One of our members, Wbypoor (Glenn), has added his wealth of experience with the .378 to this article supported by 30 years of use, which is more than anyone I know of and, as co-author, certainly adds considerable depth and breadth to this important cartridge in the Weatherby line-up. I had experience with the 338/378 cartridge, having shot out several earlier barrels that were used for long-range target shooting … All rifle packages come equipped with our ballistically matched fixed reticle scope in a Leupold VX-3i, 4.5-14x40mm. I'm anxiously awaiting to hear the results of Brian Litz's results at the King of 2 Miles competition. Select Page. Designed by Roy Weatherby in 1959 but not released to the market until 1996, the .30-378 is based on the .378 Weatherby’s enormous case necked down to accept .308 caliber bullets. Weatherby Mark V Accumark Bolt Action Rifle -The name says it all. RIFLE DETAILS. The .378 Weatherby is a monumental cartridge in its size, power, and capabilities. Long Range Precision was founded out of a love for long distance shooting. 390 W 1700 S Logan, UT 84321 800-584-4079 435-713-4248 mark@thompsonlongrange.com scott@thompsonlongrange.com, © Thompson Long Range 2019 /// Website Design by, Leupold 4.5-14 Custom Fixed Reticle Scope. RIFLE DETAILS. Chambered in .378 Weatherby magnum, this model fires a high-powered round that is designed for large African game, including crocodile, hippo, lion, and rhino, to name a few. He is shooting a 375 caliber Berger prototype that is a 400 grain solid. Based upon the 378 case, necked down to 338. check out the. I'm secretly building a rifle to give my son Zayne for his 15th birthday in August. I even had my own doubts because I am a bit of a cynic. Not long back I did some long-range testing of two Weatherby factory loads with the 100-grain Spirepoint and 115-grain Ballistic Tip bullets. In 1996 this cartridge became more commercially available and the statistics were very impressive. I'm calling it the 375 Zayne. 300 RUM, 300 norma, 30 lapua 300 win 300wsm and other would all get chosen before the weatherby. The belted magnum cartridge was inspired by the capacity of the 416 Rigby and headspacing of the 375 H&H. Twenty two years later I now owen two of the hot dog size cartridge. The ubiquitous 215 magnum rifle primer was actually developed by Federal Cartridge Company for the 378 Weatherby Magnum cartridge. 300 Weatherby Magnum MARK V® ACCUMARK® RC. 1; 2; 3; Next. Wind velocity ranged up to 20 miles per hour, which is about what you can expect on the typical antelope hunt in Wyoming, a place where strong breezes seem to never stop blowing. Like all the Weatherby rifle cartridges, the .338-378 was developed for hunting. and .300 Wby. My Weatherby Rifle; Discussion about Weatherby Rifles; Scopes and Mounts on your rifles; Weatherby reloading. Heavy, yes. Setting new standards in precision shooting since its inception in 1958, the Weatherby Mark V is a superior long range hunting rifle that has been in use for decades. Quick Navigation Long Range shooting Top. Here’s one funny thing about Weatherby, they’re chambering a lot of their rifles for both 338-378 AND 338 Lapua. It is hard to believe that a .224” caliber bullet with a C.O.A.L. First time I saw Magnum's Magnum was article by Bog Hagel in a Wolfe publishing book. Another Weatherby wildcat, first introduced in the 1960s. Benchresting is different. But, long range shooting is long range shooting regardless if the target is an elk or a steel gong. It's a 375/378 Weatherby Improved. And that is how the 30-378 Weatherby caliber was invented. A composite Mark V rifle that's loaded with accuracy-enhancing features. I've hunted from Praire dogs up to Bull Moose and everything in between. Savage’s relatively inexpensive 111 Long Range Hunter, the Remington 700 XCR Tactical or 700 Police, or even the McMillan Long Range Hunting Rifle could be used. 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. 30-378 Weatherby Magnum MARK V® ACCUMARK® RC. First Place: .30-378 Weatherby Magnum, 72.6 Points . Next Last. Notice the Barr & Stroud rangefinder on the tripod. well writen. [7] It is also the flattest-shooting … It was the title of the article on the 378, your welcome to use mine if you in Denmark some day :-), If this is your first visit, be sure to I was overwelmed when I read about the .378 Weatherby Magnum. The .30-378 Weatherby Magnum is a long range cartridge. In any way, the .338-378 Weatherby Magnum's main appeal is long-range shooting, and as the name implies, Weatherby's ultimate .338 caliber started out like the wildcat cartridge, .338-378 … In the 1950’s, Roy Weatherby started experimenting with a .30 caliber load made from his company’s .378 Magnum. Reintroduced as a Weatherby production cartridge in 1998. This section will deal with causes for misses and poor grouping at extended ranges. The cartridge is favored by some extreme long range hunters but is also popular among affluent U.S hunters for shooting at ordinary hunting ranges. 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. It is the most powerful - in terms of energy - .30 caliber production cartridge available. Performance The .30-378 is truly a potent magnum cartridge, slightly more powerful than the .300 RUM with an edge of around 50-100fps though variations in individual rifles muddy the waters. Have a MK V in 30-378 set up by Long Range Hunters in WY with a Huskama scope using the 165gr TXS.for my South Dakota 1000 yard rifle. The undisputed most powerful .30 caliber magnum in the world. Established in 2011 by a pair of blue-collar workers who wanted to share their passion with their fellow firearm enthusiasts, LRP provides Weatherby Mark V accessories and after-market … This rifle will easily deliver over 1200 foot lbs. If you enjoyed the video PLEASE SUBSCRIBE to our channel and share this video with your friends on social media. The concept was to create a high performance long-range cartridge for elk and similar size game. Extremely powerful and flat shooting. During the initial testing of these long barrels, I made up a 46″ long .338 barrel and fit it up for my Geske action and chambered it for the .338/378 Weatherby Magnum. 30 378 weatherby. Answer: While the .300 RUM is a fine cartridge, and a capable long-range elk round, there's just wasn't sufficient space in the article to include it. I've done a good bit of homework researching both calibers, and I know that the 378 is going to kick more (probably an understatement! ) Thread starter maddy; Start date Sep 11, 2020; Help Support Long Range Hunting : Join the LRH Team or . The Weatherby 30-378 is one of the most accurate long range big game rifles ever developed. Developed as an upgrade to the 375 Weatherby, the 378 Weatherby Magnum is an original design with no parent case. A 300-378 weatherby might be a fine long range hunting gun, but it is NOT a good chambering for a long range benchrest gun I’ve used it to take whitetail out to a half mile with zero misses and dropped in their tracks. Extreme Long Range Hunting & Shooting (ELR) . Less than 1′ groups at 200 yards and ground pounds everything. Weatherby has long been about velocity; Roy Weatherby’s line of cartridges offered some of the best paper ballistics of their time, and to this day some of the Weatherby classics—line the 7mm Wby. than the 375 but I can't dismiss the better longer range capabilities of the 378. 30 378 weatherby. Description: Simply put, the 30-378 Weatherby Magnum is the “Mac Daddy” caliber. The .30-378 Weatherby Magnum with a 165 grain bullet has a MPBR of 342 yards. of energy and a bullet velocity well over 1800 feet per second at 1000 yards, with minimal recoil. The .224 Valkyrie was developed with long-range shooting in mind from its inception. Thread starter maddy; Start date ... . When the item is bought, or you don't longer are looking for this purchase; edit your first topic and add a DELETE in the headline. When I was a young boy I would go into my bedroom and read the ballistic of all the caliber listed in my reloading manuals. As any experienced target shooter knows, it isn’t always as easy as it looks. The .257 Weatherby Magnum with a 100 grain bullet at a MV of 3600 fps has a MPBR of 337 yards. Thank You for the article, I found it very enjoyable to read. Mag. With a trajectory comparable to a .340, and double the horsepower of a .30-06 at any distance, the .378 becomes an extraordinary long-range cartridge for any rifleman pursuing elk, moose, big bears, and larger African game. This rifle will easily deliver over 1200 foot lbs. Interesting I know. Mag.—have a devout following. Go. This is even more true with long-range shooting. 200 gr. Site Areas; Settings; Private Messages; Subscriptions; Who's Online; Search Forums; Forums Home; Forums; Weatherby Rifles Forum. The long range rifle we started with over 20 years ago still stands out as the go-to rifle for 1000 plus yards. To get that kind of accuracy, you need to be extremely steady, hence shooting off the bench. After reac… RIFLES These rifles provide speed and accuracy at ultimate distances. This is the ultimate cartridge for long-range, big game hunting. Description: Simply put, the 30-378 Weatherby Magnum is the “Mac Daddy” caliber. Find our experts' suggestions on long range hunting rifles with speed and accuracy at distance. If so, I would probably go for 1/10 twist in whatever .30 cal you decide on. Well said ,who ever came up with the saying a Magnums MAGNUM. I'm gonna assume you want to shoot heavy for caliber bullets(200 gr plus) if you are talking long range. AWESOME CALIBER. The rifle is a 338/378 Weatherby. Its heavy recoil and muzzle blast relegate it to boutique status much like the .300-378 Weatherby Magnum. I've wanted to write an article on the mighty .378 Weatherby for some time, but felt I lacked the experience with the cartridge to do it true justice. .30-378 Weatherby. of energy and a bullet velocity well over 1800 feet per second at 1000 yards, with minimal recoil. But Is their really a better mountain goat cartridge Delivers more than 5,000 foot-pounds of energy at the muzzle with a 338-sized bullet. Thanks JB very nice article. The long range rifle we started with over 20 years ago still stands out as the go-to rifle for 1000 plus yards. I'm looking at either a 375 H&H Mag or the 378 Weatherby. (cartridge over-all length) which fits inside of an AR15 magazine well can be capable of 1,000+ yards. The .300 Weatherby Magnum with a 150 grain bullet at a MV of 3540 fps has a MPBR of 343 yards. AccuBond (.588 BC/.301 SD) at 3150 fps. 1 of 3 Go to page. 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