Hornady 046277 Full Length Die, 257 Weatherby (.257) $56.03 $ 56. The .257 Weatherby Magnum features the Weatherby double radius shoulder. Home / Rifle Ammunition / 257 Wby Mag. Ammunition. The 257 Weatherby Magnum was designed by Roy Weatherby in 1944, so is one of the original Weathery Magnum cartridges. These bullets include most Barnes' bullets over 110 gr (7.1 g) and any conventional spitzer bullet of over 115 gr (7.5 g). Midsouth offers great deals on all kinds of 257 Weatherby Mag Centerfire Rifle Ammo. Ballistic Table . Initially due to the cartridge's high velocity the cartridge exhibits less bullet drop than most other cartridges. Double Tap ammunition also offers loaded ammunition for sale. being produced by Weatherby that include, Hornady, Nosler & Barnes, in addition to Accubond projectiles. 257 Wby Mag Showing all 2 results. is an all over bore cartridge for a large rifle with a 1:10 twist. Both SAAMI and the CIP have published specification for the cartridge. Filter by Brand. Nosler Ballistic Tip 30-06 Govt., 150-gr. 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. Bullets which open quickly and have a weight ranging between 95–110 gr (6.2–7.1 g) such as the Nosler Ballistic Tip bullet are excellent choices for this game species. I spent a lot of time working up loads for this rifle—while I love Weatherby factory ammo, it is a bit pricey for somebody who likes to shoot a lot—and finally settled on a load of 70 grains of IMR 7828, either the 110-grain Nosler AccuBond or 115-grain Nosler Ballistic Tip bullet, and CCI 250 primer. .257" 25 Spitzer BTSP Weight (grains) 120 Ballistic Coefficient 0.480 Sectional Density 0.260 COAL Tested 3.170" Speer Part No. The .257 Wby. However, in Europe cartridge designation nomenclature for a large part relies on the bore diameter. $50 - 99.99; Weatherby Select Plus Ammunition, 257 Weatherby, 120 Grain, Nosler Partition, 20 Round Box N257120PT I was recently on a hunt in Texas, with a couple other prominent gun writers—I bet you … Sort By: ... Weatherby B257100TTSX Select Plus 257 Weatherby Mag 100 GR Barnes Tipped TSX 20 Bx 10 Cs MSRP: $99.00 $70.00. 5.6 g / 87 gr. The .257 Weatherby Magnum was one of the first cartridges which used the shortened, blown out and necked down .375 H&H Magnum case and served as the forerunner to the standard length magnum cartridges such as the 7mm Remington Magnum and the .338 Winchester Magnum. .500-465 Nitro Express, .25 Winchester Super Short Magnum (WSSM), 7mm Weatherby Magnum, .32 Short Colt, .500 Jeffery, .44 Remington Magnum (Rifle Data), .300 Winchester Magnum, 6.53mm (.257) Lazzeroni Scramjet, .416 Weatherby Magnum, .264 Winchester Magnum, .32 Winchester Special, .38-55 Winchester, .338-378 Weatherby, .223 Winchester Super Short Magnum (WSSM), 8.59mm (.338) Lazzeroni Titan. Conclusion. 257 Weatherby Magnum. OK. Capable of driving an 80-grain bullet at 3,900 fps and a 100-grain bullet upwards of 3,600 fps, the Weatherby far outpaced the .257 Roberts, its main quarter-bore competition at the time. The .257 Weatherby is a hunting cartridge and has not, to a significant extent, been adopted into any other shooting discipline. of water (5.45 cm3). How to Sight in a Scope - Step by Step Guide. FREE Shipping. This is especially true in major grasslands such as prairies, steppes, Pampas, or savannah; or in mountainous terrain such as the Rockies, Alps or the Himalayas. The .257 Weatherby Magnum shares the same cartridge case as the .270 Weatherby Magnum and the 7mm Weatherby Magnum. As we can see, the 257 Weatherby Magnum shoots much flatter than the Creedmoor. The Weatherby rifles have deeply blued barrels while the Remington rifles have matte stainless steel barrels. The N257115BST bullet retains enough energy to be effective on deer out to 550 yd (500 m) while the SXP270S's bullet extends this range out by a further 100 yd (91 m) although both the Weatherby's and Winchester's ammunition start with roughly the same muzzle energy. When sighted in for 300 yd (270 m) the bullet of Weatherby's N257115BST ammunition has only dropped 21.9 in (56 cm) at 500 yd (460 m) and retains 1,347 ft⋅lbf (1,826 J) energy. 257 Weatherby Magnum. It’s obvious now how popular the .257 Weatherby is by the support of commercial ammunition on the retail level. I think that for an ultimate one hunting rifle the 257 is king. The .257 Weatherby will push the 117- and 120-grain bullets to a sizzling 3300 to 3400 fps; this is certainly an impressive velocity, and will generate nearly 3,000 ft.-lbs. The .257 Weatherby Magnum is one of the most overbore cartridges available. My 257 is a Mark V Ultralightweight in a McMillan stock. Remington Arms manufactures released the Special Editions of the Model 700 CDL SF and the Model 700 LSS in 2008. 257 Wby Magnum 110 gr ELD-X ® Precision Hunter ® Item #81364 | 20/Box . 2.5 in (64 mm). 7mm Remington Magnum, .338 Winchester Magnum, .280 Remington, .300 Dakota, .375 Ruger, .270 Winchester, .405 Winchester, .257 Weatherby Magnum, .458 Winchester Magnum, .264 Winchester Magnum, 7mm Weatherby Magnum, .404 Dakota, .375 Dakota, .270 Weatherby Magnum, 7mm Dakota. Read more Showing all 2 results. I believe that there is a large number of hunters that can testify the efficiency of these magnum rounds on elk hunters. Although the .257 Weatherby is used as an elk and moose cartridge with success in North America, the cartridge is thought of as being ill-suited for these heavier deer, with elk weighing on average 700 lb (320 kg) and moose on average between 1,000–1,400 lb (450–640 kg), depending on subspecies. Bullet Style: AccuBond Use: Deer Sized Game . Add to Cart Compare . [8] Shooting distances are typically long, and the .257 Weatherby is able to reach out to the long ranges required to take the game. is good for medium sized game on long range performance with a flat trajectory up to the size of deer, but can be a bit much for larger game such as Elk using factory loads with out well placed shots around 175 yards. Of the cartridges developed by Roy Weatherby, the .257 Weatherby Magnum was known to have been his favorite, and the cartridge currently ranks third in Weatherby cartridge sales, after the .30-378 Weatherby Magnum and the .300 Weatherby Magnum. The shoulder continuously curves and transitions from the body radius to the neck radius at the point of tangency at the shoulder between the two radii. MTM H50-RS Deluxe 50-Round Rifle Ammo Case Box 223 5.56x45 204 Ruger. Conley Precision Cartridge Company manufactures several premium lines of .257 Weatherby ammunition using Barnes, Nosler, Speer, Swift and Trophy Bonded bullets. [8] The cartridge is effective against smaller plains game species such as gemsbok, waterbuck, nyala and impala. Surprisingly, it hangs right with it … FREE Shipping on orders over $25 shipped by Amazon. The .257 Weatherby Magnum is a .257 caliber (6.35 mm) belted bottlenecked cartridge. The parent case design is based off the .375 H&H Magnum by shortening the neck to fit the .257 inch (6.53mm) bullet. A .257 bullet has a metric bullet diameter of 6.53 mm. The cartridge has had success against mountain sheep and goat whether it be in the Alps, Rockies, Caucasus, Pamir or the Himalayas. Written inquires can be mailed to: Weatherby, Inc. PO Box 6630 Sheridan, WY 82801 USA The original cartridge was developed using the H&H Super 30 (a close variant of the .300 H&H Magnum which in turn is based on the .375 H&H Magnum) shortened, blown out, and necked down to accept a .25 caliber bullet. The drops and wind work almost perfect and are deadly for a hunting gun. The typical pronghorn weighs less than 175 lb (79 kg) and as a small bodied ungulate does not require bullets with a great penetrative ability. Trophy Grade 257 WEATHERBY MAGNUM AMMUNITION . There are light to heavy grain factory loads for the .257 Weatherby Mag. Thus no hold over is necessary when shooting at game at these ranges given that the rifles is zeroed correctly to accomplish this task. Hornady Custom Grade New Dimension 2-Die Set. Norma loads this bullet in the Weatherby's H257117RN ammunition for owner of such rifles who require a heavier bullet. The Weatherby Custom Shop offers a more personalized rifle based on these actions. Weatherby's B25780TTSX, B257100TSX and the N257115BST ammunition have point blank ranges of 369 yd (337 m), 350 yd (320 m) and 323 yd (295 m) respectively. .257 Weatherby Magnum 120 Grain Nosler Partition~ The .257 Weatherby Magnum is a .257 Caliber (6.35 mm) belted bottlenecked cartridge.It is one of the original standard length magnums developed by shortening the .375 H&H Magnum case to approx. B.C. Weatherby rifle ammunition for the .257 Weatherby Magnum is manufactured by Norma of Sweden. 99. [4], The original cartridges were formed using Winchester's .300 H&H Magnum (H&H Super 30) and was only available as a component from Weatherby. The treatment of the body-shoulder-neck transition zone accounts for the inconsistencies between SAAMI and CIP official dimensions for the cartridge. Cartridge Type: RifleHeight: 2.549"Width: 0.531"Average FPS: 3408Average Energy: 2836Average Gr: 110Recoil: 1.76Power Rank: 3.75 of 20. Out of Stock. Cartridge Type: Rifle Height: 2.549" Width: 0.531" Average FPS: 3408 Average Energy: 2836 Average Gr: 110 Recoil: 1.76 Power Rank: 3.75 of 20 The .257 Weatherby Magnum was designed by Roy Weatherby in 1944 and was first introduced into the market during 1948. Earlier .257 Weatherby Magnum rifles had a twist rate of 1 rotation in 12 in (300 mm), which is too slow to stabilize long for caliber bullet. © Copyright GunData.org 2015  |  Koenig Media, LLC   |   Links   |   Sitemap   |   Advertise. Comparing the Remington's Premium PRC2506RA ammunition for the 25-06 Remington Weatherby's N257115BST .257 Weatherby bullet when zeroed for 200 yd (180 m) drops less than 30 in (76 cm) while the 25-06 Remington drop slightly over 44 in (110 cm) at 500 yd (460 m). Weatherby Customer Service representatives are available to assist you: Monday through Friday 8:00 a.m. to 5:00 p.m. (MDT) Visitor/Service Center 9:00 a.m. to 4:00 p.m. (MDT) Customer Service (307) 675-7840. The 117 gr (7.6 g) Weatherby H257117RN ammunition is manufactured for rifles with the slower twist rate. The shortening of the case allowed for the more efficient use of the slow powder of the day, IMR 4350;[2] a powder which would not have provided any great advantage for such cartridges as the .257 Weatherby Magnum or the .270 Weatherby Magnum if such cartridges utilized the full length H&H case. For this reason the body and neck dimensions are lengthened and a shoulder angle provided. Since then, all Weatherby Ammunition has been manufactured by Norma with the exception of a brief period of time between 1963 and 1964 when production moved to RWS/Dynamit-Nobel, a company which had entered into partnership with Weatherby. While we have went to great lengths to make sure that it's as accurate as possible this rendering should not be used to generate specs for casings. Reloading data for 257 WEATHERBY MAGNUM. Sources such as Lyman and Weatherby's pressure rating suggest maximum average pressure limit of 66,000 psi (4,600 bar). The .257 Weatherby Magnum is a .257 caliber (6.35 mm) belted bottlenecked cartridge. Stainless steel barrels can further extend the barrel life of rifles chambered in the 257 Weatherby Magnum. It's my preference. Hornady's 117 gr (7.6 g) round nose bullet is made for such firearms which have the slower spin rate. The cartridge comes into its own where shooting over long distances is anticipated. As the bore diameter of the .257 Weatherby Magnum is .250 inches this would make it a 6.35 mm caliber cartridge which uses 6.5 mm bullets (not to be confused with 6.5 mm caliber cartridges which use 6.7 mm/.264" bullets).

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