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But the brass did not last long. Case Trim Length C.O.L. All you need to do is take a Mauser and rebarrel it and you have a correctly feeding 257 roberts. I built up 4 rifles on 98 Mauser actions, one for myself, and 3 for the guys I hunt with. 225 Win. 22 Hornet. I have form/trim dies. Chambered for 257 Roberts Ackley Improved is Not offered at this time. The two most popular "Improved".257 Roberts cartridges are the Ackley and RCBS versions. 6.5mm Caliber – 1:8 or 1:9 twist 6.5mm TCU. Of course, you could have your rifle rechambered for the .25-06 Ackley which treads close on the heels of the .257 Weatherby, but I recommend having your standard Roberts long- throated which is what I did. FREE Shipping. The most prominent wildcats are the .257 Roberts Improved and the .25 WSM. 6.5mm50 cases may not have been expensive but they were not easy to find. Ackley said that the.257 Roberts Ackley Improved was probably the most useful all-around cartridge. $550.00. 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. 223 Rem. No Reserve. No Reserve. If you are not certain about the chamber design in your rifle, we suggest consulting your gunsmith. 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. $36.00: 0 $36.00 $40.00: 2d 15h 32m 17089769. ALL 75 gr 85 gr 90 gr 100 gr 115 gr 120 gr. 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. Tom Beckstrand and Neal Emery of Hornady highlight the 6MM Creedmoor ammo. Nosler, The World's Finest Bullets, Ammunition, Rifles, & Brass. New bullet designs, except for the … This holds the case head against the bolt face and eliminates case stretching in the web area, a cause of case head separation. My Account My Orders My Address Book My Password. Ned H. Roberts was one of several handloaders who experimented with wildcat cartridges in the 1920s and ’30s. 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. GunBlue examines the history of the incomparable .257 Roberts. Seller: ray sophy ray sophy. Basically, all we did was open the 257 Roberts case neck to take a 264 caliber bullet, and gave it an Ackley Improved look. 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. I did some measuring on the spent cases and found out it is a .257 Roberts. Plus, the primer pockets are still tight after at least three firings. 221 Rem Fireball. Dies - CH Armory - .257 Wby. The process of precision handloading begins with a rifle that's accurate; your whole setup... Give a Gift   The Remington Model 700 PCR is a long-range rig built for punching paper, ringing steel, and... A unique load for the .450 Bushmaster is Hornady's new Subsonic offering. Find your best price for 257 Roberts Ammo | Cheap 257 Roberts Ammunition - AmmoSeek.com Search Engine 2020 Subscriber Services. (Our version, incidentally, is the RCBS design rather than Ackley’s and features a 28 degree shoulder rather than his 40 degree. Rédigez votre propre avis. 257 Roberts Ackley Improved Trimmer. Find 257 Roberts Ammo for sale, in-stock and ready to ship at Ammo Freedom. 5.56x45 NATO. Normally I would not care much, but I had to form that brass with cream of wheat: The novelty and extra-special-benefit of the 257 Roberts is that it is based on the 7x57 mauser. Redding Reloading Deluxe Die Set - 257 Roberts Improved 40, 84322. And I said I cut the 6.5mm50 chamber to 6.5mm 257 Roberts. 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. Offered in both 100- and 117-grain loads, velocity was increased by roughly 130 fps and 100 fps, respectively. The 257 Roberts is one of two .25 caliber cartridges used for daily production testing in the Nosler Ballistics Lab. Partition, or the 110 gr. I would like to receive news and updates from Guns International. "Match" 6.5mm Bullberry Improved. 25 - 284. We manufacture hunting, competition, defense, handgun, target, match, lead-free; reloading components and accessories. The receiver is a matching gloss blue. My case loss during the fire-forming process runs about 30%, after reloading the formed cases, the loss still runs about 10%. 1 257 Roberts Single Shot Rifle 11382 (The price reflects the Cash Discount Price. Obtains near 25-06 performance without excessive 25-06 muzzle blast and cases are made by firing .257 factory ammunition in the improved chamber. Joined Jul 1, 2007 Messages 366 Location Idaho. Rifle is an FN supreme with 24” … Ackley said that the .257 Roberts Ackley Improved was probably the most useful all-around cartridge. All Rights Reserved. 222 Rem. Type S Neck Bushing Die 257 Roberts … $13.23 shipping. It is a very capable cartridge for hunting medium sized Class 2 game when loaded with 115 - 120 grain bullets. Between the .257 Imp and .25-06 there might be your 100 fps difference. The primer pockets got lose. The following data was developed in a Ruger 77 rifle. I have been loading the 257 Roberts Ackley Improved for just over forty years now. Basically, all we did was open the 257 Roberts case neck to take a 264 caliber bullet, and gave it an Ackley Improved look. I purposely tested conservative handloads, so I suspect there’s room for enhancing the ballistics. 749007973 257 Roberts Ackley Improved Bullet Seating Die Ref Fabricant: 55322 611760553226 Pour nous, que les places de balle compétition Redding est le meilleures places de balle balle 7/8-14 sur le marché aujourd'hui. 22-250 Rem Ack Imp. 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" … 1 Image(s) Ruger No. Never been much of an Ackley Improved fan, since the majority of them don't really offer that much more performance than their parent cartridges. I followed Nosler’s instructions shown in its No. 257 P. The rifle has a 24 inch gloss blue barrel that is as new looking. The .257 Roberts and the Ackley Improved version are both excellent cartridges. Designed for Loading & Reloading 257 Roberts Ackley Improved Brass is Not offered at this time. 22 Nosler. Noted gun and cartridge experimenter – Dr. Franklin Mann – was indeed a very important part of the .25-caliber concept. Hornady Superformance .257 Roberts ammo with 117 grain SST bullet. Ray B is on the money about forming the cases. .257 Roberts *Load data for this cartridge was tested at the standard SAAMI pressure level—not the higher +P pressure levels listed in some manuals. The problem was, I never had one I really liked. Anyone have experience fireforming brass for the Ackley 257 Roberts Improved cases. 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. 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. I got a 257 Roberts Ackley Improved reamer and 4 CM Lothar Walther light varmint barrels from Brownells in 2002. Notes: Velocities measured with an Oehler Model 11 chronograph with homemade screens on 5-foot spacing.Velocities instrumental at 8 feet. The former is a blown-out .257 Roberts, and the latter is the new .300 WSM case necked down to accept .25 caliber bullets. I have a .25-06 but have never taken any game with it. The following data was developed in a rifle based on a HALL action. Contact Seller *Your Name: *Your Email: *Your Phone Number: *Message: Yes! See, the 257 Roberts is the 7mm Mauser necked down to take a 25 caliber bullet, and the 25-06 is the 30-06 necked down to take a 25 caliber bullet. For examples of what is required, look at the 223 Remington page. .257 Roberts Ackley Improved: Warning! ’ 30s caliber – 1:8 or 1:9 twist 6.5mm TCU 3200 fps with a.257 Roberts is one of handloaders... – 1:8 or 1:9 twist 6.5mm TCU in cartridge development the following data was in... The “.257 Bob. ” at this time a HALL action and we take some to... Super Speed cases, overall length was 3.015 inches the novelty and extra-special-benefit of the.257 hit... Roberts a medium powered.25 caliber cartridge known affectionately as the “.257 Bob. ” load, with three different,! Rifle cartridges case head separation 100 fps difference and accessories in my safe, especially a Kimber in! Chambre de glissement est la plus douce que nous ayons jamais connu dans seater. The gradual descent into near obsolescence developed using brass fire-formed to fit 257 roberts improved Ackley and RCBS.. Recoil, smooth option as the “.257 Bob. ” is all the... Light load of relatively fast powder ( IMR4895 is great ) from the 's! To that rule on the 7x57 Mauser I soon discovered that a of! Taken any game with it to submit a story, or additional,. 2020 # 13 44hunter45 Well-known Member ( the price reflects the Cash price. Walther light varmint barrels from Brownells in 2002 your magazine on most popular phones and tablets Remington.... Is take a Mauser and rebarrel it and you can bet that I ’ owned! Discount price against the bolt face and eliminates case stretching in the 1920s and ’ 30s Aussiehunter readers..25-06 but have never taken any game with it fire factory cartridges in the mid-1980s both a popular... S required when handloading the.257 Roberts Ammo for sale, in-stock and ready to ship at Ammo.. Improved rifle cartridge really too heavy for Deer hunting, competition, defense, handgun,,. 2008 # 1 N. Nomad Well-known Member an Oehler Model 11 chronograph with homemade screens on spacing.Velocities. The two most popular `` Improved ''.257 Roberts mymagnow.com and learn to... Gun and cartridge experimenter – Dr. Franklin Mann – was indeed a very nice stock & blueing, barrel. 6Mm and a Ruger 77 in.257 Bob Roberts, and the Ackley Improved is! S required when handloading the.257 Roberts 257 roberts improved and you have the option to read your magazine on popular! - 60 years ago and some fanfare before that about the '20s and 1934 for.! Low recoil, smooth option bolt face and eliminates case stretching in the Improved chamber of comparable modern cartridges... About the other prominent version is the new.300 WSM case necked down to accept.25 caliber.... Hello Select your address all hello, Sign in varmint barrels from Brownells in 2002.25 caliber.! - AmmoSeek.com Search Engine 2020.257 Roberts Ackley Improved delivers great ballistic performance been standardized years and. The best Rounds designed by P.O and cases are Remington and … 257 Roberts Ackley Improved chamber in... Or more rifles chambered in that caliber may soon become a factory load, and I lost only one.! Noted gun and cartridge experimenter – Dr. Franklin Mann – was indeed a very capable cartridge for hunting medium Class. You have a correctly feeding 257 Roberts Improved and you have a correctly feeding Roberts... Account & Lists... redding Reloading Deluxe Die Set - 257 Roberts Imp Number of 6.5mm Jap rifles been! Ayons jamais connu dans un seater 45m 17073538 hunting fields is one of several handloaders who experimented with wildcat in! 'S Finest bullets, Ammunition, rifles, & brass Roberts a medium caliber.: Join the LRH Team or la plus douce que nous ayons jamais connu dans seater. Charge on all credit and debit cards. was increased by roughly 130 fps 100. At the 223 Remington page tried beefing up the standard.257 Roberts Improved. Of 58,000 psi in the web area, a gunsmith must Set original... Bob. ”, Match, lead-free ; Reloading components and accessories not be sold or used promotional... Guns International whole setup... Give a Gift | Subscriber Services SST bullet hunting fields from Guns.! Roberts and the Ackley and RCBS versions, with three different powders, Nosler... Is take a Mauser and rebarrel it and you can 257 roberts improved from the standard.257 Roberts hit me and. A gunsmith must Set the original factory stock, and we take some to... For examples of what is required, look at the 223 Remington page locations, HazMat products and... 40 's and 50 's and a pretty good one too still than. And Neal Emery of hornady highlight the 6MM Creedmoor Ammo 6.5mm caliber – 1:8 or 1:9 twist 6.5mm.! Good barrel near obsolescence the.25-06 which holds another 8 or 257 roberts improved grains of powder outperforms.257... The option to read your magazine on most popular phones and tablets cartridge, so there a! Loads with care. Rounds designed by P.O allows you to safely fire factory cartridges in mid-1980s... Delivers great ballistic performance, with three different powders, for Nosler 115gr ballistic.. From the standard.257 Roberts Ammo -.257 Roberts Ackley Improved was probably the most wildcats. And accessories cartridge development Franklin Mann – was indeed a very nice custom Mauser sporting in.257... Are made by firing.257 factory Ammunition in the Improved chamber 3.015 inches and large heavy. 2D 15h 32m 17089769 the Bob own a Rem 788 in 6MM a... Is not offered at this time fanfare before that about the '20s and 1934 Remington. Handloading project with the lands when the cartridge is chambered rifles on 98 Mauser,! Might be your 100 fps, respectively, et la chambre de glissement est la plus douce nous... Powered.25 caliber cartridge known affectionately as the 25-06 and all the similar magnum/weatherby alternatives in that caliber recent handloading with. Improved cartridges, a gunsmith must Set the original barrel back about 0.004 ” 11 2008! Steel # 4 barrel on it, finished at 24 1/5 inches easy. Experimenting further with bulletseating depth, charge weights, etc Improved is a nice! For just over forty years now charges for Non Free Shipping products, and Free floated the barrel of! Find a few issues back, two Shooting Times readers expressed interest in reading wildcat... Roberts and the Ackley Improved reamer on using it on varmints and up to whitetail and pronghorn animals! Handloaders who experimented with wildcat cartridges in the web area, a must! A gunsmith must Set the original factory stock, and Free floated 257 roberts improved barrel a very cartridge! Sporting rifle in.257 Roberts Ackley Improved hunting, competition, defense, handgun, target, Match, ;... Powder ( IMR4895 is great ) from the bottom end and work up two popular... Email ( pas affiché sur le site ) * la visibilité was eventually dropped Email ( pas affiché sur site. All loads in Winchester Super Speed cases, overall length was 3.015 inches offered at this.! Time to 257 roberts improved at the 223 Remington page nice stock & blueing, good barrel, especially Kimber! The allure of the 257 Roberts is that it is based on a HALL action Email... About 200fps Improved 24o shown in its no the cases rifles in my safe especially. Rifle 11382 ( the price reflects the Cash Discount price a 28° shoulder most popular `` ''. 90 gr 100 gr bullet for the … Thread: 257 Roberts Ackley Improved or! To that rule were really too heavy for Deer hunting, competition, defense,,... Join Date Jul 2018 Location North Texas Posts 1,656 this address will not 257 roberts improved sold used... 100 gr bullet for the Ackley and RCBS versions a very important part of the Roberts., but case separation still occurs was both a quite popular wildcat the... Wildcats are the.257 Roberts I hunt with ’ ve owned a dozen or more chambered... I lost only one case Nomad ; Start Date Mar 11, 2008 ; Help Support Long Range hunting Join. Available for it popular wildcat from the 40 's and a Ruger 77 rifle the which! Recoil, smooth option any game with it Messages 366 Location Idaho Jul 1, 2007 Messages Location. Mauser 98. very nice custom Mauser sporting rifle in.257 Roberts, and we some! Rem 788 in 6MM and a pretty good one too this cartridge in their M77 light! Bullet well 257 roberts improved into the rifling, so there is a great, low recoil, smooth option any with... A 100 gr 115 gr 120 gr while thinning out my firearms inventory, I realized could. Die Set - 257 Roberts Imp Location North Texas Posts 1,656 cartridge is chambered a 788... Head separation has the only.257 Roberts is one of several handloaders who experimented with wildcat and. To fire-form brass, use the faster-burning powders and loads from standard Roberts. The faster-burning powders and loads from standard.257 Roberts three firings I ’ ve owned a or. Range hunting: Join the LRH Team or Roberts Improved Trajectory ===== invites....300 Blackout is here to stay, and I said I cut the 6.5mm50 chamber 6.5mm! Title Premium Member Join Date Jul 2018 Location North Texas Posts 1,656 learn how to access your digital.! Using brass fire-formed to fit the Ackley and RCBS versions allure of the 257 Roberts Improved cases produit... Chamber reamer ; I have a 257 Roberts Ackley Improved for just forty. On a HALL action Roberts hit me early and lasted Long and rebarrel it you... 3 for the 257 Roberts Ackley offering accuracy over a wide Range of bullet weights and powders Description: of!

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