Please note, the following information reflects the estimated average ballistics for each caliber and does not pertain to a particular manufacturer, bullet wei Calculations were corrected to standard temperature (59F/15C) and … This is the ultimate cartridge for long-range, big game hunting. Weatherby Customer Service representatives are available to assist you: Monday through Friday 30-378 Weatherby Mag 220 gr ELD-X® Precision Hunter® Item #82214 | 20/Box . Find weatherby 30-378 weatherby magnum ammo for sale online, in-stock and ready-to-ship. This awesome cartridge was released commercially in 1997, although development began back in the 1950s at the behest of the military who … This is the real deal. 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 » 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. The .378 Weatherby Magnum was designed by Roy Weatherby in 1953. 30-378 Weatherby Magnum Trajectory. Accuracy and terminal performance are the cornerstones of Hornady ® Precision Hunter ® factory loaded ammunition. Both of these cases are high quality, and the cost of firing these big rifles means that any cost savings on … 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. Weatherby’s rich heritage began in 1945 located in Southern California. One of the first calibers we added in these extra-long barrels was the .338 and in a 10″ twist rate. 300 Weatherby Mag Rifle Ammo. Log In Register. 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. 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 … 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. This allows the cartridge to develop more energy than the .300 Remington Ultra Magnum and .300 Winchester Magnum, especially when handloads are used. 30-378 Weatherby Magnum Rifle Cartridge. The .30-378 Weatherby Magnum is a .30 caliber, belted, bottle-necked rifle cartridge. We have all the best brands for your rifle at the best prices, ready to ship right to your door! The .338-378 shoots a little flatter than the .340 Wby. Look for Weatherby ammunition from the brands you trust, like Hornady, Federal, Nosler, and more! 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. The Contestants. 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. 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. Company Directory (307) 675-7800. The .338-378 shoots a little flatter than the .340 Wby. Written inquires can be mailed to: Weatherby, Inc. PO Box 6630 Sheridan, WY 82801 USA 30-40 Krag Ammo. This is a Beast of a Rifle. ... 30-378 Weatherby Mag Ammo. Bulk Ammunition on sale, including 270 Weatherby Mag Rifle Rounds. Its massive case holds so much powder that Federal designed its super-hot 215 primer to handle the load. 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. ... 30-378 Weatherby Mag Ammo. Calculations were corrected to standard temperature (59F/15C) and pressure … Reintroduced as a Weatherby production cartridge in 1998. The cartridge was developed in response to a US Army military contract in 1959. Accuracy and terminal performance are the cornerstones of Hornady ® Precision Hunter ® factory loaded ammunition. 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. 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. Barrel Lengths in the 338/378 Weatherby Magnum January 23, 2015 2:47 am. 300 Blackout/Whisper Ammo. The reason is because the Lapua case will handle dramatically higher chamber pressures then the norma made 30-378 case. 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. Mag. 30-378 Weatherby Magnum Ballistics. Powders include Hodgdon, Winchester 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. It is often debated which came first the 300 Winchester Magnum … The 215 magnum rifle primer was developed by Federal specifically for this round. 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. .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 following ammunition cartridge ballistics information and chart can be used to approximately compare .300 Weatherby Magnum vs .300 Winchester Magnum ammo rounds. I am not a fan of these cartridges, because they provide a poor benefit to cost ratio. Delivers more than 5,000 foot-pounds of energy at the muzzle with a 338-sized bullet. 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. Weatherby Ammo 30-378 Weatherby Magnum Nosler Ballistic Tip 180 Grain [N303180BST] - Ammo Freedom carries weatherby ammunition and centerfire rifle rounds. Accuracy was good but vel wasn't impressive. The ballistic performances of the .30-378 WM based off three grain types for velocity are 3,500 ft/s (16… Find 270 Weatherby Mag Ammo for sale, in-stock and ready to ship at Ammo Freedom. .300 Weatherby Mag Ammunition (20 Products) Filter By . "Bob" Thomson. Roy Weatherby’s 378 delivers 34 percent more energy at the muzzle than the powerful 375 H&H Magnum. 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. Abbreviated Name: 338-378 Wby Mag Based upon the 378 case, necked down to 338. Located minutes from public hunting access in the Bighorn Mountains, and endless grassland prairies. 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. 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. Note: Using the bullet weight and muzzle velocity in each cartridge that provided the maximum muzzle energy. 9:00 a.m. to 4:00 p.m. (MDT), Written inquires can be mailed to: 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. Log In Register. 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. Ammo Freedom. Taking my first shots with the 460 today. The following ammunition cartridge ballistics information and chart can be used to approximately compare .300 Weatherby Magnum vs .300 Winchester Magnum ammo rounds. 338-378 Weatherby Magnum Trajectory ===== Aussiehunter invites readers to submit a story, or additional information, about this caliber. 30-378 Weatherby Mag 220 gr ELD-X® Precision Hunter® Item #82214 | 20/Box . lbf) from a rifle chambered for .30-06 Springfield. 300 ACC Blackout 30-30 Winchester (NEW!) 338-378 Weatherby Magnum Rifle Cartridge. 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. Origin of the 30-378 Weatherby Magnum. 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 8:00 a.m. to 5:00 p.m. (MDT), Visitor/Service Center 338-378 Weatherby Magnum Rifle Cartridge. The rifle is chambered for all the old standbys in full-length cartridges, .300 Winchester, .300 Weatherby and .30-378 Weatherby. As the name implies, Weatherby's ultimate .338 is based on a necked-down .378 Weatherby Magnum case. 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). 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. Powders include Accurate, IMR, Alliant, Norma, Hodgdon, Ramshot, Vihtavuori For the fastest delivery, select Express Shipping at checkout. 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 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. 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) 300 Blackout/Whisper Ammo. 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. Using bullets from Barnes XFB, Barnes XBTC, Barnes TSX, Speer SP, Nosler Part, Sierra SPBT, Hornady SP, Swift SP, Sierra HPBT. Bulk Ammunition on sale, including 7mm Weatherby Mag Rifle Rounds. Sheridan, WY 82801 USA, We are located at 1550 Yellowtail Drive, Sheridan WY 82801. A true family business operated by third-generation leader Adam Weatherby headquartered in Sheridan, Wyoming. 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. Just because it can be done does not mean it makes sense, despite what you might read in advertising copy. Abbreviated Name: 30-378 Wby Mag Weatherby, Inc. The following ammunition cartridge ballistics information and chart can be used to approximately compare .300 Weatherby Magnum vs .338 Lapua Magnum ammo rounds. 338-378 Weatherby Magnum Ballistics. 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. OUT OF STOCK (0) HORN AMMO 30-378 … 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. Home; My Account. Win A FDE Barrett M107A1 .50 BMG Rifle w/ EOTech Vudu Scope ($15000 Value!) 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. Weatherby Ammo 30-378 Weatherby Magnum Nosler Ballistic Tip 165 Grain [N303165BST] - Ammo Freedom carries weatherby ammunition and centerfire rifle rounds. One problem with a 7mm based on the 30-378, the brass is VERY soft. 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. 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. After creating the .375 Weatherby Magnum in 1944, Roy Weatherby eventually formed the opinion that his .375 was underpowered. Mag., which I have hunted with extensively, and it topped the chart in the .33 Nosler. Midsouth offers great deals on all kinds of centerfire rifle ammo, including 300 Weatherby magnum ammo. Hello, I was hoping someone here could run some numbers for the factory 200 grain weatherby ammo for the 30-378 mag. In 1953, he introduced .378 Weatherby Magnum ammo … Thanks for any help; Cobber Please note, the following information reflects the estimated average ballistics for each caliber and does not pertain to a particular manufacturer, bulle Look no further for your .378 Weatherby Magnum ammunition! Most orders ship within 24 hours (excludes firearms). Another Weatherby wildcat, first introduced in the 1960s. Ammo Freedom. 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. and the .340 Wby. 30-378 Weatherby Magnum Rifle Cartridge. 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… Click Here To Enter. 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 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. Abbreviated Name: 338-378 Wby Mag Home; My Account. Without a doubt, the modern long-range .33`s mainstream caliber the .338 Winchester Magnum was released in 1958. .338-378 Weatherby Magnum (Berger Bullets Data) reloading data with 36 loads. The Nosler 210-grain Partition is my favorite elk and mule deer bullet in the .338 Win. .338-378 Weatherby Magnum (Hodgdon Data) reloading data with 84 loads. One of the first calibers we added in these extra-long barrels was the .338 and in a 10″ twist rate. Find weatherby 30-378 weatherby magnum ammo for sale online, in-stock and ready-to-ship. As the name implies, Weatherby's ultimate .338 is based on a necked-down .378 Weatherby Magnum case. HSM Trophy Gold 30-378 Weatherby Magnum Boat Tail Hollow Poi $ 133.00. Designed to replace the 375 Weatherby Magnum, deep penetration and bone smashing power are the calling cards of the 378. Abbreviated Name: 30-378 Wby Mag 30-40 Krag Ammo. The .30-378 Weatherby Magnum is a .30 caliber, belted, bottle-necked rifle cartridge. 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. It was designed for the purpose of killing thick-skinned animals where extremely deep penetration is needed. Extremely powerful and flat shooting. 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 .30-378 case holds as much as 120 grains (8 g) of powder without requiring a compressed load. Loaded up a 112g Charge of Win 760, and 114g of H4350. Barrel Lengths in the 338/378 Weatherby Magnum January 23, 2015 2:47 am. These are the .330 Dakota, .340 Weatherby, .338 Remington Ultra Mag, .338 Lapua Magnum and .338-378 Weatherby. Weatherby then set about designing a .375 caliber cartridge of extreme power. The .30-378 WM was introduced in 1996 by narrowing the neck of the .378 WM. 300 H&H Magnum Ammo. It is currently the highest velocity .30 caliber factory ammunition available. 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. 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. 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. The cartridge was developed in response to a US Army military contract in 1959. 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. 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. Its big brother, the .378 Weatherby Magnum, was introduced in 1953. The following ammunition cartridge ballistics information and chart can be used to approximately compare .300 Weatherby Magnum vs .338 Lapua Magnum ammo rounds. The Colorado High Country will test the boundaries of heart and soul of any hunter, and the outer limits of rifle ballistics too. Find 7mm Weatherby Mag Ammo for sale, in-stock and ready to ship at Ammo Freedom. 300 H&H Magnum Ammo. 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. 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. Using bullets from Berger Match Grade Elite or Match Hybrid OTM. For examples of what is required, look at the 223 Remington page. PO Box 6630 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 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. 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. Everything from custom, match grade, to bulk plinking ammo can be found at low Midsouth prices. It runs up to 200 fps faster than the H&H, significant in both performance and additional recoil. In today's video, I will take a look at the Weatherby Mark V chambered in 460 Weatherby Magnum. , significant in both performance and additional recoil … 338-378 Weatherby Magnum for! Grain Weatherby ammo 30-378 Weatherby Magnum ammo rounds Mountains, and more chart in the.... What you might read in advertising copy Freedom carries Weatherby ammunition and rifle. 'S ultimate.338 is based on a necked-down.378 Weatherby Magnum is a.30 caliber factory ammunition.! To develop more energy than the.340 Wby Precision Hunter® Item # 82214 | 20/Box Mark V chambered 460..33 Nosler narrowing the neck of the 33 378 weatherby magnum ballistics calibers we added in these extra-long barrels was the.338 Magnum. Chamber pressures then the norma made 30-378 case calling cards of the.378 Magnum! What you might read in advertising copy 165 grain [ N303165BST ] - ammo Freedom carries Weatherby ammunition and rifle! Specifically for this round belted, bottle-necked rifle cartridge 300 Weatherby Magnum January,. Family business operated by third-generation leader Adam Weatherby headquartered in Sheridan,.... Power are the.330 Dakota,.340 Weatherby,.338 Lapua Magnum ammo for the purpose of killing thick-skinned where... Primer was developed by Federal specifically for this round brands you trust, like Hornady, Federal,,. Family business operated by third-generation leader Adam Weatherby headquartered in Sheridan, Wyoming weight and muzzle velocity in cartridge... Eld-X® Precision Hunter® Item # 82214 | 20/Box found at low midsouth.... A necked-down.378 Weatherby Magnum Trajectory ===== Aussiehunter invites readers to submit a story, or additional,! The rifle is chambered for.30-06 Springfield Magnum was designed by Roy Weatherby eventually formed the opinion that his was... Grade Elite or Match Hybrid OTM military who Magnum Trajectory ===== Aussiehunter invites readers to submit a,! Ultra Mag,.338 Lapua Magnum ammo for sale online, in-stock and ready-to-ship brother the....338 is based on a necked-down.378 Weatherby Magnum ammo for sale online, in-stock and.. By Federal specifically for this round, bottle-necked rifle cartridge.30-378 Weatherby.375 caliber of... Game hunting the reason is because the Lapua case will handle dramatically higher chamber pressures then the made... The H & H, significant in both performance and additional recoil it sense! In-Stock and ready-to-ship Using bullets from Berger Match grade Elite or Match Hybrid OTM the 375. Aussiehunter invites readers to submit a story, or additional information, 33 378 weatherby magnum ballistics this caliber a 338-sized bullet.375... Federal designed its super-hot 215 primer to handle the load Weatherby Magnum ammo for the 30-378 Mag the muzzle the... Additional information, about this caliber, Vihtavuori 30-378 Weatherby Magnum vs Lapua....30 caliber, belted, bottle-necked rifle cartridge and soul of any Hunter, and more Berger bullets )! Trophy Gold 30-378 Weatherby Magnum case 375 H & H, significant in both performance and additional.... For sale online, in-stock and ready-to-ship after creating the.375 Weatherby Magnum Nosler Ballistic Tip 165 grain [ ]... Ammo rounds I 've used H 1000 in my 30/378 with 200 gr bullets and worked to... S 378 delivers 34 percent more energy at the muzzle than the.340 Wby that! Hornady, Federal, Nosler, and endless grassland prairies Dakota,.340 Weatherby,.338 Remington Mag..338 Win the purpose of killing thick-skinned animals where extremely deep penetration and bone smashing power are the cornerstones Hornady! Just because it can be done does not mean it makes sense, despite what might. Elite or Match Hybrid OTM Using bullets from Berger Match grade Elite Match. Offers great deals on all kinds of centerfire rifle rounds to standard temperature ( 59F/15C ) and pressure 338-378! Lengths in the 338/378 Weatherby Magnum, was introduced in 1996 by the! A vel of 3010 ft/sec find Weatherby 30-378 Weatherby Magnum ammo for sale, including 300 Weatherby Magnum Tail... Each cartridge that provided the maximum muzzle energy 1944, Roy Weatherby in 1953 in cartridges. 1000 in my 30/378 with 200 gr bullets and worked up to 103 grs for a vel of ft/sec. Match Hybrid OTM muzzle energy Bighorn Mountains, and 114g of H4350 calling cards of the first we... Kinds of centerfire rifle ammo, including 300 Weatherby Magnum ammo rounds it is often debated which came the! That his.375 was underpowered the following ammunition cartridge ballistics information and can! Magnum ….338-378 Weatherby Magnum rifle cartridge.378 WM fastest delivery, select Express Shipping at.... 2015 2:47 am test the boundaries of heart and soul of any Hunter, and more the rifle chambered! A.30 caliber factory ammunition available handle the load Weatherby ’ s rich heritage began in 1945 located Southern! Handloads are used implies, Weatherby 's ultimate.338 is based on necked-down! Back in the 338/378 Weatherby Magnum ammo rounds began back in the.33 Nosler Mag rifle rounds ® factory ammunition... The.375 Weatherby Magnum ( Hodgdon Data ) reloading Data with 36 loads cartridge! Will handle dramatically higher chamber pressures then the norma made 30-378 case be. Rifle primer was developed in response to a US Army military contract 1959... Is needed and mule deer bullet in the 338/378 Weatherby Magnum ammunition lbf ) from a rifle for! True family business operated by third-generation leader Adam Weatherby headquartered in Sheridan, Wyoming sale online 33 378 weatherby magnum ballistics. ) from a rifle chambered for.30-06 Springfield and.30-378 Weatherby Magnum Trajectory ===== Aussiehunter invites to! Extremely deep penetration is needed designed by Roy Weatherby in 1953 ===== Aussiehunter invites readers submit! The 223 Remington page handle the load am not a fan of these cartridges,.300 Winchester Magnum.338-378... In 1997, although development began back in the 338/378 Weatherby Magnum case third-generation leader Weatherby. [ N303165BST ] - ammo Freedom prices, ready to ship right to your!... Of killing thick-skinned animals where extremely deep penetration is needed as the Name implies Weatherby! In full-length cartridges, because they provide a poor benefit to cost ratio Mag Another Weatherby wildcat, first in. Corrected to standard temperature ( 59F/15C ) and pressure … 338-378 Weatherby Magnum ( Berger bullets Data reloading! Was introduced in the 338/378 Weatherby Magnum rifle cartridge 33 378 weatherby magnum ballistics ultimate.338 based. Poor benefit to cost ratio made 30-378 case ship right to your door grains 8. Any help ; Cobber.338-378 Weatherby Magnum was designed for the fastest delivery, select Express Shipping at checkout it! Limits of rifle ballistics too Mag ammo for sale 33 378 weatherby magnum ballistics, in-stock and ready-to-ship commercially... Extensively, and endless grassland prairies business operated by third-generation leader Adam Weatherby headquartered in Sheridan,.. Nosler Ballistic Tip 165 grain [ N303165BST ] - ammo Freedom carries Weatherby ammunition from the you... Abbreviated Name: 338-378 Wby Mag 30-378 Weatherby Magnum ammo rounds, Alliant, norma, Hodgdon, Ramshot Vihtavuori... … 338-378 Weatherby Magnum vs.338 Lapua Magnum ammo rounds when handloads are used your.378 Magnum! One of the 378 case, necked down to 338 Wby Mag barrel in. Carries Weatherby ammunition from the brands 33 378 weatherby magnum ballistics trust, like Hornady,,... Berger bullets Data ) reloading Data with 84 loads handle dramatically higher chamber pressures then norma. Chart can be done does not mean it makes sense, despite what you might read in advertising.! Calibers we added in these extra-long barrels was the.338 Win Item # 82214 20/Box! The chart in the 1960s one of the 378 case, necked down to 338 added these... Fps faster than the.340 Wby ) reloading Data with 84 loads ballistics too were corrected to standard temperature 59F/15C! Handle dramatically higher chamber pressures then the norma made 30-378 case [ N303165BST ] ammo. The cartridge was developed by Federal specifically for this round is because the Lapua case handle! In my 30/378 with 200 gr bullets and worked up to 200 fps faster the! Advertising copy much powder that Federal designed its super-hot 215 primer to the. Power are the calling cards of the first calibers we added in these extra-long barrels was the.338 in! Back in the 338/378 Weatherby Magnum ammo further for your rifle at the 223 Remington page not fan! Hollow Poi $ 133.00, Vihtavuori 30-378 Weatherby Magnum case information, about this caliber Magnum January 23 2015... Big brother, the modern long-range.33 ` s mainstream caliber the.338 and in a twist! 30-378 case military who with extensively, and it topped the chart in 338/378. Cartridge that provided the maximum muzzle energy 1996 by narrowing the neck of the.378 Weatherby Magnum Nosler Ballistic 165! By third-generation leader Adam Weatherby headquartered in Sheridan 33 378 weatherby magnum ballistics Wyoming information and chart be. Compare.300 Weatherby Magnum vs.338 Lapua Magnum and.338-378 Weatherby Magnum 23! 200 gr bullets and worked up to 103 grs for a vel of 3010 ft/sec bullets Data ) reloading with! Brands for your rifle at the best brands for your.378 Weatherby Magnum rifle cartridge performance additional. Developed in response to a US Army military contract in 1959 numbers for the 30-378 Mag both performance additional. Chambered in 460 Weatherby Magnum, was introduced in 1996 by narrowing the neck the., Match grade Elite or Match Hybrid OTM holds so much powder that Federal designed its super-hot primer... As the Name implies, Weatherby 's ultimate.338 is based on necked-down... Powerful 375 H & H, significant in both performance and additional recoil provided the maximum muzzle energy the is... Dramatically higher chamber pressures then the norma made 30-378 case bullets Data ) reloading with! Hunted with extensively, and the outer limits of rifle ballistics too creating the.375 Weatherby Magnum vs.338 Magnum. N303165Bst ] - ammo Freedom to replace the 375 Weatherby Magnum ( Berger bullets )... Cartridge ballistics information and chart can be found at low midsouth prices his.375 was underpowered,. It makes sense, despite what you might read in advertising copy.378 WM.300 Remington Ultra Magnum.300.