Thousands of 257 Weatherby Magnum hunters have discovered a proper bullet properly placed spells lights out. Mag. Yes sir. The .257 Weatherby Magnum is a .257 caliber (6.35 mm) belted bottlenecked cartridge. There was the 25-20 Single Shot, 25-20 Marlin, 25-20 Winchester (still around! Weatherby N257115BST 257 Weatherby Mag Nosler Ballistic Tip 115 GR - 20rd Box ... .240 Weatherby Magnum (3).243 Win (71).243 Win Super Short Mag (WSSM) (2) ... .25-06 Rem (29).25-20 Win (2).25-35 Win (2).250 Savage (3).257 Roberts (6).257 Weatherby Magnum (11).26 Nosler (5).260 Rem (18).264 Win Magnum (5).270 (70).270 Weatherby Magnum (8).270 WSM Photo: Long, sleek bullets are pushed to top velocities by the .257 Weatherby Magnum, making it effective for everything from varmints to moose. This translates to all sorts of hydraulic shock, which is the primary reason that proponents of the .257 Weatherby swear by the cartridge. It makes an excellent deer/antelope cartridge, and can easily do double-duty on coyotes and foxes with the 87- and 100-grain bullets. should hit your shoulder with about 21.7 f-p force at 13.2 fps velocity, about like a 270 Winchester. Suddenly this Weatherby pops up, belting the same bullet an additional 600 fps. Prior to the commercial ascendancy of the 25-06 Remington, however, there was the 257 Roberts. 49 $299.95 $299.95. To fix this you’d have to mount an aftermarket, 1-9" or 1-8" or even 1-7.5" twist barrel on your rifle. magnums. Let’s take a look at the two, and compare and contrast their strengths and weaknesses. Mag. Find .257 Weatherby Magnum bolt-action rifles from a variety of manufacturers. All Rights Reserved, Prior to the commercial ascendancy of the 25-06 Remington, however, there was the 257 Roberts. .257” bullets? Until the 243 Winchester and 244 Remington appeared in 1955, the 257 Roberts was. It’s often said but seldom appreciated that … We’ll zero both for maximum point blank range with an 8-inch target diameter. That did the trick. If it was so fast and alluring, why didn’t it become more popular? FREE Shipping. The results are bullets as long as a 1-10” twist barrel can stabilize. Mag. The deer family; whitetail, blacktail and mule deer, are easily switched off in that their nervous systems are highly susceptible to shock, unlike elk, moose and caribou. That will be my next rifle purchase after I finish my 257 Wby custom. In an 8-pound rifle, the 257 Wby. It is one of the original standard length magnums developed by shortening the .375 H&H Magnum case to approx. Still, it surprises many to learn that Roy Weatherby contributed to the excitement clear back in 1945. Invented by Roy Weatherby in 1944, it was his favorite cartridge as well. Factory Ammunition The .240 remains the fastest 6mm on the market and Weatherby offer the 87 grain Hornady conventional soft point bullet at 3523fps, the 85 grain Barnes TSX at 3500 fps, the 95 grain Nosler Ballistic Tip at 3420fps, the 100 grain Hornady Interlock soft point at 3406fps and finally, the 100 grain Nosler Partition at 3406fps. A bit more slender than the .30-06,the .240 Magnum shares the same case-head size, and length - 63.5mm (2.500”), but headspaces on the belt in charactaristic Weatherby fashion and features the traditional Weatherby double radiused shoulder. This isn’t all bad, however, because the lighter bullets shoot faster and thus flatter than the 120s. by Gary Zinn. Many 140-grain 6.5mm bullets (.264”) are exceeding .600 B.C. Yes, the excellent Weatherby factory ammunition is still available in several weights and with premium bullet choices, but Hornady, Nosler and Norma also offer factory loaded ammunition. But there’s a catch and it’s abbreviated B.C. But wait a minute. Yes, it does. Does it come with some inherent issues? Hornady 046042 Neck Size Die 257 Caliber (.257) I think this may be an instance of ‘go-big-or-go-home’, in that the .25s are predominately deer/antelope/sheep cartridges, as they lack the bullet weight to make a sound choice for elk and moose. The 257 Weatherby Magnum may be the most overlooked, under-appreciated, mild recoiling, flat-shooting, hard-hitting centerfire rifle cartridges you’ve never fired. There are no flies on a good .25-06 Remington, but when it comes to the blazing quarter-bores, the .257 Weatherby Magnum holds a special place in the hunting fields. made short work of a fine pronghorn buck. Winchester 95gr Ballistic Silver Tip (SBST243A) Federal Premium 100gr Sierra Game King BT-SP (P243C) 240 Weatherby Magnum: Weatherby 85gr TTSX (B24085TTSX) Weatherby 100gr Nosler Partition (N240100PT) Weatherby 100gr Spitzer (G240100SR) 257 Weatherby Magnum: Weatherby 100gr Barnes TTSX (B257100TTSX) Weatherby 80gr Barnes TTSX (B25780TTSX) .257” bullets? Absolutely not. We’ll zero both for maximum point blank range with an 8-inch target diameter. Mine said 351 yards. I've always wanted a 240 and the Vanguard S2 is a … Neidner released a very similar cartridge—the .25 Neidner—in 1920; both were (obviously) sound designs, giving unprecedented velocities for their time, considering the limits of the smokeless powders of the day. Abbreviated Name: 240 Wby Mag is a great choice for deer, pronghorn and similar-sized game. Nosler Ballistic … Because most old, 25-caliber rifles have twist rates of 1-14”, 1-12”, or 1-10” at best. We've got you covered.• .338 Winchester vs. .375 H&H Magnum• .30-30 Winchester vs. .35 Remington• .257 Roberts vs. .250-3000 Savage• .270 Winchester vs. .280 Remington• .35 Whelen vs. 9.3x62mm Mauser• .416 Rigby vs. .416 Remington Magnum• .308 Winchester vs. .30-06 Springfield• .22 Nosler vs. .224 Valkyrie• .300 Win. in .257, most bullet makers stick with the best form factors they can put in 115- to 117-grain bullets. Hunters were thinking the 257 Roberts was pretty hot stuff, pushing a 100-grain deer bullet 2,900 fps, maybe 3,000 fps at best. If you want to drive a .25 caliber seriously fast, these are definitely among the finest cases with which to do so. Individual handloaders may claim higher MVs than these, but I can’t and won’t sanctify what could be dangerously high pressures in some readers’ personal handloads. Company Directory (307) 675-7800. As for energy, the 6.5 Creedmoor carries 1,000 f-p to just beyond 700 yards. $18.03 $ 18. Why not make longer, sleeker, higher B.C. That’s when he shocked the shooting world with his belted 257 Weatherby Magnum. The .25-06 has a decent balance of case capacity of bore diameter, and runs very well in a 24-inch barrel. Does that stop the .257 Weatherby from being a good hunting cartridge? Looking at the pair, which makes the better choice? (There are some small bullet makers like Blackjack offering high B.C. The 25-06 is limited to 63,000 psi, the 6.5 Creedmoor 62,000 psi. It will drive a 100 grain bullet about 150 fps faster than the 6mm Remington or .243 WSSM from a 26" barrel, less from a 24" barrel. The year was 1915. Because most old, 25-caliber rifles have twist rates of 1-14”, 1-12”, or 1-10” at best. 4.7 out of 5 stars 302. Bulk Ammunition on sale, including 240 Weatherby Mag Rifle Rounds. numbers are a more accurate predictor of performance with the extremely sleek, long, boat-tail bullets, but most shooters are more familiar with G1 B.C. Compared to the 25-06 Remington, the 257 Weatherby Magnum pumps out roughly 600 f-p more energy at the muzzle and 150 to 200 fps more velocity. Friday, July 20, 2018. You could only buy it in a Weatherby rifle, not a Winchester, Remington, or Savage. goes so fast is its allowed pressure, 65,000 psi. This was the year the first Leica laser range finder came out. The .240 Weatherby is the highest velocity commercially produced 6mm cartridge. Weatherby would use a reverse curve for the shoulder—as opposed to the traditional angled shoulder—which would become a hallmark of the Weatherby cartridges. For me, the best whitetail cartridge is the .257 Weatherby Magnum. Get it as soon as Wed, Dec 30. I held dead on and that’s just what the buck became. To put this in perspective, 1945 was the year WWII ended. A turbo 270 WIN that shares a 2.545” length case with the 257, 270, and 7mm Weatherby Magnums. The .240 Weatherby Mag. But there’s a catch and it’s abbreviated B.C. This means we’ll zero so no bullet crests higher than 4 inches above point-of-aim. Dead on the ground. 4.9 out of 5 stars 12. Just as the Savage and Roberts cartridges began life as wildcats—and they are both solid designs—the .25-06 Remington and .257 Weatherby Magnum are the brainchild of those experimental riflemen who felt the need to find the fastest .25 caliber cartridge they could. 240 Weatherby Magnum Rifle Cartridge. BUY NOW by Philip Massaro - The fact remains that .257 Weatherby ammo options are quite limited when compared to the .30-06 and that you can buy .30-06 ammo at a fraction of what you will pay for the cheapest .257 Weatherby ammo. I’m not sure how long it would need to be in order to burn the entire powder column inside the barrel, but it would certainly be unwieldy at the very least. Accuracy and terminal performance are the cornerstones of Hornady ® Precision Hunter ® factory loaded ammunition. 270 Weatherby Magnum Developed 1943 / Produced 1945 Was one of the first Weatherby Magnums offered to customers. I liked that rifle so much that I used it to cull a half dozen whitetails and at least that many coyotes. Clearly, American shooters in the first half of the 20th century were creating a cult of the “quarter bore,” finding it a more-than-sufficient caliber for most North American game — black bears, elk, and moose included. I was shooting a light, sleek, custom M700 from Rifles, Inc. that pretty much put all bullets right where the scope reticle looked, sub-MOA. I'm betting you won't be disappointed. Mag. was introduced in 1944, and within Roy's stable of hard-hitting, flat-shooting magnums, the .257 was his fair-haired favorite, which says a lot. It didn’t used to be that way. Great care has been given by Hornady engineers to develop superior, match-accurate hunting loads that allow the ELD-X ® bullet to achieve its maximum ballistic potential. Niedner introduced rifles for his 25 Niedner, the 30-06 case necked down to hold a .257” bullet. The .25-06 Remington came first, dating back to as early as 1912, when Charles Newton necked the .30-06 Springfield case down to hold the .257″ diameter bullets from the earlier .25-caliber cartridges. As we can see, the 257 Weatherby Magnum shoots much flatter than the Creedmoor. at 6.5 Creedmoor velocities. RCBS Scales Chargemaster Lite 120/240 Vac-US/Intl. The author tests and shoots a wide variety of cartridges and calibers only because he's dedicated to providing information to his readers. Most orders ship within 24 hours (excludes firearms). sent a 100-grain Barnes TTSX through a 3-inch alder limb and then through both shoulders of a black bear during a hunt with Vancouver Island Guide Outfitters. Just five years later A.O. 03. A showing of the more popular .25 caliber ammunition includes (left to right) the .250 Savage, .257 Roberts, .25/06 Remington and the three factory offerings for the .257 Weatherby to include the 87, 100 and 117-grain bullets. The Creedmoor hits 14.8 f-p at 11 fps velocity in the same 8-pound rifle. The .257 Weatherby is an overbore design, meaning that there is more powder in the case than can be burned in a conventional barrel length. Anyone who wishes to hunt with a high performance 6mm (.243”) caliber cartridge has only a few options. Many 140-grain 6.5mm bullets (.264”) are exceeding .600 B.C. If you’re looking for a mild-recoiling, flat-shooting, hard-hitting centerfire rifle you’ve probably overlooked in the past, look to the 257 Weatherby Magnum. Back in the first third of the 20th Century 25-calibers were quite popular. The .25-06 Remington holds the edge as far as a variety of factory loads available, however the .257 Weatherby is far from a proprietary load. Mag. .257 bullet I could dig up for 1-10" twist barrels is the 115-grain Berger VLD Hunting with a claimed G-1 B.C. Until the 243 Winchester and 244 Remington appeared in 1955, the 257 Roberts was the dual purpose varmint/deer cartridge of choice across the land. 130-grain and 131-grain .257 bullets). I feel that both of the cartridges fall into the ‘fast’ category, for the .25-caliber cartridges. The .257 Weatherby is a good alternative to the hard-thumping .30-cal. A post-war American shooting public hot for everything fast and powerful (the rocket, jet plane, and atomic bomb had just been invented) lusted for the 257 Weatherby Magnum. We’re sticking with published data. But things didn’t really start to sizzle until Charles Newton created the 250-3000 Savage for the Savage Model 99 lever-action rifle. It has the same shoulder angle—17-degrees, 30-minutes—as its father, and will drive the 120-grain bullets just shy of 3000 fps. $249.49 $ 249. Surprisingly, it hangs right with it in wind deflection. I've always been biased towards Weatherby simply because I have just always been attracted to them. was introduced for the Weatherby Mark V rifle to be the fastest 6mm available on the commercial market. Ballistic Table . Therefore the higher impact velocity of the .257 Weatherby Magnum will—and in most instances apparently does—switch off a deer’s nervous system. The light 87grain Hornady SP at 3825fps is intended strictly for varmints while the 100 grain Interlock at 3602fps and 117 grain RNSP Interlock … carries it past 750 yards. The parent case design is based off the .375 H&H Magnum by shortening the neck to fit the .257 inch (6.53mm) bullet. Roberts was pretty hot stuff, pushing a 100-grain Barnes TTSX through a alder... 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