This is high Ammonia content stuff! In my experience, recent Weatherby rifles are extremely accurate. I probably spent $50 for that box of brass. The proprietary Mark V action is renowned for its strength and rigidity and is a great building block for an accurate rifle. The Fifth U.S. Your 1/2' groups and 3400 fps velocities reflect my findings. What could be causing this? The .257 Weatherby was one of Roy Weatherby’s earliest creations and quickly became his favorite. Oct 29, 2009 #2 My .257Wby is for rockchucks. This is a Weatherby Vanguard rifle with a Vortex 4x12 scope. (Everything Ive shot with it) I use the Barnes CL-2 as the Instructions say!! Joined Jan 9, 2011 Messages 70. Son of a gun, the Hornady brass still wouldn’t allow the action to close. One must realize he was on a mission to convince all of the lethality of high-velocity bullets on game, but publicity seeking must be sorted out from the practical. It is a hunting cartridge and has not been, for the most part, adapted into any target shooting discipline. How Roy Weatherby Got 3,600 fps From His 257 Weatherby Magnum To reach this speed, Weatherby first made a high volume case by modifying the then popular, belted 300 H&H Magnum. I have used 100gr sierra sp. This has eased over time with Hornady offering loads and Remington providing limited runs of rifles. All Firearms News subscribers now have digital access to their magazine content. Description: The .257 Weatherby Magnum has taken more than its share of animals since being produced. The bear squared out at 7'5". Weatherby claims that the Vanguards are the fastest, flattest shooting rifles on the market. It shoots SUB-MOA accuracy with a factory 110 Accubond bullet at 3460 muzzle velocity while delivering adequate big game velocity and energy out to 650 yards. Plus, the receiver does not have any excess material removed to provide a raceway for protruding lugs as found on Mauser-type bolts. That night, I loaded 70 rounds of .257 Weatherby Magnum, all with the 100-grain Sierra jacketed softpoint bullet, and I’m headed to the range later this week to test for accuracy. The Weatherby Vanguard is one heck of a rifle for the money and chambered for the .257 Weatherby Magnum only makes it better. Experiments involving ramping up velocity as a means to stabilize the 131-grain .25-caliber bullets have shown issues with stability when temperatures and altitude change beyond ideal conditions. Thanks . Bama_Rick. I made a mental note to call Hornady and get my money back. Announces .45 Auto Load, Transcoded: FANIssue11-BravoCompany300AR-15, The AirForce Airguns' Ring Loc Kit for the Condor, Hornady Kestrel 5700 Ballistics Weather Meter with Hornady 4DOF, Firearms News Reviews the S&W M&P 2.0 9mm Compact Pistol. That would get messy. Today, those same performance qualities are every bit a part of Weatherby cartridges. 2.5 inches. Silver $$ Contributor. The stainless steel barrel measures 26 inches and is threaded to install a Weatherby muzzlebrake that arrives with the rifle. And on the ones that would allow the action to close, accuracy was dismal. Damn, I thought. With the Accumark, the action is mated to a hand-laminated stock containing an aircraft-grade aluminum bedding block. 1 single-shot rifles. I measured the brass and it seemed to me it was right at the max dimensions. Personally, I'm an accuracy freak, and although Weatherby was one of the first rifle companies to offer an accuracy guarantee (1.50-inch, three-shot groups with Weatherby ammunition), large quantities of freebore doesn't always lend itself to truly precise accuracy. Is SIG Sauer's P365 9mm the Perfect Carry Gun? The rounds just wouldn’t chamber easily and closing the action was difficult. I resized all my brass (both the Weatherby and the Hornady brass), tumbled it until the stuff glistened, and then tried to chamber it. It’s the fastest .25-caliber cartridge there is. All its attributes point the cartridge to maximum efficiency and effectiveness, unique to most of the magnums in close competition to it. Easy to load for. Smelly!). Yeah, that could be it. They were nice. .257 Weatherby Magnum Minimum Maximum Bullet Weight: 90 gr Case Trim Length: 2.539" S.D. As far as Weatherby's philosophy of fast killing through high velocity went, the .257 achieved this goal in spades. I called Hornady to complain. Hmm, you’d hope there’d be a better way of letting folks know to set the die this way. Roy Weatherby would surely be pleased by how far the cartridge has come. All figures are based on factory Weatherby ammunition and not “hot” handloads. I just got a 257 weatherby in a Rem 700 and was wanting to get loads for coyote's. Wow – what gun store has all that obscure caliber reloading stuff on its shelf?? Many sources quote the .257 WBY as Weatherby’s personal favorite. Stay tuned. Weatherby offers several factory loads for the .257 Mag. That would account for both brands of brass not chambering. Campfire Regular. Another more recent rub against the .257 WBY is with .25-caliber barrel twist rates. Just like with the Hornady brass, the Ruger’s action wouldn’t close on any of the resized and polished brass (Hornady or Weatherby). The .257 WBY was one of Roy Weatherby’s earliest cartridge creations. Current loads include options like the 80-grain Barnes TTSX screaming along at nearly 3,900 fps, the 110-grain Nosler AccuBond and Hornady ELD-X rounds pushed downrange at nearly 3,500 fps and the 120-grain Nosler Partitions traveling at an impressive 3,300 fps. “For the .257 Weatherby, when the die contacts the shell holder, withdraw the ram and turn the die in another 90 degrees. Maybe it wasn’t the rifle. Fast-forward to the present day, and you’ll find me at that same range on that same bench. I’ve got the case resizing thing addressed, but the bullets (even the heavier ones) are still breaking up in flight. 1. Firearms News editor Vince DeNiro runs the Smith & Wesson M&P 2.0 9mm compact pistol through a self-defense drill. Stories abound of the .257 Weatherby taking all sorts of game, including Cape buffalo. It is one of the most popular Weatherby calibers, combining very high velocity, flat trajectory, and tolerable recoil. bump. He officially introduced it in 1948, but he had been experimenting with it since 1944. And one more…our story on three rifles chambered in the mighty .300 Weatherby Magnum! A hindrance to the .257 WBY gaining more widespread popularity versus its cult-like following since its introduction was the proprietary nature of the chambering only being found in Weatherby rifles and ammunition. Compare. 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