This product is no longer available. Find 338-378 Weatherby Mag Ammo for sale, in-stock and ready to ship at Ammo Freedom. Shop our vast selection and save! 378 WBY-----175 grains As you can see the capacity of the improved and the 375 WBY are very close. Weatherby Mark V Accumark Bolt Action Rifle … Abbreviated Name: 30-378 Wby Mag . Weatherby ~ Mark V ~ .338-378 Wby Mag Description: Weatherby Mark V in .338-378 Weatherby Magnum. jsthntn247. There are a couple of points to keep in mind with this cartridge when establishing a seating depth: The .338-378 Weatherby Magnum was introduced around 1998 and was based on the .378 Weatherby Magnum case necked down to accept .338-inch bullets. Click Here To Enter. Dies and head stamped brass is available for the WBY at affordable prices. Joined: Fri Jun 12, 2009 5:30 pm Posts: 474 Location: Colorado Don, yes the factory 30-378Wby has a 28" long barrel and the Wby freebore. Weatherby Mark V Accumark Bolt Action Rifle. Right now I'm having my 30-378 rebarreled with a longer 30" barrel and gonna shoot some 240 gr bergers vld's. “Bob” Thomson (aka Thompson) developed a similar wildcat on the .378 case. The .378 Weatherby Magnum was designed by Roy Weatherby in 1953. Wide selection of Weatherby Rifles for purchase like the Weatherby Mark V, SA-08 Deluxe at Guns.com. I'll give the 338 its do, but either way you will have one hell of a slayer. Re: 30-378 Weatherby VS 338L I have shot both and own the 30-378. Delivers more than 5,000 foot-pounds of energy at the muzzle with a 338-sized bullet. The motivation behind the development of the .378 came from the disappointing performance gains of the improved,.375 Weatherby over its parent case, the .375 H&H Magnum. Weatherby N303180ACB 30-378 Weatherby Magnum Nosler AccuBond CT 180 GR - 20rd Box Your Price: $110.14 ($5.507 per round) In stock Purchase Now » View Details » Twenty four inch fluted barrel and stainless steel fluted bolt. 30-378 Weatherby Magnum: $1,899.99. Weatherby Choke Tube Flush, 0702, 12 Ga, Weatherby, Improved Modified, Stainless $ 18.81 MPN: 0702 UPC: 747115670468. Video! History. Technically you can fire form standard ammo in either chamber. Sign Up for Exciting Eblast™ Promotions Subscribe The Perfect Gift! On a round with … The ubiquitous 215 magnum rifle primer was actually developed by Federal Cartridge Company for the 378 Weatherby Magnum cartridge. Matt . Free shipping over $20, new in box. I'm about to step up to a big bore that will be used mainly for brown bear and eventually in Africa. I've got .338-378 Weatherby, (Norma), cases that are going on 6 times with only one trimming. This is the ultimate cartridge for long-range, big game hunting. Cheaper too I might add. As far as I'm concerned, it's not far off at all in quality of anything Lapua makes. If you are rechambering an H&H rifle either will work. The history of this cartridge dates back to 1966, when Elmer Keith and R.W. Located minutes from public hunting access in the Bighorn Mountains, and endless grassland prairies. Overview. 30-40 wesson. Added to Your Cart. I'm secretly building a rifle to give my son Zayne for his 15th birthday in August. Trying to stay with a mag bolt face and push a 215 hybrid to 2950 in a 26" tube. Always hit the mark with a MidwayUSA Gift Certificate. TECHNICAL INFORMATION: Best accuracy with this cartridge will generally be achieved by seating the bullet as long as the magazine will allow. Extremely powerful and flat shooting. Enjoy great deals on cheap in stock 338-378-weatherby-mag rifle ammunition and get fast shipping! That’s about a … Allthree cases are close to the same,if they all are improved! I'm looking at either a 375 H&H Mag or the 378 Weatherby. Save big on a new 30 378 weatherby. Weatherby Choke Tube Flush, 0703, 12 Ga, Weatherby ... Weatherby Unprimed Brass Cases For 378 Weatherby 20/Box (BRASS378), Not Loaded $ 87.70 MPN: BRASS378 UPC: 747115070558. I,am fairly shure the Lapua used 416 cases in the begaining ,before they made there own cases.I was considering the 7-378 because you can get 30 -378 cases and neck them down easily. Where to find brands like and Weatherby. .378 Weatherby Magnum Ackley Improved (40° Shoulder) Chamber Reamer at Pacific Tool and Gauge Jul 9, 2015 #4 Also looked at a 30 Nosler. It's a 375/378 Weatherby Improved. The .338-378 Weatherby case holds 137 grains of water compared to the .338 Lapua, which holds 114 grains of water. 30-378 wolfe. I love the 30-378 though and look forward to some real long range hunting. That means it is a whopping big cartridge case. Another Weatherby wildcat, first introduced in the 1960s. A true family business operated by third-generation leader Adam Weatherby headquartered in Sheridan, Wyoming. Post subject: Re: 300 RUM vs 30-378 Weatherby. "Bob" Thomson. 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. Win A FDE Barrett M107A1 .50 BMG Rifle w/ EOTech Vudu Scope ($15000 Value!) Posted: Sat Dec 18, 2010 1:38 pm . Developed as an upgrade to the 375 Weatherby, the 378 Weatherby Magnum is an original design with no parent case. $1,479.99 - $2,159.99 . [4] The 215 magnum rifle primer was developed by Federal specifically for this round. Norma makes Weatherby's brass. by Weatherby. . While the statistics of the .378 are heroic, Glenn reminds us, “As we’ve read, there are many stories floating around the big game hunting circles of the 378’s bullet failures on heavy game. Bulk Ammunition on sale, including 338-378 Weatherby Mag Rifle Rounds. I'm anxiously awaiting to hear the results of Brian Litz's results at the King of 2 Miles competition. [3] 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. 378 Weatherby Magnum; 416 Weatherby Magnum; 375 Weatherby Magnum; Shop All 98 in Weatherby Shop All 98 in Weatherby MidwayUSA Footer. Reintroduced as a Weatherby production cartridge in 1998. The 300 Weatherby improved is the 308 BAER,, 30RDP, 30 Goodling and a few others. In 1998, due to continued interest in the wildcat, Weatherby adopted the .338-378 Weatherby based on the full length .378 case as a factory cartridge. The 378 Weatherby Magnum cartridge also has the double radius shoulder design found on the first and smaller proprietary line of Weatherby magnum cartridges. Buy Now. Bob is right, I think Kirby has the 338 lapua improved, I am building a 7mm 416 rigby. 340 Weatherby 338 Remington Ultra Mag 338-378 KT 330 Dakota 35 Caliber: 350 Remington Magnum 9.3 mm Caliber: 9.3 x 62 Mauser 9.3 x 64 Brenneke 375 Caliber: 375 H& H Magnum 375 Dakota 375-404 Jefferey 375 Weatherby 378 Weatherby 9.53 Saturn Shop safe now and find a good deal with reviews - no coupon codes required. 30-378 Weatherby Magnum Rifle Cartridge. Weatherby ~ Mark V Euromark ~ .378 Wby Mag Description: 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 … Compare prices from more than 30+ gun stores. Buy the best cheap tobacco-free Weatherby Ammo products online. Buy bulk 338-378-weatherby-mag ammo for sale at Short Round Supply Co. .338-378 Weatherby Magnum Price: $1,599.99 Metal Condition: Very good to good with a few scuff marks down the barrel Barrels: 24 inch fluted barrel Triggers: Single grooved trigger Based upon the 378 case, necked down to 338. The best price for 30 378 weatherby for sale online. 30-378 weatherby magnum. The .378 Weatherby is a monumental cartridge in its size, power, and capabilities. Weatherby Rifles for sale. I would pick another case like the Lapua or WSM. New and used Weatherby Firearms and Rifles at Guns.com. Brownells is your source for 378 Weatherby Magnum 30-06 Improved 40 at Brownells parts and accessories. The .338-378 Weatherby cartridge uses the .378 Weatherby case, necked down to take a .338 bullet. 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. Stay Connected. Introduced in 1944, the .375 Weatherby is an improved version of the .375 Holland & Holland. The belted magnum cartridge was inspired by the capacity of the 416 Rigby and headspacing of the 375 H&H. Both of these cases are high quality, and the cost of firing these big rifles means that any cost savings on … Prior to Keith and Thompson’s development of the .338-378 wildcat, Keith was promoting the virtues of high velocity medium bores firing heavy, long for caliber bullets for use on large bodied (Elk upwards) North American game. Weatherby MAP01N303WL8B Mark V Accumark Pro 30-378 Wthby Mag 3+ $ 2,449.00 (0) Weatherby MAP01N653WL6B Mark V Accumark Pro 6.5x300 Wthby Mag 3 $ 2,349.00 (0) Weatherby MK-V ACU ELITE 257WBY 26B $ 2,549.00 (0) WBY MKV ACCUMARK ELITE 6.5WBYRPM 26 ADJ Stock $ 2,549.00 (0) WBY MARK V BACKCOUNTRY .257WBY Weatherby’s rich heritage began in 1945 located in Southern California. 30-40 krag improved. I'm calling it the 375 Zayne. In an attempt to increase the authority and efficiency of the .375 H&H Roy Weatherby blew out the case body dimensions of the H&H cartridge and added his signature double radius shoulder. $1,699.97 Delivery Method. 30-80 winchester experimental. Add To Wish List. Got.338-378 Weatherby Magnum cartridge was inspired by the capacity of the and... 300 RUM VS 30-378 Weatherby VS 338L i have shot both and own the 30-378 third-generation leader Adam headquartered! Eblast™ Promotions Subscribe the Perfect Gift tobacco-free Weatherby ammo products online secretly building a rifle to my. Rifles for purchase like the Lapua or WSM got.338-378 Weatherby case holds grains! Cartridge Company for the 378 Weatherby Magnum is an improved version of the.375 Holland &.. Original design with no parent case products online with only one trimming bear and eventually in Africa MidwayUSA! A whopping big cartridge case now i 'm secretly building a rifle to give my son Zayne his! 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