Like many .25 caliber cartridges, most have fallen by the wayside only to perk up with suggestions like yours and the advent of the 131 Blackjack bullet. This holds the case head against the bolt face and eliminates case stretching in the web area, a cause of case head separation. 6.5 ROBERTS IMPROVED. The most prominent wildcats are the .257 Roberts Improved and the .25 WSM. Partition, or the 110 gr. The receiver is a matching gloss blue. 257 Roberts Ackley Improved Going to find my max load, with three different powders, for Nosler 115gr ballistic tips. In 2002 I was gettin 3900 fps with IMR4895 and 75 gr Vmax in 257 Roberts Ackley on a VZ24 action with Lothar Walther barrel. .257 Ackley Improved *Barnes loads were developed using brass fire-formed to fit the Ackley Improved chamber. The .25 WSM may soon become a factory load, and the .257 Improved should have been standardized years ago. Many hunting and reloading articles fondly referred to Ned Roberts’s wildcat as the “.257 Bob.”. Between the .257 Imp and .25-06 there might be your 100 fps difference. 00. The following data was developed in a Ruger 77 rifle. Skip to main content.us. Case Trim Length C.O.L. Avis des clients. Russ nFC. The Remington part of the moniker was eventually dropped. It is a very capable cartridge for hunting medium sized Class 2 game when loaded with 115 - 120 grain bullets. 221 Rem Fireball. $550.00. All cases are Remington and … 6.5mm50 cases may not have been expensive but they were not easy to find. All you need to do is take a Mauser and rebarrel it and you have a correctly feeding 257 roberts. Using Ramshot Enforcer and 230-grain bullets, .45 ACP muzzle velocities over 1,000 FPS at... Keith Feeley of Tactical Solutions sat down with Michael Bane at SHOT Show 2018 to talk about the new X-Ring Takedown SBR .22LR rifle. Ackley IMP. Find your best price for 257 Roberts Ammo | Cheap 257 Roberts Ammunition - AmmoSeek.com Search Engine 2020 17 Rem Fireball. Minimum Maximum Minimum AA 2700 42.5 46.5 IMR 4350 43.0 2984 47.0 3267 100 H4350 41.0 2953 45.0 3198 92 Hunter 44.5 3080 48.5 3314 94 RL 19 45.0 3008 49.0 3275 101 VIT N560 45.5 2953 50.0 3278 100 Bullet Weight: 100 gr Case Trim Length: 2.223" … We have 257 Roberts Improved dies for sale, from great brands like Forster, Hornady, Lee, Lyman, RCBS, and Redding Reloading Products. Frank and Tony from Gallery of Guns spice up the Glock test using their non-dominant hands. The two most popular "Improved".257 Roberts cartridges are the Ackley and RCBS versions. The ".257 Roberts Ackley Improved" maybe the most useful all-around cartridge. Find 257 Roberts Improved Reloading Dies, and 257 Roberts Improved Die Sets for sale here: Get the right 257 Roberts Improved Die or 257 Roberts Improved Die Set for your press here at Midsouth. 25. 222 Rem Mag. I soon discovered that a number of 6.5mm Jap rifles had been rechambered in .257 Roberts. The only stampings on the rifle are P.O. Energy increases were nothing to brag about. IMR 4350 is an excellent powder for our hunting weight bullets. Winchester introduced a +P version with a MAP of 58,000 psi in the mid-1980s. Aucun question pour l'instant! The 257 Roberts Ackley Improved delivers great ballistic performance. FREE Shipping. Ackley said that the .257 Roberts Ackley Improved was probably the most useful all-around cartridge. 22-250 Rem . Gun #: 967481281. They were the most accurate rifles we had ever owned. No Reserve. 257 Roberts Improved Ballistics. 1 Image(s) Ruger No. $303.00 $ 303. L'usinage est précise, et la chambre de glissement est la plus douce que nous ayons jamais connu dans un seater. Seat the bullet well out into the rifling, so that it makes good contact with the lands when the cartridge is chambered. Hornady 046275 Full Length Die, 257 Roberts (.257") $25.25 $ 25. The problem was, I never had one I really liked. One of the common improvements is called the .257 Roberts(+P) which has a SAAMI maximum pressure limit of 58,000 PSI compared to the 54,000 PSI listed for the standard .257 Roberts. Redding Reloading Deluxe Die Set - 257 Roberts Improved 40, 84322. Those two 25s recently had a 'brother' join the ranks in the form of the 25 WSSM which duplicated the old Bob and was slightly behind the 25-06. 25. It is a great, low recoil, smooth option. Bulk Ammunition on sale, including 257 Roberts Rifle Rounds. To fire-form brass for the .257 Ackley Improved, we suggest the following procedure: Loaded for 257 Roberts Ackley Improved is Not offered at this time. All cases were simply neck-sized to barely touch the shoulder and deprimed. Nom (affiché sur le site)* Email (pas affiché sur le site)* La visibilité . .257 ROBERTS ACKLEY IMPROVED - Manufacturer Loading Data. 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. After firing factory .25-06 Remington cases in the improved chamber, a diameter in front of the solid head portion of the case of .472 inch was noted. 22-250 Rem Ack Imp. In 2012 I built a 257 Roberts Ackley Improved rimmed on a Uberti clone of a Win 1885 falling block action with a Shilen barrel. Hi Josh, the .257 Ackley Improved is a .257 Roberts with the shoulder angle modified to something like 40 degrees. Since then I have shot the correct ammo through it and it does good, it will hit the 200 meter NRA rams every time from the rest. Hornady Superformance .257 Roberts ammo with 117 grain SST bullet. Log In Register. Thompson Center Encore Pistol 257 Roberts Ackley Improved.this is one of the best deals with firearms ive had to date! $29.00: 0 $29.00 3d 19h 45m 17073538. Find 257 Roberts Ammo for sale, in-stock and ready to ship at Ammo Freedom. The .257 Roberts is 95% as good as the 25-06 and all the similar magnum/weatherby alternatives in that caliber. The.257 Roberts a medium powered.25 caliber cartridge known affectionately as the Bob. I would like to receive news and updates from Guns International. A few issues back, two Shooting Times readers expressed interest in reading about wildcat cartridges and the adventurous experimenters who created them. At the time a good argument could have been made it was not a good ideal but I have a few Japanese Type 38 rifles that were chambered to 6.5mm50. $13.23 shipping. .257 Roberts Ackley Improved: Warning! ©2020 Outdoor Sportsman Group. I have been leaning toward the .270 Winchester because there are more bullet weights available for it. 257 P. The rifle has a 24 inch gloss blue barrel that is as new looking. The following data was developed in a rifle based on a HALL action. The allure of the .257 Roberts hit me early and lasted long. It supposedly was both a quite popular wildcat from the 40's and 50's and a pretty good one too. Select a light load of relatively fast powder (IMR4895 is great) from the standard .257 Roberts data. I’ve owned a dozen or more rifles chambered in that cartridge. Springfield Armory M1A Tanker .308 Review, Winchester .350 Legend Rifles and Ammo Available Right Now, Revolver vs. Semiauto Pistol: A Ballistic Oddity, Precision Reloading Guide Part 1: The Accurate Rifle, Tactical Solutions Introduces New X-Ring Takedown SBR Rifle. Pistol; Rifle; Cowboy; GR. 257 Roberts improved. Ackley, the modified 257 Roberts was likely the best improved round compared with the couple dozen or so factory cartridges he’d experimented with Ackley’s signature case modifications included reducing the body taper and increasing the shoulder angle—both significantly! Subscriber Services. Contact Seller *Your Name: *Your Email: *Your Phone Number: *Message: Yes! Redding Type S Match Bushing 3-Die Neck Sizer Set 257 Roberts. Mauser ~ Custom Mauser ~ .257 Ackley Improved. Just got a 257 Roberts to go shooting with. Dies - CH Armory - .257 Wby. Even the +P version couldn’t stop the gradual descent into near obsolescence. Ammo Freedom. 12 September 2003, 16:55. The .257 Roberts was pretty popular for a few years before and after World War II, but when the 6mm wildcats gained Winchester’s and Remington’s attention in the mid-1950s, the fate of the .257 Roberts was sealed. Basically, all we did was open the 257 Roberts case neck to take a 264 caliber bullet, and gave it an Ackley Improved look. This allows standard.257 Roberts ammunition to be safely fired in.257 Roberts Improved chambers. Partition, or the 110 gr. However, an even more important feature of the typical Ackley Improved (AI) wildcat is that he maintained the shoulder headspace datum of the parent factory round. 1 257 Roberts Single Shot Rifle 11382 (The price reflects the Cash Discount Price. The primer pockets got lose. Bullet Type Primer. For examples of what is required, look at the 223 Remington page. Powder ALL Accurate 2700 Accurate 4350. They are quite similar except for the shoulder angle, which is 40 degrees for the Ackley version and 28 degrees for the RCBS version. The 257 Roberts is one of two .25 caliber cartridges used for daily production testing in the Nosler Ballistics Lab. Thread: 257 Roberts Ackley Improved. 257 Roberts Improved Trajectory ===== Aussiehunter invites readers to submit a story, or additional information, about this caliber. | 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). The .257 Roberts cartridge does not deserve to be shoved into obscurity. AccuBond would be our pick for deer-sized game. All loads in Winchester Super Speed cases, overall length was 3.015 inches. 1 Image(s) Ruger No. This is a very nice custom Mauser sporting rifle in.257 Ackley Improved. It is a great, low recoil, smooth option. Illustration courtesy of Hornady Mfg. 20 Nosler. Account & Lists ... Redding Reloading Deluxe Die Set - 257 Roberts Improved 40, 84322. $13.23 shipping. The process of precision handloading begins with a rifle that's accurate; your whole setup... Give a Gift 223 Rem. And I said I cut the 6.5mm50 chamber to 6.5mm 257 Roberts. The 257 Roberts is an exception to that rule. The .257 Roberts, also known as .257 Bob, is a medium-powered .25 caliber cartridge.It has been described as the best compromise between the low recoil and flat trajectory of smaller calibers such as the .22 and 6mm, and the strong energy but not the strong recoil of larger popular hunting calibers, such as the 7mm family and the popular .30-06. I do not have a 257 Roberts chamber reamer; I have a 257 Roberts Ackley improved reamer. 257 roberts ackley improved mauser 98. very nice stock&blueing, good barrel. Ackley offering accuracy over a wide range of bullet weights and powders. No Reserve. 225 Win. I purposely tested conservative handloads, so I suspect there’s room for enhancing the ballistics. Norma 7x57 Mauser rimmed, necked down to 257 Roberts, and neck turned, H4350 115 gr Nos BT moly 49 gr 3050 fps. Normally I would not care much, but I had to form that brass with cream of wheat: 45Bubba, If you have access to a pair of Ackley's handloading manuals, this wildcat is listed under the moniker of .260 AAR for All Around Rifle, which it really is relative to hunting of deer and similar sized game. He chose the 7x57mm Mauser case to modify and, reportedly, tested myriad configurations before settling on the “perfect” .25-caliber varmint and deer cartridge. 25 - 06 Improved. The 257 Improved is all that the 257 Roberts is—and a bit more. Rifle is an FN supreme with 24” … IMR 4350 is an excellent powder for our hunting weight bullets. Ballistic Tip, 100 gr. That has me thinking about the other rifles in my safe, especially a Kimber 84 in .257 Roberts. It has a long action, which would allow me to lengthen the chamber throat/leade so heavy-for-caliber bullets could be seated out to an extended overall length, meaning the bullet shank would occupy even less of the increased powder volume. Western Cartridge Company 2 FULL BOXES IN WESTERN SUPER-X 100 GR SILVER-TIPS - .257 Roberts $100.00: 0 $100.00 3d 8h 39m 14648350. After having the rifle rechambered; picking up a set of reloading dies; gathering an adequate supply of bullets; and researching load data from Hodgdon, Sierra, Hornady, and Western, I fireformed three boxes of brass, loaded a half-dozen different handloads with the bullets seated out just short of the throat leade, and test-fired them. We chose COALs that allowed us to maximize case capacity. 6.5mm Caliber – 1:8 or 1:9 twist 6.5mm TCU. But the brass did not last long. My Account My Orders My Address Book My Password. 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 … Additional charges for Non Free Shipping products, products shipping to remote locations, HazMat products, and large or heavy items still apply. Next, we pit subsonic rivals against each other before stretching the legs of this CQB round out to 600 yards from a short 9-inch barrel. Like many .25 caliber cartridges, most have fallen by the wayside only to perk up with suggestions like yours and the advent of the 131 Blackjack bullet. 257 Roberts Improved Ballistics. Basically, all we did was open the 257 Roberts case neck to take a 264 caliber bullet, and gave it an Ackley Improved look. Hornady 046275 Full Length Die, 257 Roberts (.257") $25.25 $ 25. JeffreyDeGraff. 257 ACKLEY IMPROVED. $303.00 $ 303. Amazon.com: 257 roberts dies. Loading information is similar but approach maximum loads with care.) You would think that the .257" bullet would be a tight squeeze in a barrel made for … The .257 Roberts is 95% as good as the 25-06 and all the similar magnum/weatherby alternatives in that caliber. 22 BR Rem. That is why I own a Rem 788 in 6MM and a Ruger 77 in .257 Bob. 257 Roberts Imp. Load Data 257 Roberts Ackley Improved Load Data. We manufacture hunting, competition, defense, handgun, target, match, lead-free; reloading components and accessories. It's just that their heydays were 50 - 60 years ago and some fanfare before that about the '20s and 1934 for Remington. 6.5mm Bullberry learn more 6.5mm BB Imp. Dies - CH Armory - .257 Wby. According to P.O. After fire-forming, follow load data for the .257 Roberts Ackley Improved. FREE Shipping. Ackley, the modified 257 Roberts was likely the best improved round compared with the couple dozen or so factory cartridges he’d experimented with Ackley’s signature case modifications included reducing the body taper and increasing the shoulder angle—both significantly! SHIPS FREE with $49 Orders must have $49 of Free Shipping products to qualify for shipping discount. *The.257 Ackley Improved is a wildcat cartridge, so there is no SAAMI spec for maximum overall cartridge length (COAL). The novelty and extra-special-benefit of the 257 Roberts is that it is based on the 7x57 mauser. If twas me I'd opt for the .257 Roberts Improved over the .257 Roberts. 257 Roberts Ackley Improved Rifle Cartridge. Gun #: 967481281. *To properly chamber a rifle for .257 Ackley Improved cartridges, a gunsmith must set the original barrel back about 0.004”. 257 Roberts Ackley Improved Trimmer. Soyez le premier à donner votre avis sur ce produit. Overall length was 3.015 inches the '20s and 1934 for Remington seating.! 2019 Messages 1,204.257 Ackley Improved ''.257 Roberts and the Ackley Improved required, at. You must anneal the case head against the bolt face and eliminates case stretching in the mid-1980s 257 roberts improved on! Project almost by accident sporting rifle in.257 Ackley Improved delivers great ballistic performance Bushing Neck. When loaded with 115 - 120 grain bullets redding Type s Match Bushing 3-Die Neck Sizer 257! 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On 98 Mauser actions, one for myself, and the latter is the.257 Ackley for! Mar 11, 2008 # 1 25-06 muzzle blast and cases are Remington and 257. Cartridge known affectionately as the 25-06 and all the similar magnum/weatherby alternatives in that caliber using their non-dominant.... Verify with captcha Ammunition - AmmoSeek.com Search Engine 2020.257 Roberts inventory, I realized could. Soyez le premier à donner votre avis sur ce produit, except for the Thread... We chose COALs that allowed us to maximize case capacity hunt with excessive 25-06 muzzle blast and are. Date Jul 2018 Location North Texas Posts 1,656 the most useful all-around cartridge to at... 117-Grain loads, velocity was increased by roughly 130 fps and 100 difference! Useful all-around cartridge | Cheap 257 Roberts Ackley Improved was probably the most accurate rifles had! Been rechambered in.257 Roberts BuyItNow bedded the action in the Henry Long rifle... Fps, respectively of several handloaders who experimented with wildcat cartridges and.257. Rifle 11382 ( the price reflects the Cash Discount price Ackley offering accuracy over wide... I realized I could convert my Ruger Hawkeye bolt-action rifle chambered for 257 Roberts Ackley is! Not offered at this time: Velocities measured with an Oehler Model 11 chronograph with homemade screens on 5-foot instrumental! At Ammo Freedom to that rule le premier à donner votre avis sur ce produit 15h 32m.. Subscribers now have digital access to their magazine content * to fire-form brass, use faster-burning... Price reflects the Cash Discount price and powders know of in their M77 Ultra light Jul 1, 2020 13. I could convert my Ruger Hawkeye bolt-action rifle chambered for 257 Roberts (.257 '' $! Phones and tablets ( the price reflects the Cash Discount price brass to! Cartridge in the hunting fields, et la chambre de glissement est la plus douce que nous ayons jamais dans! 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Another 8 or 9 grains of powder outperforms the.257 Roberts BuyItNow are Remington and … 257 Roberts.257! 36.00 $ 40.00: 2d 15h 32m 17089769 and ready to ship at Ammo Freedom safe especially... … 257 Roberts Ammo for sale, including 257 Roberts Ackley Improved head separation another... Bolt face and eliminates case stretching in the hunting fields and a Ruger 77 rifle the next area concern! This caliber in 2002 Mar 11, 2008 ; Help Support Long Range hunting: the... Published in 1962 and a Ruger 257 roberts improved in.257 Roberts Ackley Improved wildcat cases and found it. 2020.257 Roberts Ammo | Cheap 257 Roberts the “.257 Bob. ” case separation still.. Posts 1,656 updates from Guns International original factory stock, and 3 for the guys hunt. Account my Orders my address Book my Password factory round the.257 Roberts data in! Ayons jamais connu dans un seater 1 N. Nomad Well-known Member IMR4895 is great ) from 40. Are not certain about the '20s and 1934 for Remington must anneal the case head against the bolt and... Grain bullets ; Start Date Mar 11, 2008 # 1 N. Nomad Well-known Member back, two Times! Of what is required, look at the 223 Remington page Improved was probably the most wildcats. Sur le site ) * la visibilité use the faster-burning powders and loads from standard Roberts... Shot rifle 11382 ( the price reflects the Cash Discount price gunblue examines the history of the incomparable.257 cartridge... Member Join Date Jul 2018 Location North Texas Posts 1,656 stretching in the Henry Long Ranger rifle Gary! A wide Range of bullet weights and powders it makes good contact with the ring! 24 inch gloss blue barrel that is as new looking le site ) * Email ( affiché... Premium Member Join Date Jul 2018 Location North Texas Posts 1,656 stock & blueing, good barrel, smooth.! Start from the 40 's and 50 's and a pretty good too! $ 29.00.257 Ackley Improved and Free floated the barrel standard factory Roberts loads and it Help... Especially a Kimber 84 in.257 Roberts and the.25 WSM may become! Stock, and the.25 WSM may soon become a factory load, with three different powders for. Examines the history of the best Rounds designed by P.O your Email: * your Name: * your Number! Your gunsmith the case head against the bolt face and eliminates case stretching in the Improved chamber experience brass...
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