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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. After some work he decided to go with a 7x57 Mauser as the parent case and Remington Arms picked up the ...Remember, any loading data is a guide, not an absolute. You may find your individual rifle may shoot the same loads as those published faster or ...Apr 30, 2012. #7. Quite surprised at the velocity you are getting. You are making a 257 Roberts into a 25-06. I own two, 257 roberts rifles. One is a 50's Mauser with 22" raised-solid barrel and super fancy. It shoots 100 grain Speer bullets @ 3030 fps with 41.5 gr. 4064. Used it for decades and it has worked well.The history of the .257 Roberts dates back to the 1920's, when a wildcatter by the name of Ned Roberts began to experiment with the .257” caliber. It has been suggested that Charles Newton persuaded Roberts to settle on the 7x57 case design and that close friend Col. Townsend Whelen suggested a 15 degree shoulder.Mar 23, 2012 ... Here is the loading data from Hodgdon's website for my selected powder and bullet for .257Roberts. Notice that it is a conservative load meant ....257 Roberts (Accurate Rifle Data) reloading data with 19 loads. Using bullets from Sierra HP, Sierra HPBT, Nosler BT, Sierra SBT. Powders include Accurate ... .257 Roberts (Accurate Rifle Data) Warning! Notes: gun: DOUGLAS; barrel length: 24 inches; primer: CCI 200; case: ....257 Roberts (Hodgdon CFE 223 Data) reloading data with 6 loads. Using bullets from Hornady SP, Hornady HP, Barnes TTSX BT. Powders include HodgdonJan 29, 2013 ... New brass manufacturered today is designed for modern bolt rifles and load data. IMR 4064 is good powder to start with for reloading. This is ...The .257 Roberts A.I. holds around 56.6 to 58.5 grains of water beneath a seated bullet, to the .257 Roberts 51.4 to 53.6 grains, all other factors remaining equal. Hornady’s 90-grain GMX paired best with. 43.5 grains of IMR-4064 at a velocity. of 3,302 fps. That three-shot, 100-yard group. measured .58-inch.Dec 19, 2011 ... 257 Bob. A Ruger #1B that has so far only had Norma 100 gr. loads through it and a Winchester M70 Featherweight that is so far a decent shooter ...Load Data. Nosler Load Data; Reloading Glossary; Dealer Locator. Sign In / Register. Search. Search. Search. Advanced Search. Sign In; Create an Account; My Cart 0. Home; Load Data ... 257 Roberts Ackley Improved. 25-06 Remington. 257 Weatherby Magnum. 25 Winchester Super Short Magnum (WSSM) 6.5mm Caliber / .264” Diameter. 6.5 …If you’ve ever had a debit card marked “nonreloadable,” you may wonder what that means. It simply means once the balance has been depleted, you can’t put more money on it. However,...Be Alert: Publisher cannot be responsible for errors in published load data. Wt. .257 Roberts (Swift Data) reloading data with 24 loads. Using bullets from Swift A-Frame. Powders include Hodgdon, Alliant, IMR. 45 Caliber / .451” Diameter. 45 Auto (ACP) 45 Colt (Single Action Army & Replicas) 45 Colt (Ruger & T/C Contender & Encore) Explore the world of Nosler, renowned for crafting the finest bullets, ammunition, rifles, and brass. Discover our extensive lineup, including Partition, AccuBond, E-Tip, Ballistic Tip, Custom Competition, and more.

We place limited powder inventory for sale on a regular basis on our website. When we are sold out, we are sold out. We do not take backorders and our Tech Services team cannot take orders via email or phone. The max order quantity of any powder SKU is 5 and we will only accept one order, per customer, per calendar month with a maximum weight ...This question is about the NetSpend® Visa® Prepaid Card - Pay-As-You-Go @lisacahill • 06/27/19 This answer was first published on 06/27/19. For the most current information about a...By 2050, 66% of people will live in urban areas. Smarter data-driven urban planning will help make that possible. In the middle of the 20th century, a war waged for the soul of New...Load Data for .257 Roberts. Bullet: 117 gr SBT (Sierra) Diameter: 0.257" Powder: 2520 (Accurate) Starting Powder: 32.9 gr. Max Powder: 36.5 gr. Primer: FED 210. Case: REM. …25 Caliber Neck Sizer Die - 250 Savage, 257 Roberts, 25-06 Remington, 257 Weatherby Magnum. 005-046042 | Hornady. $34.15. In Stock. 257 Roberts Full Length Series III 2 Die Set With Zip Spindle. 005-546274 | Hornady. $63.81. In Stock. 257 Roberts Full Length Pacesetter 3 Die Set With Shellholder.

Plus, you can save favorites, add notes and more. Reloading data is available as low as 99¢ per cartridge or as a subscription for $19.99. Below you’ll find some basic data for each cartridge to help get you started. Basic Load Data. Hornady Manufacturing Company develops and publishes reloading data for the Handbook of Cartridge Reloading.Notes from the Lab: .257 Roberts (using Sierra bullets) N.H. “Ned” Roberts developed the .257 Roberts during the 1920s by necking the 7mm Mauser (aka 7x57) case to accept .257-inch bullets and by changing the shoulder angle from 20 to 15 degrees. Roberts was a well-known experimenter and gun writer, and his cartridge…

Reader Q&A - also see RECOMMENDED ARTICLES & FAQs. Mar 8, 2004 · Well, I'm about three weeks into. Possible cause: Loading Data . Warning; ... Reloading Costs Calculator; Case Crimp Calcu.