While they are recognized around the world for record-setting accuracy, MatchKing® and Tipped MatchKing® bullets are not recommended for most hunting applications. For reloading duties, I use Winchester Large Rifle primers that give excellent results. Author: Stan Trzoniec / Wolfe Publishing Co. You must be a subscriber to see the full article. It was plain wrap RPs vs. +P. AccuBond would be our pick for deer-sized game. In addition, Winchester and Hornady still turn out factory ammunition. 115 SW Columbia St | Bend, Oregon, USA 97702  |  Toll Free: Nosler Showroom / Open to the Public:  Monday - Friday 10:00 am to 5:30 pm PST, Load Data &Technical Information by Cartridge. The .257 Roberts has (finally) been updated to piezoelectric pressure measurements, with standard pressure loads listed at 54,000 psi while +P loads are listed at 58,000 psi. According to Johnny Falk, in a letter dated in the last quarter of 1980, the information in the brochure " is still not ready for publication." 300 Win. I just don't see the need for hiper velocity in a 257. As it turned out, the .257 Roberts was chosen because I had obtained a rifle about a year earlier. The .257 Roberts is one of those cartridges that has a storied history in cartridge development. Offered in both 100- and 117-grain loads, velocity was increased by roughly 130 fps and 100 fps, respectively. Filter. LEE PRECISION 257 Roberts Gauge/Holder. Townsend Whelen mentioned in one of his many books: “I think that no man ever spent so much time in perfecting a cartridge as Mr. Roberts spent on this one.”. I embarked on my .257 AI project almost by accident. ALL 60 gr 75 gr 80 gr 85 gr 87 gr 90 gr 100 gr 115 gr 117 gr 120 gr. Recipes . If we take the Roberts with a 100-grain bullet at 3,000 fps and zero the rifle for 200 yards, bullet drop at 300 yards is only 7.2 inches. 260 Rem. 270 Weatherby Magnum. Filter By Done. The sizing die is set to bump the case holder, then I try each case in the chamber of the Model 70. The .25-06 which holds another 8 or 9 grains of powder outperforms the .257 Ackley by about 200fps. All bullets were seated to the recommended overall loaded length of 2.780 inches. It seemed that the company was testing acceptance of such a reissued rifle with extra detailing (hence the XTR designation) in a number of small geographical areas, and Vermont was one of them. You may have to register before you can post: click the register link above to proceed. Cartridge Type: Rifle Height: 2.233" Width: 0.473" Average FPS: 2790 Average Energy: 2039 Average Gr: 118 Recoil: 1.47 Power Rank: 3.29 of 20 The .257 Roberts was designed in the 1920s when wildcatter Ned Roberts started to do experiments on the .257 caliber cartridges. 300 Win. While there are several versions of .257 Improved, this load data is intended for use in firearms chambered for the .257 Roberts Ackley Improved (40° shoulder angle). Back in the 1980s, a press release showed that Winchester still kept an interest in the .257 Roberts by introducing a +P version of the cartridge. 280 Rem. The maximum loads in the accompanying data are almost all +P pressures. 1. 257 Roberts Load Data Using Hornady reloading data with the 257 Roberts bullets creates … Everyone likes to try various powders in their loads for testing. 117 gr bullets: Max loads: 50 gr RL 19: ≈2920 120 gr bullets: Max 49.5 gr RL 19: ≈ 2890 fps Also quite Elk-effective! RCBS 20515 Carbide Die Set, 9MMLUGER/9x21/9x23. Discussion Starter • #1 • Mar 23, 2012. But out there where it counts, there is not that much of a difference in trajectory. The company’s first rifle was the Model 30 bolt action. Right click on the image of the load data and use save as. 4064. This cartridge is at its best when loaded slightly below maximum as the extra powder does not help accuracy, velocity or wear and tear on the rifle or shooter. The 257 Roberts uses the 1989 7.65x53mm Mauser or 7x57mm Mauser case head built with a large Boxer primer pocket and so is only good for handloaders to ~ 67 kpsi for long brass life with margins [in strong rifles]. It may not be as popular, but it’s not dead. 284 Win. The 257 Roberts is one of two .25 caliber cartridges used for daily production testing in the Nosler Ballistics Lab. For varmints, our 85 grain Ballistic Tip works very well with faster powders such as RL15 and H380. 257 Roberts. 270 Weatherby Magnum. 260 Rem. Basic components for the .257 Roberts are generally easy to find. It’s simply too much fun to shoot! Short Magnum. More Buying Choices $6.95 (6 new offers) LEE PRECISION 338 WM Pacesetter Dies. While this is all well and good, the .257 Roberts deserves to be handloaded for use in the field. Since this was my first time out West for antelope, cartridge choice was an important consideration. Vintage RCBS dies and CCI BR-2 primers were used to develop load data. Over years of using the Roberts on game from summer woodchucks to bigger game out West, I found this cartridge extremely adaptable to most powders in the medium burning range. Reloading Questions; About. 300 H & H Magnum. Mar 29, 2008 #1 I am trying to work up a load for my bob I want to use 117gr round nose bullets . I own two, 257 roberts rifles. Load Data &Technical Information by Caliber. We are currently populating the cartridge drop-down menu with updated cartridge renderings, new propellants and bullets, and links to complimentary product pages. Reloading . Niedner and L.C. 257 roberts. The 100 gr PT works very well from the 257 Roberts. The fine .257 Roberts is based on a necked-down 7mm Mauser case, and was legitimized by Remington in 1934. Short Magnum. If you are not certain about the chamber design in your rifle, we suggest consulting your gunsmith. 280 Rem. According to the history I’ve read, Roberts worked with F.J. Sage on the project, assisted by Townsend Whelen, A.O. Ultra Magnum. .257 roberts seven cdl remington model 7 22" robert curly maple stock limited run 85906 22 inch " barrel saint marys, pa 15857: new: 2/10/2021: $1,550.00 .257 roberts remington seven cdl curly maple 257 (nib) hard to find 26400 22 inch " barrel westfield, pa 16950-8758: new: 2/1/2021: $1,397.00 .257 roberts ruger & company inc ruger no. It shoots 100 grain Speer bullets @ 3030 fps with 41.5 gr. Select your cartridge type from the drop-down list. His choice in brass was the 7mm Mauser necked down to .25 caliber. I am shooting a 20" suppressed Ruger Hawkeye chambered in 257 Roberts. I am only stating what the numbers show. FREE Shipping . 284 Win. In 1934, Remington Arms showed interest in the cartridge, changed the shoulder angle to 20 degrees and paved the way to full commercialization in the same year. The .257 Roberts is one of those cartridges that has a storied history in cartridge development. Rifles, Reloading, Optics, Equipment. At the Orvis flagship store in Manchester, Vermont, I found a brochure at the counter highlighting the rifle.
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