The contents of the Alaska Outdoors Supersite as does the .375 Remington Ultra Magnum, but the greatest threat came along in 2007, with Hornady’s development of the .375 Ruger. With a fat, unbelted case based on the .404 Jeffery case necked down it has more case capacity than the .375 Weatherby, thus in handloads is potentially faster. (not that a 275gr .338 A-Frame @ around 2600fps wouldn't be attention getting). Still, That H&H thing is Mega Cool. Gunpowder Charge Weight Velocity m/s Velocity fps; Norma 204: Max 86.5 Min 82.0: 1022 954: 3353 3130 I've never fired a 340, but had a 338 RUM that was the most vicious recoiling rifle I ever fired. My friend out in Mc Carthy Alaska, shoots them with a 7mm-08 and Federal 140 gr Nosler Partitions buys a couple of boxes ever 10 years or so. With either, be sure the shot is toward the road. Long barrel long range the 340. forums are viewable by anyone, and may be read by clicking the forum headings GREAT cartridge! While the .375 H&H wears the crown for the bore diameter, there have been challengers. and even rivals the larger .375 H&H, providing a much flatter shooting and harder hitting performance. The 330 Dakota shot great in the Ruger # 1 I hand built. Fourth Place: .340 Weatherby Magnum, 31.4 Points. The .340 hits harder on the back end of the rifle; the .375 hits harder on the target. the last is the 375 Weatherby. Had a friend that was buddies with him and sure wish I would have had a chance to meet him. SaxonPig, Jun 23, 2012 #8. pubthumper Member. Over the years I shot and hunted with 338 Winnie 340 Weatherby and an 330 Dakota. for a free forum account | Upgrade to a Supporting Forum Membership | Manage Your Account/Update Password. I never shot anything with my 338 RUM, but have killed several CA pigs very dead with the H&H. if it was a elk my choice would be a 340Roy and if it was a elephant would go with the 375 H&H..... its moose im not wonering with is better i now the 2 are relly good choices but with 1 hits harder that u can see the animal got hit buy its reaction. It too needs a magnum length action and few companies other than Weatherby chamber rifles for … One of my hunting partners, who has been an Alaska resident for more 30 years, has carried the 375 H&H for all of those plus some. If he can sleep on it, it's all good. I’ve sent hundreds of rounds of 340 Weatherby down range and … Only because it was the barrel on the Blaser R-93 that I wanted. All times are GMT-9. After many years out of production, the 375 was reintroduced in 2001. Released in 1962, the 340 Weatherby Magnum was based quite simply on the .300 Weatherby cartridge necked up to .338 caliber. Oct 19, 2009 #19 C. Calif. Hunter New member. Hunted a bunch with one in the late 1960's to the mid 1970's. Sold my Mark V in that chambering in 1969 and replaced it with another M70 in .375 H&H. This cartridge is the result of giving the “Weatherby treatment” to the legendary 375 H&H. 250 gr. Supersite offers several membership levels. As for the 375 H+H its a fine cartridge, thou I see little need for it other than maybe Brown Bear in Alaska, and even then a 338 with some good bullets is more that up to the task. I guess I am a minority here, but I don't notice a whole lot of difference between my 340 and my two 375s I have owned. Moose are not bullet proof, Its finding one to shoot and then getting one out from where you shot it to the cooler that is the hard part. Elmer understood clearly that it was impossible to overkill an animal but quite possible to under kill one. Problem solve just get both of them. I found that a 210 Barne's X or 210 Nosler Partition will be all you need for the most part thou some rifles will shoot the 225's or 250 gr bullets a little better. For your security, Either will work well at said distances. However, Roy took advantage of the longer case to pack in more powder for greater velocity. .375 is a bigger push, .340 is quicker; equally uncomfortable. The 340 does shoot flatter. Either way the result will be the same. The .375 Weatherby Magnum (9.5×73mmB) is a medium-bore rifle cartridge. Shoots as flat as a 270 Win with the power of the 375 H&H. The 340 was a USA Maine Made MK V SS that I got for a song, the guy that had it could not shoot it. 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. Shoot what ever it its is that you want to shoot. Then the bullet will kill, clean, cook, and pack out the moose all in 1 shot. My vote: 375 H&H. AccuBond at 2941 fps. I’d much rather put a box of .375 H&H downrange at one sitting than a box of .340 Weatherby. You can make a rifle that you can carry and still shoot it when you need to. Says it all about the 340 Weatherby Mag. My brothers 300 RUM's recoil is significantly harder than anything I've ever gotten from any load out of my .340, Elmer Keith? for a free forum account | Upgrade to a Supporting Forum Membership |. I like both of them. So while the 340 weatherby compares to the 338 lapua on paper that's why you never hear about it. It's more than the .338, which I also considered, but not by any huge extent. I remember seeing a post of that rifle before.. This 360-page book is a great resource for any Alaska moose hunter, regardless of experience level. 1629; Cancelled bear hunt so I could get this; Re: 300 wby vs. 340 … It's a bit less than the .375, especially if you're really intending to shoot heavier bullets (300gr) in the latter at mean critters. Logged Pennsylvania "Big Woods" Mountain Buck. My Sako .375 is a breeze to shoot; recoil is there but very tolerable. My Montana hunting buddy has been packing a 340 Weatherby for almost as long. By enlarging the case to hold more powder, Roy Weatherby was able to achieve 200 more fps than the respected Holland & Holland version. On elk I really couldn't tell the difference between the 340 and the H&H. My customer told me a bunch of times he had a Weatherby 340 Mag which he didn't shoot much because the recoil was so brutal. We drove out to the woods, got out of the car and there I am standing in my suit and he hands me the gun with a big grin on his face. So I bought the thing and a pile of ammo to go with it. The 340 is basically the 334 OKH. Other's mileages may vary. 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