COMPARE RESET (0) Weatherby MAP01N303WL8B Mark V Accumark Pro 30-378 Wthby Mag 3+ $ 2,449.00 (0) Weatherby MK-V ACUM BA 30-378WBY 26B. Both of these cases are high quality, and the cost of firing these big rifles means that any cost savings on … OUT OF STOCK (0) WBY 30-378WBY MKV TACMRK Black 28 DBM BRK. The cartridge is blown out, improved and provided with the Weatherby double radius shoulder – given the Weatherby treatment – version of the .375 H&H Magnum. * To lessen the Recoil just put a " Limbsaver Recoil Pad " on it. The .338-378 has a nasty recoil compared to the 338LM, too. In the real world, firearms chambered for less powerful cartridges are typically built lighter than firearms chambered for more powerful cartridges. Well said ,who ever came up with the saying a Magnums MAGNUM. There are some shooters who can handle recoil extremely well. In a weatherby custom mark 5. Still have questions? Do not forget that rifle weight is a crucial factor in the recoil equation, inversely proportional to recoil. AWESOME CALIBER. I just found this out, my uncle had apparently been planning a trip to africa once, and bought this rifle, and now just telling me. Driving a 250-grain bullet to 2940 fps, for over 4,800 ft.-lbs. 30-378 Weatherby Magnum Chamber Reamer . Calculations were corrected to standard temperature (59F/15C) … Weatherby then set about designing a .375 caliber cartridge of extreme power. Other magnum cartridges like the 30-378 Weatherby Magnum and 300 WSM have come along since then, giving hunters looking for serious magnum performance no shortage of options to choose from. Recoil is severe, particularly in the relatively lightweight factory rifles often chambered for these cartridges. The smaller .340 Weatherby Magnum generates considerably less recoil, and yet Weatherby rates it only 100 fps (30 m/s) slower than the .338-378 Magnum and at about the same speed as the .338 Remington Ultra Mag. The .378 Weatherby Magnum was designed by Roy Weatherby in 1953. * Yes you can reload it to lessen the Recoil Energy, but Performance, and Impact Energy will suffer. The Contestants. 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. Join Yahoo Answers and get 100 points today. Or any 12 gauge. Calculations were corrected to standard temperature (59F/15C) … The 215 magnum rifle primer was developed by Federal specifically for this round. If you see a 0 in the Recoil Velocity column it signifies no … Barrel Length is 23 1/4” ...Click for more info Do you like hunting? This round is pushing a 130 grain bullet at a screaming 3,476 feet per second (fps) muzzle velocity. well writen. Roy Weatherby’s 378 delivers 34 percent more energy at the muzzle than the powerful 375 H&H Magnum. He wants me to shoot it, to see if I can handle it, and if I can, he is going to give it to me. 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. The Contestants. Weatherby Firearms has continued the tradition of high-velocity, flat-shooting cartridges when the company released the 6.5-300 Weatherby Magnum in 2016. 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 also designed a line of high-velocity magnum cartridges, like the .270 Weatherby Magnum, the .300 Weatherby Magnum, the .378 Weatherby Magnum and the .460 Weatherby Magnum. What are you doing that needs such ballistics? It reduces Recoil by 50% that way you are not sacrificing Impact Energy, and Performance, or lowering of the 2900 feet per second. .378 hit hard, very hard (depends on load). Thank You for the article, I found it very enjoyable to read. Do you have testing before . * According to the Rifle Recoil Table the .378 Weatherby Magnum shooting a 300 grain bullet at 2900 Feet per second has a Awesome Recoil Energy of 71.1 out of a possible Maximum Total Recoil Energy Score of 100. I also own a custom .300 UM and I love it, but the ballistics are really closer to a .300 Weatherby magnum than a 30-378. The .30-378 Weatherby Magnum is a .30 caliber, belted, bottle-necked rifle cartridge. would you feel comfortable in bear country with a 5.56 loaded with green tip ammo? Less than 5 in stock Item #: WYH378300FJ ... Weatherby Brass 378 Weatherby Magnum Unprimed Box of 20 . Originally designed for the military in 1959 by Roy Weatherby, it was not available to the general public as a factory offering until 1996. What would the recoil of a 30-378 Weatherby Mag with a 200grain bullet loaded at full pressure be like in an 8 pound rifle?Because I just had a rifle made at this weight and it has no brake!What can I expect when I pull the trigger.-----Death Comes To Us All. Is their any way I can reload it, or make a "light Load" that doesn't have AS much recoi? In the table below rifle weight is given in pounds, free recoil energy is given in foot pounds, and free recoil velocity is given in feet-per-second. The .375 Weatherby Magnum (9.5×73mmB) is a medium-bore rifle cartridge. Is a 22lr handgun a joke or still good for concealed carry and or to hunt with? If you look at a chart put out by Remington you will see better ballistic information based on the .300 Weatherby ammo that they load. Its massive case holds so much powder that Federal designed its super-hot 215 primer to handle the load. The .378 Weatherby Magnum was designed by Roy Weatherby in 1953. from a 9 lb rifle. Thanks JB very nice article. The author analyzed six .30 caliber magnum cartridges (.300 H&H Magnum, .300 Winchester Magnum, .300 Weatherby, .300 Remington Ultra Mag., .30 Nosler, and .30-378 Weatherby) for trajectory, effective range, and recoil with modern ballistic software available free online from shooterscalculator.com. I was overwelmed when I read about the .378 Weatherby Magnum. 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. Is it much worse than a Remington 870 express super magnum (7 1/2lbs) shooting 3'' slugs or buckshot? However, Weatherby took the discussion to the next level and has bridged the gap, so to speak, enter the 6.5-300 Weatherby. 375 Weatherby Magnum has no equal. With a 26″ heavy barrel and adequate rifle mass, the recoil is easily tolerated even by a small (100 lb) woman, not so the ridiculously overbored .378 Weatherby Magnum. $72.99. Try 12 or 10 gauge shotgun (not semi auto) with 3" slug full load. .30-378 Weatherby Magnum History Based on the giant .378 Weatherby case, the .30-378 Weatherby was designed as a wildcat cartridge by Roy Weatherby … The ubiquitous 215 magnum rifle primer was actually developed by Federal Cartridge Company for the 378 Weatherby Magnum cartridge. Rougher is -.009 thou, unless noted. I saw the post on the .300 win mag recoil, what is the recoil like on a .300 weatherby mag? In Stock Item #: WYU378WBY $3.65 per round ? when the three cartridges are loaded with 250-grain bullets. what kind of man worries about recoil. Increase the gun weight by, say, 25% and the recoil goes down by 25%. Twenty two years later I now owen two of the hot dog size cartridge. 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. The 378 Weatherby Magnum was intended to replace the 375 Weatherby Magnum, which did not yield enough additional power over the 375 H&H. I suspect the 300-378 weatherby magnum has too much recoil for 95% of shootes. Please Select Pilot and Reamer Type: Reamers are available in Carbide for production run needs.Please contact a sales associate if you have any questions or if you would like to order a carbide reamer. * Yes you can reload it to lessen the Recoil Energy, but Performance, and Impact Energy will suffer. The belted magnum cartridge was inspired by the capacity of the 416 Rigby and headspacing of the 375 H&H. This compares to 20 ft.lbs from a rifle chambered for .30-06 Springfield, but is only 10% more than the recoil of the .375 H&H Magnum while having 22% more energy. I've hunted from Praire dogs up to Bull Moose and everything in between. 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. 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