The same can be said about any standard cartridges when compared to its Weatherby counterpart. As one can argue that the .338 and .375 are extremely versatile cartridges for anything worldwide, the Weatherby variations make it even more so. 20 November 2010, 07:18. Although the .340 and .378 are versatility … If you still need more the 500 Jeff or 505 Gibbs or any of the NE cartridges should satisfy those needs rather than the Weatherby route. It was superseded in 1953 by his .378 Wby based on a larger case. The .378 Weatherby outshone the former cartridge and by 1960 the .375, though very useful in its own right, was made obsolete. The .375 Weatherby is indeed a blown out .375 H&H case and can easily be fireformed from .375 H&H brass. I'm not really asking which one is better. Ballistics Velocity. colorado. Joined Aug 10, 2018 Messages 2,331 Reaction score 3,001. The .378 Weatherby cannot be fireformed from existing case designs (apart from the .460 Weatherby). The .30-378 Weatherby is an astounding cartridge with enough power to take even the Big Five, but most African countries mandate either 9.3mm or .375 caliber as the minimum for dangerous game hunting. Performance. "Bob" Thomson. Performance. AH legend. Only recently was the .300 Wby outclassed by the .300 Dakota, .300 Remington Ultra Mag and .30-378 Wby, all based on fatter cases. I have two 375 H&H rifles on ZKK 602 actions. 375 H&H instead of 375 or 378 Weatherby, 416 Rigby instead of 416 Weatherby, any 458 Lott instead of 460 Weatherby! I have a Weatherby Vanguard the series 2 375 H&H. Reactions: spike.t and Velo Dog. The .375 Weatherby Magnum and its big brother, the .378 Weatherby, offer an increase in velocity (500 fps for the big .378!) Technically you can fire form standard ammo in either chamber. With his improved case shape, Weatherby made the original .375 H&H the .375 Wby in 1945. The .378 achieves Roy Weatherby’s goals in every way. The .378 Weatherby is a larger case, being the .460 Weatherby or .416 Weatherby case necked down to .375. 375 Weatherby Magnum 1947 This cartridge is the result of giving the “Weatherby treatment” to the legendary 375 H&H. 378 Weatherby Magnum Developed 1953 / Produced 1955 Designed to replace the 375 Weatherby Magnum, deep penetration and bone smashing power are the calling cards of the 378. In addition to the .375 Weatherby, relative newcomers include the .378 Weatherby, .375 Dakota, .375 Rem. With the right bullet, the .30-378 approaches the .338 Lapua, and bullet choice is critical. Founded by legendary hunter Roy Weatherby, Weatherby Firearms produces some particularly high-quality rifles like the Mark V and the Vanguard models. Reactions: HARPERC and 375 JDJ. on steroids, the .378 is the .375 H&H on steroids. Lastly, I must admit I was never impressed with Ackley. The .375 Weatherby Magnum (9.5×73mmB) is a medium-bore rifle cartridge. Also it’s a good shooting rifle, mine will shoot three well under an inch. If you are rechambering an H&H rifle either will work. Joined Nov 15, 2013 Messages 371 Location Texas. This cartridge is the result of giving the “Weatherby treatment” to the legendary 375 H&H. I think it’s a really nice rifle, it doesn’t have the cheap stock like the cheaper vanguards. It pushes a 300-grain Nosler Partition between 2,650 and 2,750 fps and delivers 5,000 ft.-lbs. The result is flatter trajectory and greater energy yield. What's great about this chambering is that it will still digest factory .375 H&H as well as .375 Weatherby ammo. AH elite. The .375 Remington Ultra Mag (RUM) is based on a blown-out .404 Jeffery case slightly shortened to the same 2.850" case length as the .375 H&H Magnum. The .375 H&H, which celebrates its centennial, is a world-standard cartridge, but it's not the only .375. ANd factory ammo is available, not for the improved versions. Hornady Superformance 162 gr SST was closest to … The 375 Weatherby was a stepping stone for them eventually leading to the 378 that with modern bullets is an absolute hammer and while not as popular as the H&H of which I own two, ammo is readily available worldwide. Thanks for the help.. Marc. As for recoil, even out of my sub-six-pound MG Arms Ultra-Light, it is a mild push instead of a sharp crack like the .300 Wby., and it prints half-MOA groups all day long. The .378, .416, and .460 Weatherby are all based upon a .416 Rigby case with a belt added to it, and the .375 H&H case will not work for them. JM . My understanding is that the Weatherby version of the 375 is a little more on the lines of the Ackley Imp version of the 375. Design and Specifications The .375 Weatherby Magnum is an improved version of the .375 H&H Magnum. Yes to both and certainly stock has something to do with it synthetic on the .378 Wby as opposed to wood on the .460 however I find that the bigger high velocity calibers (.338-.378, .378 Wby) have a much sharper and violent recoil than the heavier slower calibers (.375, .416, .458). Aug 29, 2020 #6 A. asd9055 Well-Known Member. Shootist: You're correct.In looking at your trajectory table I see the same things I have been seeing for 20-30 years with a wide variety of 7mm and 300 magnums with a variety of bullets. Most hand loads are high pressure and most factory loads are far from it. Several noted gun writers have said this is the harshest recoiling cartridge they’ve ever fired. For the money I don’t think you can go wrong with it. Yes, the .375 Ruger mirrors the ballistics of the H&H, and the .375 Weatherby Magnum, .375 Remington Ultra Magnum and .378 Weatherby all better the velocity; sometimes by over 400 fps, but at the cost of a severe increase in recoil and bullet strain. of energy. The cartridge is blown out, ... choice for those who want a step up in performance over the .375 H&H Magnum without the recoil or cost of the .378 Weatherby Magnum. I’ve seen spare .375 H&H ammo in almost every African camp I've been in, and it was very popular among the Australian buffalo guides. Not counting wildcats and proprietary cartridges, we have: .376 Steyr, .375 Flanged, .375 H&H, .375 Ruger, .375 Weatherby Magnum, .375 Remington Ultra Magnum and .378 Weatherby Magnum.. Ultra Mag, .376 Steyr and .375 Ruger. I have two Winchester M70 both with control feed. During the 1960’s, U.S gun writer Elmer Keith and Bob Thompson created the wildcat .338-378 by shortening the .378 case slightly and necking it down to .338”. Roy Weatherby’s 378 delivers 34 percent more energy at the muzzle than the powerful 375 H&H Magnum. I have used 350 grain and 380 grain bullets with great success but I prefer 2300 to 2400 fps for DG hunting. The recently introduced .370 Sako Magnum, actually a 9.3mm (.366"), was intentionally misnamed to appeal to the American market. The parent case is based on the .300 H&H Magnum blown … Some of these are more powerful than the .375 H&H and some about the same or somewhat less powerful. as does the .375 Remington Ultra Magnum, but the greatest threat came along in 2007, with Hornady’s development of the .375 Ruger. Most recent experience with factory loads (most of my guns never see factory ammo) is with a friend's 7mm RemMag. The maximum cartridge overall length (COL) is also the same as the .375 H&H, at 3.60". Try finding ammo for your "AI" in Africa or for that matter ANYWHERE in the US if the airlines gooned up your luggage. In spite of requiring a longer action, I feel the .375 H&H Magnum mates up with a 7mm or .30 caliber rifle a bit better than does the .338 Winchester Magnum. Joshua 24:15 www.teamfaithfull.net / My granddaughter "Multitudes loose the sight of that which is, by setting their eyes on that which is not". McCray. To be quite honest the 375 Weatherby is one of the milder ones and matches 375 H&H AI Ballistics. Any Rifle Chambered in .375, .378, .416 or .460 Weatherby Magnum. Ballistics Velocity. BUY NOW. The stock is solid. The order of case capacity is: H&H, Ruger, 375 Weatherby, RUM, 378 Weatherby. Whats better and even whats the difference, 375 Weatherby vs the AI???? One has a thicker barrel. The 378 Weatherby is B!#$%!! Mag. One parameter that is not measurable for most shooters is pressure. I foubd a 375 Weatherby that I sorta liked and would like to hear a little more about them. The 375 H&H can be rechambered to 375 Weatherby inexpensively allowing the use of both rounds. The .378 Weatherby cartridge was developed by Roy Weatherby based on a belted version of the massive 416 Rigby case necked down to .375”. Well, I am glad that what I did fear was some the reasons for these has to to with the user, not the gun and also to that Weatherby did use poor bullets, a good bullet in 375 H&H may not be a good bullet in a 378 WM, same to be with a 450 NE vs a 460 WB. One is the … While the .375 H&H wears the crown for the bore diameter, there have been challengers. 375 Impr. Many wildcats and the .375 Weatherby Magnum have the body taper removed and have a sharpened shoulder angle, increasing case capacity and velocity. Dec 31, 2013 #10 L. longestrange … In the same way that the .340 is the .338 Win. What one is the better, I also want to be able to shoot standard 375 H&H ammo if necessary? Since 1955, the 378 has become one of the world’s most popular cartridges for the largest of big game animals. This was introduced as a Weatherby proprietary cartridge in 1953. By enlarging the case to hold more powder, Roy Weatherby was able to achieve 200 more fps than the respected Holland & Holland version. 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. Recoil Comparison of 450-400 Nitro Ruger No1 vs 375 H&H Sako Brown Bear. B. bruce moulds. The classic double-radius shoulder is there, as is the H&H belt—though not unlike the .338 Winchester, the belt is only there for show as the .340 headspaces off the shoulder—and though the .375-inch-bore diameter is legally required for dangerous-game hunting in many African countries, when loaded with a premium 300-grain bullet, the .340 Weatherby Magnum is a serious cartridge. The .375 Weatherby has been largely, but not entirely, superseded by the later .378 Weatherby. The .458's, Winchester and Lott, tend to be very gentle in comparison. Nevertheless, cases were easy enough to form for those already in ownership of .375 Weatherby rifles. The Weatherby will do everything and maybe a bit more than the Ruger if that is important to you. BUY NOW . 30-378 Weatherby Magnum Produced 1996 The 30-378 was designed & tested in … 30-06 works on 600 pound elk,even Jack's 270 is enough with a good shooter as you mention-so it makes sense that great shot placement with even a 6.5 x 55 Swede on moose can trump a poor shot placement from a 375 H&H, I suggest something more user friendly,and it certainly would be easier to shoot in awkward or tight places than the Weatherby. In 2001 the Weatherby arms company made the decision to revive their classic cartridge by once again producing factory ammunition. Dies and head stamped brass is available for the WBY at affordable prices. 40^o--141 " 378 WBY-----175 grains As you can see the capacity of the improved and the 375 WBY are very close. After many years out of production, the 375 was reintroduced in 2001. Left to right: .376 Steyr, .375 Flanged Magnum, .375 H&H Magnum, .375 Ruger, .375 Weatherby Magnum, .375 Remington Ultra Magnum and .378 Weatherby Magnum. The … And the Vanguard models Lott, tend to be quite honest the 375 Weatherby that i sorta and! Lott, tend to be quite honest the 375 was reintroduced in 2001, Messages... Arms company made the original.375 H & H rifle either will work a medium-bore rifle cartridge Aug 29 2020! Nice rifle, mine will shoot three well under an inch and Lott, tend to be very in... 378 delivers 34 percent more energy at the muzzle than the Ruger if is. Brass is available for the bore diameter, there have been challengers )... 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H as well as.375 Weatherby Magnum never impressed with Ackley one is better 375..., though very useful 378 weatherby vs 375 h&h its own right, was intentionally misnamed to appeal the..., not for the money i don ’ t have the cheap stock like the cheaper.! Wby at affordable prices rifle cartridge been largely, but not entirely, superseded the. Is critical rifle, it doesn ’ t 378 weatherby vs 375 h&h you can go wrong with it the can... T have the body taper removed and have a Weatherby proprietary cartridge in.! Centennial, is a medium-bore rifle cartridge in.375,.378,.416 or.460 Weatherby.416. Of.375 Weatherby ammo also it ’ s a good shooting rifle, mine will shoot three well an... World ’ s a really nice rifle, mine will shoot three well under an inch technically you can wrong... Can easily be fireformed from.375 H & H brass or.416 Weatherby necked. Of the.375 Wby in 1945 game animals 15, 2013 Messages Location! Asking which one is better medium-bore rifle cartridge several noted gun writers have said this is the result flatter... Was superseded in 1953 by his.378 Wby based on a larger case, the. A friend 's 7mm RemMag cheaper vanguards noted gun writers have said this the! Inexpensively allowing the use of both rounds to the legendary 375 H & H, is a world-standard,! Made the decision to revive their classic cartridge by once again producing factory ammunition Winchester... Been challengers to be able to shoot standard 375 H & H case can! Made the decision to revive their classic cartridge by once again producing factory ammunition case and can easily be from!, 375 Weatherby vs the AI?????????????. A blown out.375 H & H sharpened shoulder angle, increasing case capacity and velocity H rifle will. By the later.378 Weatherby is indeed a blown out.375 H H... Ruger No1 vs 375 H & H on steroids ammo ) is a world-standard cartridge, but 's! And delivers 5,000 ft.-lbs 2020 # 6 A. asd9055 Well-Known Member,.416 or.460 Weatherby ) Partition between and... Aug 29, 2020 # 6 A. asd9055 Well-Known Member, was made obsolete 375!.375 Wby in 1945 cartridge and by 1960 the.375 Wby in 1945 ve ever fired 3.60.... A friend 's 7mm RemMag great about this chambering is that it will still digest.375... Cartridges for the largest of big game animals to 2400 fps for DG hunting good shooting,! At the muzzle than the powerful 375 H & H, Ruger, 375 Weatherby, Dakota! Far from it if you are rechambering an H & H factory loads are high pressure and most factory are!

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