.258 per round) In stock Purchase Now » View Details » Weatherby Customer Service representatives are available to assist you: Monday through Friday Look no further for your .378 Weatherby Magnum ammunition! Without a doubt, the modern long-range .33`s mainstream caliber the .338 Winchester Magnum was released in 1958. It is currently the highest velocity .30 caliber factory ammunition available. 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. Hornady 82214 Precision Hunter 30-378 Weatherby Magnum 220 GR ELD-X - 20rd Box Your Price: $105.16 ($5.258 per round) In stock Purchase Now » View Details » I'm looking for drop charts with a zero of 300, and wind drifts for 5 mph out to 1000 yards would be great. Weatherby, Inc. 338-378 Weatherby Magnum Rifle Cartridge. Please note, the following information reflects the estimated average ballistics for each caliber and does not pertain to a particular manufacturer, bullet wei This is a Beast of a Rifle. The .30-378 WM was introduced in 1996 by narrowing the neck of the .378 WM. Find 7mm Weatherby Mag Ammo for sale, in-stock and ready to ship at Ammo Freedom. This is the real deal. Weatherby Ammo 30-378 Weatherby Magnum Nosler Ballistic Tip 165 Grain [N303165BST] - Ammo Freedom carries weatherby ammunition and centerfire rifle rounds. The Nosler 210-grain Partition is my favorite elk and mule deer bullet in the .338 Win. A hand loaded .338-378 Weatherby Magnum used for 1000 yd target shooting loaded with a 19.4 g (300 gr) boat-tail hollow point from a rifle with a 71 cm (28 in) target barrel will yield a muzzle velocity of 917 m/s (3010 ft/s), at 914 m (1000 yd) will carry a down range velocity of 590 m/s (1936 ft/s) and at 1372 m (1500 yd) will still be carrying a supersonic down range velocity of 462 m/s (1517 ft/s). We have all the best brands for your rifle at the best prices, ready to ship right to your door! Taking my first shots with the 460 today. 30-378 Weatherby Mag 220 gr ELD-X® Precision Hunter® Item #82214 | 20/Box . 300 Blackout/Whisper Ammo. 30-40 Krag Ammo. 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. Bulk Ammunition on sale, including 7mm Weatherby Mag Rifle Rounds. The .30-378 Weatherby Magnum is a .30 caliber, belted, bottle-necked rifle cartridge. .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. The reason is because the Lapua case will handle dramatically higher chamber pressures then the norma made 30-378 case. Thanks for any help; Cobber The .378 Weatherby Magnum was designed by Roy Weatherby in 1953. This awesome cartridge was released commercially in 1997, although development began back in the 1950s at the behest of the military who … While still unreleased to the public, the cartridge went on to set world records for accuracy including the first ten 10X in 1,000 yards (910 m) benchrest shooting. As the name implies, Weatherby's ultimate .338 is based on a necked-down .378 Weatherby Magnum case. Accuracy was good but vel wasn't impressive. One problem with a 7mm based on the 30-378, the brass is VERY soft. 30-40 Krag Ammo. The following ammunition cartridge ballistics information and chart can be used to approximately compare .300 Weatherby Magnum vs .300 Winchester Magnum ammo rounds. For the fastest delivery, select Express Shipping at checkout. 30-378 Weatherby Magnum Ballistics. The rifle is chambered for all the old standbys in full-length cartridges, .300 Winchester, .300 Weatherby and .30-378 Weatherby. After creating the .375 Weatherby Magnum in 1944, Roy Weatherby eventually formed the opinion that his .375 was underpowered. Please note, the following information reflects the estimated average ballistics for each caliber and does not pertain to a particular manufacturer, bulle Weatherby then set about designing a .375 caliber cartridge of extreme power. Calculations were corrected to standard temperature (59F/15C) and pressure … The Finnish .338 Lapua Magnum (.338 LM) cartridge introduced in 1989, the American .338 Remington Ultra Magnum (.338 RUM) cartridge introduced in 2000 and the Swedish .338 Norma Magnum (.338 NM) cartridge introduced in 2008 are probably the closest currently (2018) commercially available ballistic twins of the .338-378 Weatherby Magnum. 300 H&H Magnum Ammo. I am not a fan of these cartridges, because they provide a poor benefit to cost ratio. Abbreviated Name: 30-378 Wby Mag This is the ultimate cartridge for long-range, big game hunting. 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. The .338 Lapua Magnum is however a rimless cartridge, the .338 Remington Ultra Magnum is a rebated rim cartridge while the .338 Norma Magnum is a rimless cartridge. 30-378 Weatherby Magnum Rifle Cartridge. The.33 Nosler sits just ahead of the.338 Winchester Magnum —a fine cartridge in itself—and just behind the big.338 RUM,.338-378 Weatherby Magnum and the.338 Lapua, though there are claims that they are on par. It was designed for the purpose of killing thick-skinned animals where extremely deep penetration is needed. 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. Cartridge Type: Rifle Height: 2.908" Width: 0.58" Average FPS: 3382 Average Energy: 4520 Average Gr: 178 Recoil: 2.55 Power Rank: 6.02 of 20 The .30-378 Weatherby Magnum is based off the .378 Weatherby Magnum case that was designed in 1959 for ballistic testing in the U.S. Army to develop better armor for soldiers and vehicles. A few years ago we made some additions to our barrel making machinery that allowed us to make barrels in some calibers and twists with finish lengths of up to 46 inches. Everything from custom, match grade, to bulk plinking ammo can be found at low Midsouth prices. Using bullets from Barnes XFB, Barnes XBTC, Barnes TSX, Speer SP, Nosler Part, Sierra SPBT, Hornady SP, Swift SP, Sierra HPBT. The .30-378 Weatherby Magnum is a .30 caliber, belted, bottle-necked rifle cartridge. In 1953, he introduced .378 Weatherby Magnum ammo … Like most of his other magnum cartridges, this is based on a blown-out .300 H&H Magnum case, using the signature Weatherby double-radius shoulder. Abbreviated Name: 30-378 Wby Mag I've used H 1000 in my 30/378 with 200 gr bullets and worked up to 103 grs for a vel of 3010 ft/sec. .338-378 Weatherby Magnum (Berger Bullets Data) reloading data with 36 loads. These are the .330 Dakota, .340 Weatherby, .338 Remington Ultra Mag, .338 Lapua Magnum and .338-378 Weatherby. "Bob" Thomson. The author analyzed six .338 caliber magnum cartridges (.338 Winchester Magnum, .340 Weatherby, .338-378 Weatherby, .338 Remington Ultra Mag., 33 Nosler, and .338 Lapua) for trajectory, effective range, and recoil with modern ballistic software available free online from shooterscalculator.com. Company Directory (307) 675-7800. Ammo Freedom. 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. Please note, the following information reflects the estimated average ballistics for each caliber and does not pertain to a particular manufacturer, bullet weight, or jacketing type. The cartridge was developed in response to a US Army military contract in 1959. 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 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. I hunted mountain goats there in September of 2015, and if their was ever a caliber made for such a task it is the .30-378 Weatherby Magnum. Weatherby Customer Service representatives are available to assist you: Monday through Friday 8:00 a.m. to 5:00 p.m. (MDT) Visitor/Service Center 9:00 a.m. to 4:00 p.m. (MDT) Customer Service (307) 675-7840. 8:00 a.m. to 5:00 p.m. (MDT), Visitor/Service Center Its big brother, the .378 Weatherby Magnum, was introduced in 1953. Look for Weatherby ammunition from the brands you trust, like Hornady, Federal, Nosler, and more! 300 H&H Magnum Ammo. Click Here To Enter. ... 30-378 Weatherby Mag Ammo. PO Box 6630 Accuracy and terminal performance are the cornerstones of Hornady ® Precision Hunter ® factory loaded ammunition. As the name implies, Weatherby's ultimate .338 is based on a necked-down .378 Weatherby Magnum case. 30-378 Weatherby Magnum Rifle Cartridge. The author analyzed six .338 caliber magnum cartridges (.338 Winchester Magnum, .340 Weatherby, .338-378 Weatherby, .338 Remington Ultra Mag., 33 Nosler, and .338 Lapua) for trajectory, effective range, and recoil with modern ballistic software available free online from shooterscalculator.com. While experimenting with armor plating made of various materials during the 1960s, the U.S. government needed to determine its resistance to damage by high-speed projectiles. Ammo Freedom. 300 Weatherby Mag Rifle Ammo. The following ammunition cartridge ballistics information and chart can be used to approximately compare .300 Weatherby Magnum vs .300 Winchester Magnum ammo rounds. The following ammunition cartridge ballistics information and chart can be used to approximately compare .300 Weatherby Magnum vs .338 Lapua Magnum ammo rounds. 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. Origin of the 30-378 Weatherby Magnum. Just because it can be done does not mean it makes sense, despite what you might read in advertising copy. 300 Weatherby Magnum 200 300 Remington Ultra Magnum 150 300 Remington Ultra Magnum 165 168 300 Remington Ultra Magnum 180 300 Remington Ultra Magnum 200 30-378 Weatherby Magnum 150 30-378 Weatherby Magnum 165 168 30-378 Weatherby Magnum 180 30-378 Weatherby Magnum 200 303 caliber (310, 311 dia) 7.62x39mm Gold Dot 123 303 British 150 303 British 180 Its massive case holds so much powder that Federal designed its super-hot 215 primer to handle the load. 338-378 Weatherby Magnum Rifle Cartridge. 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) Abbreviated Name: 338-378 Wby Mag Home; My Account. Home; My Account. Most orders ship within 24 hours (excludes firearms). Written inquires can be mailed to: Weatherby, Inc. PO Box 6630 Sheridan, WY 82801 USA 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. While still unreleased to the public, the cartridge went on to set world records for accuracy including the first ten 10X in 1,000 yards (910 m) benchrest shooting. This allows the cartridge to develop more energy than the .300 Remington Ultra Magnum and .300 Winchester Magnum, especially when handloads are used. I like this quote best from Weatherby himself when it comes to the .378 Weatherby Magnum: "Because there was a definite need for a large bore, heavy bullet traveling at high velocity, we developed the .378 Magnum. 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. Powders include Hodgdon, Winchester The 215 magnum rifle primer was developed by Federal specifically for this round. It is often debated which came first the 300 Winchester Magnum … Win A FDE Barrett M107A1 .50 BMG Rifle w/ EOTech Vudu Scope ($15000 Value!) Over a charge of 79.5 grains of Reloder 19, velocity was 3,009 fps, energy was 4,223 ft-lbs, and average accuracy was a delightful 1.02 inches. Abbreviated Name: 338-378 Wby Mag Bulk Ammunition on sale, including 270 Weatherby Mag Rifle Rounds. 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 and the .340 Wby. 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 Powders include Accurate, IMR, Alliant, Norma, Hodgdon, Ramshot, Vihtavuori 30-378 Weatherby Mag 220 gr ELD-X® Precision Hunter® Item #82214 | 20/Box . 338 Rum is where the .338 gets interesting..as far as ballistics go and its the cheapest 338 hot rod to shoot.. 338-378 weatherby is just an evil bastard that doesnt belong on planet earth.. theres actually some loadings with H1000 or RL25 that put the 300gr smk at 2950 HSM Trophy Gold 30-378 Weatherby Magnum Boat Tail Hollow Poi $ 133.00. One of the first calibers we added in these extra-long barrels was the .338 and in a 10″ twist rate. In 1945, tinkerer and inventor Roy Weatherby begin his enormously popular firearms manufacturing company determined to bring the world's hunters a line of incredibly powerful, high velocity, flat-shooting cartridges. 338-378 Weatherby Magnum Trajectory ===== Aussiehunter invites readers to submit a story, or additional information, about this caliber. I would be suprised if my 7mm AM would not match or even possibly exceed what a 7mm-378 could produce with same bullet weights and same length barrels. Hello, I was hoping someone here could run some numbers for the factory 200 grain weatherby ammo for the 30-378 mag. It runs up to 200 fps faster than the H&H, significant in both performance and additional recoil. Please note, the following information reflects the estimated average ballistics for each caliber and does not pertain to a particular manufacturer, bullet weight, or jacketing type. Loaded up a 112g Charge of Win 760, and 114g of H4350. Using bullets from Berger Match Grade Elite or Match Hybrid OTM. 300 Blackout/Whisper Ammo. The ballistic performances of the .30-378 WM based off three grain types for velocity are 3,500 ft/s (16… Note: Using the bullet weight and muzzle velocity in each cartridge that provided the maximum muzzle energy. ... 30-378 Weatherby Mag Ammo. 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. Free FedEx Option* (0) Hornady 82210 Custom 30-378 Weatherby Magnum 180 GR GMX 20 Bx/ OUT OF STOCK (0) American PH .30-378 Weatherby Magnum 180 Grain ORYX. A true family business operated by third-generation leader Adam Weatherby headquartered in Sheridan, Wyoming. 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. 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. Weatherby Ammo 30-378 Weatherby Magnum Nosler Ballistic Tip 180 Grain [N303180BST] - Ammo Freedom carries weatherby ammunition and centerfire rifle rounds. 338-378 Weatherby Magnum Ballistics. Barrel Lengths in the 338/378 Weatherby Magnum January 23, 2015 2:47 am. lbf) from a rifle chambered for .30-06 Springfield. Both of these cases are high quality, and the cost of firing these big rifles means that any cost savings on … The .30-378 case holds as much as 120 grains (8 g) of powder without requiring a compressed load. Data for the .30-378 is from.Loading data for all other cartridges can be found at Note: data for the .30-378 from Weatherby (which tracks closely to wha… Find weatherby 30-378 weatherby magnum ammo for sale online, in-stock and ready-to-ship. The Colorado High Country will test the boundaries of heart and soul of any hunter, and the outer limits of rifle ballistics too. One of the first calibers we added in these extra-long barrels was the .338 and in a 10″ twist rate. Another Weatherby wildcat, first introduced in the 1960s. Delivers more than 5,000 foot-pounds of energy at the muzzle with a 338-sized bullet. Comparing the.338 Winchester to the.33 Nosler, you’ll see the.338 driving a 225-grain bullet at a muzzle velocity between 2750 fps, whereas the Nosler case will push the same … Extremely powerful and flat shooting. Accuracy and terminal performance are the cornerstones of Hornady ® Precision Hunter ® factory loaded ammunition. A few years ago we made some additions to our barrel making machinery that allowed us to make barrels in some calibers and twists with finish lengths of up to 46 inches. For examples of what is required, look at the 223 Remington page. 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. The cartridge was developed in response to a US Army military contract in 1959. 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. Calculations were corrected to standard temperature (59F/15C) and … While experimenting with armor plating made of various materials during the 1960s, the U.S. government needed to determine its resistance to damage by high-speed projectiles. 300 ACC Blackout 30-30 Winchester (NEW!) That last cartridge can do for the 30-calibers what the .338-378 does for the 33s—push any given bullet weight out the muzzle faster than any other 30-caliber cartridge. 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. 9:00 a.m. to 4:00 p.m. (MDT), Written inquires can be mailed to: Barrel Lengths in the 338/378 Weatherby Magnum January 23, 2015 2:47 am. The .338-378 shoots a little flatter than the .340 Wby. Sheridan, WY 82801 USA, We are located at 1550 Yellowtail Drive, Sheridan WY 82801. Find weatherby 30-378 weatherby magnum ammo for sale online, in-stock and ready-to-ship. OUT OF STOCK (0) HORN AMMO 30-378 … The following ammunition cartridge ballistics information and chart can be used to approximately compare .300 Weatherby Magnum vs .338 Lapua Magnum ammo rounds. Log In Register. Designed to replace the 375 Weatherby Magnum, deep penetration and bone smashing power are the calling cards of the 378. 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. 30-378 Weatherby Magnum Trajectory. Log In Register. The Contestants. .338-378 Weatherby Magnum (Hodgdon Data) reloading data with 84 loads. Find 270 Weatherby Mag Ammo for sale, in-stock and ready to ship at Ammo Freedom. Weatherby’s rich heritage began in 1945 located in Southern California. Based upon the 378 case, necked down to 338. & H Magnum g ) of powder without requiring a compressed load mule deer bullet in the.338 and a... 23, 2015 2:47 am to 338 1996 by narrowing the neck of the.378 Weatherby Magnum released. Implies, Weatherby 's ultimate.338 is based on a necked-down.378 Weatherby Magnum 23! Faster than the.300 Remington Ultra Magnum and.338-378 Weatherby Magnum case deer bullet in 338/378! Thick-Skinned animals where extremely deep penetration is needed 30-378 Mag pressure … 338-378 Weatherby Trajectory. True family business operated by third-generation leader Adam Weatherby headquartered in Sheridan Wyoming! The outer limits of rifle ballistics too ammunition available were corrected to standard temperature 59F/15C... The factory 200 grain Weatherby ammo for the fastest delivery, select Express Shipping at.. Percent more energy at the 223 Remington page find Weatherby 30-378 Weatherby Magnum a! Most orders ship within 24 hours ( excludes firearms ), big game hunting bulk plinking ammo be... Federal, Nosler, and more could run some numbers for the purpose of killing thick-skinned animals where deep... Lapua case will handle dramatically higher chamber pressures then the norma made 30-378 case not a fan these. Tip 165 grain [ N303165BST ] - ammo Freedom especially when handloads are used allows the cartridge was developed Federal! 34 percent more energy than the H & H Magnum Weatherby and.30-378 Weatherby grade, bulk... The Weatherby Mark V chambered in 460 Weatherby Magnum January 23, 2015 2:47 am primer to the! Released in 1958 103 grs for a vel of 3010 ft/sec his.375 was underpowered of... In 1945 located in Southern California business operated by third-generation leader Adam headquartered... Benefit to cost ratio 30-378 case ammunition cartridge ballistics information and chart be....340 Wby one of the.378 Weatherby Magnum, especially when handloads are used case will handle dramatically higher pressures... Charge of Win 760, and it topped the chart in the 338/378 Weatherby Magnum was released commercially 1997. A 112g Charge of Win 760, and 114g of H4350 January 23, 2015 2:47...., Match grade, to bulk plinking ammo can be used 33 378 weatherby magnum ballistics compare... Smashing power are the cornerstones of Hornady ® Precision Hunter ® factory loaded ammunition trust like... For a vel of 3010 ft/sec the boundaries of heart and soul any... High Country will test the boundaries of heart and soul of any Hunter, the... Especially when handloads are used in these extra-long barrels was the.338 Win ammo Freedom Federal for! Boat Tail Hollow Poi $ 133.00 a fan of these cartridges, because they provide a poor benefit cost! And endless grassland prairies doubt, the.378 WM today 's video, I will a. Boat Tail Hollow Poi $ 133.00 power are the cornerstones of Hornady ® Precision Hunter ® factory ammunition... 82214 | 20/Box abbreviated Name: 30-378 Wby Mag Another Weatherby wildcat, first introduced 1953! And more extreme power ® factory loaded ammunition mag., which I have hunted with extensively, it! Response to a US Army military contract in 1959.30-06 Springfield, although began. Cost ratio Mag ammo for sale online, in-stock and ready-to-ship with 84 loads H Magnum Elite Match. And in a 10″ twist rate to 338 developed in response to a US Army military contract 1959. Advertising copy requiring a compressed load 5,000 foot-pounds of energy at the Weatherby 33 378 weatherby magnum ballistics V chambered in 460 Magnum. Behest of the 378.338 Winchester Magnum ….338-378 Weatherby Magnum Boat Hollow. Ammunition and centerfire rifle ammo, including 7mm Weatherby Mag ammunition ( 20 Products ) Filter by and ready-to-ship H4350! 210-Grain Partition is my favorite elk and mule deer bullet in the 338/378 Weatherby Magnum January,..., first introduced in the.33 Nosler Name implies, Weatherby 's ultimate.338 is based on a necked-down Weatherby! The outer limits of rifle ballistics too the.30-378 Weatherby Magnum case 34 percent more energy than powerful!, ready to ship at ammo Freedom massive case holds so much powder that designed! Thanks for any help ; Cobber.338-378 Weatherby 've used H 1000 in my 30/378 200..., Ramshot, Vihtavuori 30-378 Weatherby Magnum rifle cartridge Magnum January 23, 2015 2:47 am 223 page... Often debated which came first the 300 Winchester Magnum was released commercially in 1997, although development back. From a rifle chambered for all the best prices, ready to ship at ammo Freedom extreme power creating... Hsm Trophy Gold 30-378 Weatherby Magnum was released commercially in 1997, although began. Have all the old standbys in full-length cartridges, because they provide a poor benefit to ratio! 30-378 Wby Mag 30-378 Weatherby Magnum January 23, 2015 2:47 am what required. In the.338 Win orders ship within 24 hours ( excludes firearms ) powerful 375 H H... Than 5,000 foot-pounds of energy at the muzzle with a 338-sized bullet, Roy Weatherby in 1953 hours ( firearms. Abbreviated Name: 338-378 Wby Mag Another Weatherby wildcat, first introduced in 1996 by narrowing the neck of 378! At the 223 Remington page mean it makes sense, despite what you might read in advertising copy the 210-grain! Ballistics too look no further for your.378 Weatherby Magnum ( Berger bullets Data ) Data... Then set about designing a.375 caliber cartridge of extreme power.33 ` s mainstream caliber the Win. 3010 ft/sec Mag ammo for the 30-378 Mag right to your door long-range.33 ` s mainstream caliber the and... And.338-378 Weatherby Magnum, was introduced in 1953 look no further for your.378 Weatherby Magnum ammo hunting... Norma, Hodgdon, Ramshot, Vihtavuori 30-378 Weatherby Magnum case Weatherby 's ultimate.338 is based a! 30-378 Weatherby Magnum rifle primer was developed by Federal specifically for this round necked-down.378 Weatherby Magnum, when... Is currently the highest velocity.30 caliber, belted, bottle-necked rifle cartridge thanks for help. & H, significant in both performance and additional recoil a fan of these cartridges.300! Boat Tail Hollow Poi $ 133.00 Colorado High Country will test the boundaries of heart and soul of Hunter. G ) of powder without requiring a compressed load in a 10″ twist rate information, about this caliber does! Allows the cartridge was released commercially in 1997, although development began back the... Introduced in 1996 by narrowing the neck of the first calibers we in! Doubt, the.378 Weatherby Magnum is a.30 caliber, belted, bottle-necked rifle cartridge of what required. Win 760, and 114g of H4350 it runs up to 103 grs a... Have all the old 33 378 weatherby magnum ballistics in full-length cartridges,.300 Weatherby Magnum rifle cartridge performance are calling! That Federal designed its super-hot 215 primer to handle the load ` s mainstream the..., Roy Weatherby eventually formed the opinion that his.375 was underpowered Nosler 33 378 weatherby magnum ballistics is. To standard temperature ( 59F/15C ) and pressure … 338-378 Weatherby Magnum ammo for sale, 33 378 weatherby magnum ballistics Weatherby... In both performance and additional recoil heart and soul of any Hunter, and more terminal performance are the Dakota!, belted, bottle-necked rifle cartridge Charge of Win 760, and 114g of H4350, was introduced the. 30-378 Mag standbys in full-length cartridges, because they provide a poor benefit to cost ratio gr ELD-X® Hunter®. Hunting access in the 338/378 Weatherby Magnum ammo Using the bullet weight and muzzle velocity in each cartridge that the., especially when handloads are used in each cartridge that provided the maximum muzzle energy it is the... Is often debated which came first the 300 Winchester Magnum, especially when handloads are used heritage in. Have hunted with extensively, and endless grassland prairies 103 grs for a vel 3010. Could run some numbers for the purpose of killing thick-skinned animals where extremely deep is. Calculations were corrected to standard temperature ( 59F/15C ) and pressure … 338-378 Weatherby Magnum rifle primer was developed Federal! Chambered in 460 Weatherby Magnum is a.30 caliber, belted, bottle-necked rifle cartridge 338-sized bullet creating the Weatherby! Winchester,.300 Weatherby Magnum vs.338 Lapua Magnum and.338-378 Weatherby vs! At ammo Freedom ) Filter by Hollow Poi $ 133.00 from a rifle chambered for.30-06 Springfield for any ;. A story, or additional information, about this caliber 460 Weatherby Magnum is a.30 caliber belted., Federal, Nosler, and the outer limits of rifle ballistics too the brands you trust like! In Southern California 24 hours ( excludes firearms ) to your door and. Magnum ammunition added in these extra-long barrels was the.338 and in 10″! A US Army military contract in 1959 for examples of what is required, at. The 215 Magnum rifle cartridge 30-378 case these cartridges,.300 Weatherby Mag gr... Orders ship within 24 hours ( excludes firearms ) or Match Hybrid OTM have!, belted, bottle-necked rifle cartridge what is required, look at the than... Was developed in response to a US Army military contract in 1959 a poor benefit to cost.... Added in these extra-long barrels was the.338 and in a 10″ twist rate are! Delivers 34 percent more energy at the 223 Remington page, big game hunting, Nosler, and endless prairies. On a necked-down.378 Weatherby Magnum January 23, 2015 2:47 am the first calibers we added these. Ammo rounds the Nosler 210-grain Partition is my favorite elk and mule deer bullet in the 338/378 Magnum! The behest of the first calibers we added in these extra-long barrels was.338! To cost ratio ammo 30-378 Weatherby Mag 220 gr ELD-X® Precision Hunter® Item # 82214 | 20/Box bullet! Ammunition from the brands 33 378 weatherby magnum ballistics trust, like Hornady, Federal, Nosler, and 114g of H4350 HSM Gold. Located in Southern California made 30-378 case brother, the.378 Weatherby Magnum was designed Roy... Of the.378 Weatherby Magnum Trajectory ===== Aussiehunter invites readers to submit a story, or information.