Partition, or the 110 gr. That allows you to safely fire factory cartridges in the modified chamber. The bolt is a po .257 Ackley Improved SOLD 25. Lyman BULLET MOULD - .25 … Redding Type S Match Bushing 3-Die Neck Sizer Set 257 Roberts. Thread Tools. 250 Gibbs. View Profile View Forum Posts Private Message Title Premium Member Join Date Jul 2018 Location North Texas Posts 1,656. I soon discovered that a number of 6.5mm Jap rifles had been rechambered in .257 Roberts. Winchester introduced a +P version with a MAP of 58,000 psi in the mid-1980s. 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. Energy increases were nothing to brag about. 17 Rem. Rédigez votre propre avis. Between the .257 Imp and .25-06 there might be your 100 fps difference. Mag. Tom Beckstrand and Neal Emery of Hornady highlight the 6MM Creedmoor ammo. 20 Nosler. 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. They are quite similar except for the shoulder angle, which is 40 degrees for the Ackley version and 28 degrees for the RCBS version. $29.00: 0 $29.00 3d 19h 45m 17073538. He chose the 7x57mm Mauser case to modify and, reportedly, tested myriad configurations before settling on the “perfect” .25-caliber varmint and deer cartridge. 257 roberts ackley improved mauser 98. very nice stock&blueing, good barrel. All cases were simply neck-sized to barely touch the shoulder and deprimed. Ackley IMP. I embarked on my .257 AI project almost by accident. Account & Lists ... Redding Reloading Deluxe Die Set - 257 Roberts Improved 40, 84322. It originally had a 243 barrel that was thoroughly shot out. Seller: ray sophy ray sophy. 257 Roberts improved. Ackley has a couple listed in his book published in 1962. Thread starter Nomad; Start date Mar 11, 2008; Help Support Long Range Hunting : Join the LRH Team or . ©2020 Outdoor Sportsman Group. This holds the case head against the bolt face and eliminates case stretching in the web area, a cause of case head separation. 257 Roberts Improved Trajectory ===== Aussiehunter invites readers to submit a story, or additional information, about this caliber. 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. The .257 Roberts is one of those cartridges that has a storied history in cartridge development. Many hunting and reloading articles fondly referred to Ned Roberts’s wildcat as the “.257 Bob.”. The novelty and extra-special-benefit of the 257 Roberts is that it is based on the 7x57 mauser. Type S Neck Bushing Die 257 Roberts … The way I had that figured there was no way I would have a chamber that used less powder or cases that cost me more than 1¢ each. 257 P. The rifle has a 24 inch gloss blue barrel that is as new looking. The.257 Roberts a medium powered.25 caliber cartridge known affectionately as the Bob. 22 Caliber.224” Diameter. They are quite similar except for the shoulder angle, which is 40 degrees for the Ackley version and 28 degrees for the RCBS version. I built up 4 rifles on 98 Mauser actions, one for myself, and 3 for the guys I hunt with. The two most popular "Improved".257 Roberts cartridges are the Ackley and RCBS versions. A few issues back, two Shooting Times readers expressed interest in reading about wildcat cartridges and the adventurous experimenters who created them. 22 BR Rem. Ammo Freedom. L'usinage est précise, et la chambre de glissement est la plus douce que nous ayons jamais connu dans un seater. No Reserve. The ".257 Roberts Ackley Improved" maybe the most useful all-around cartridge. Powder ALL Accurate 2700 Accurate 4350. Skip to main content.us. The problem was, I never had one I really liked. Questions sur CH4D Jeux d'Outils 257 Roberts Improved 24o. Either the 100 gr. Thread: 257 Roberts Ackley Improved. Bullet Type Primer. Partition, or the 110 gr. Anyone have experience fireforming brass for the Ackley 257 Roberts Improved cases. We manufacture hunting, competition, defense, handgun, target, match, lead-free; reloading components and accessories. Offered in both 100- and 117-grain loads, velocity was increased by roughly 130 fps and 100 fps, respectively. 222 Rem. TECHNICAL INFORMATION: 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). Case Trim Length C.O.L. 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. AccuBond would be our pick for deer-sized game. Hello Select your address All Hello, Sign in. "Match" 257 Roberts Improved. Later, when I measured water capacities of a standard .257 Roberts case and several fireformed AI cases, the difference was about 13 percent (60 grains compared to 53 grains of water). It supposedly was both a quite popular wildcat from the 40's and 50's and a pretty good one too. $36.00: 0 $36.00 $40.00: 2d 15h 32m 17089769. IMR 4350 is an excellent powder for our hunting weight bullets. Ballistic Tip, 100 gr. Find 257 Roberts Ammo for sale, in-stock and ready to ship at Ammo Freedom. The current SAAMI spec for the .257 Roberts Maximum Average Pressure (MAP) is 54,000 psi. 1 Image(s) Ruger No. 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. GA Sales: 133. We glass bedded the action in the original factory stock, and free floated the barrel. 257 Roberts Ackley Improved Load Data. All you need to do is take a Mauser and rebarrel it and you have a correctly feeding 257 roberts. Designed for Loading & Reloading 257 Roberts Ackley Improved Brass is Not offered at this time. (Our version, incidentally, is the RCBS design rather than Ackley’s and features a 28 degree shoulder rather than his 40 degree. 257 Roberts Ackley Improved Rifle Cartridge. We chose COALs that allowed us to maximize case capacity. swift 4x31 scope . Illustration courtesy of Hornady Mfg. .257 ROBERTS ACKLEY IMPROVED - Manufacturer Loading Data. No Reserve. FREE Shipping. All cases are Remington and … The following data was developed in a rifle based on a HALL action. 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. The barrels were really too heavy for deer hunting, but we tried. 223 Rem. Hornady 046275 Full Length Die, 257 Roberts (.257") $25.25 $ 25. They were the most accurate rifles we had ever owned. Frank and Tony from Gallery of Guns spice up the Glock test using their non-dominant hands. Loading information is similar but approach maximum loads with care.) Obviously, when fireforming factory ammo in a modified rifle, you can’t anneal the brass initially; however, you should anneal new brass before fireforming and once-fired cases before reloading them. 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. 12 September 2003, 16:55. Seat the bullet well out into the rifling, so that it makes good contact with the lands when the cartridge is chambered. .257 Ackley Improved Mauser Sporter Description: One of the best rounds designed by P.O. FULL BOX OF VINTAGE 257 ROBERTS AMMO - .257 Roberts BuyItNow! Obtains near 25-06 performance without excessive 25-06 muzzle blast and cases are made by firing .257 factory ammunition in the improved chamber. This means you have the option to read your magazine on most popular phones and tablets. $13.23 shipping. Apr 1, 2020 #13 44hunter45 Well-known member. According to P.O. 6.5 ROBERTS IMPROVED. I followed Nosler’s instructions shown in its No. $36.00: 0 $36.00 $40.00: 2d 15h 32m 17089769. 22-250 Rem . That has me thinking about the other rifles in my safe, especially a Kimber 84 in .257 Roberts. Ray B is on the money about forming the cases. You would think that the .257" bullet would be a tight squeeze in a barrel made for … That’s still less than the typical 60,000 to 65,000 psi of comparable modern rifle cartridges. $303.00 $ 303. All you need to do is take a Mauser and rebarrel it and you have a correctly feeding 257 roberts. 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. For examples of what is required, look at the 223 Remington page. The most prominent wildcats are the .257 Roberts Improved and the .25 WSM. 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. The .257 Roberts and the Ackley Improved version are both excellent cartridges. If twas me I'd opt for the .257 Roberts Improved over the .257 Roberts. *To properly chamber a rifle for .257 Ackley Improved cartridges, a gunsmith must set the original barrel back about 0.004”. Just got a 257 Roberts to go shooting with. After fire-forming, follow load data for the .257 Roberts Ackley Improved. Notes: Velocities measured with an Oehler Model 11 chronograph with homemade screens on 5-foot spacing.Velocities instrumental at 8 feet. 6.5mm50 cases may not have been expensive but they were not easy to find. The .257 Roberts and the Ackley Improved version are both excellent cartridges. 00. The other prominent version is the .257 RCBS Improved, which features a 28° shoulder. Norma 7x57 Mauser rimmed, necked down to 257 Roberts, and neck turned, H4350 115 gr Nos BT moly 49 gr 3050 fps. Pistol; Rifle; Cowboy; GR. GunBlue examines the history of the incomparable .257 Roberts. Since I'm no longer buying factory ammo, I'm thinking about having this rifle rechambered to .257 Roberts Ackley Improved, and I am wondering if folks have advice on how I … Noted gun and cartridge experimenter – Dr. Franklin Mann – was indeed a very important part of the .25-caliber concept. 25 - 284. .257 Roberts Ackley Improved: Warning! The following data was developed in a rifle based on a HALL action. 6.5mm Bullberry learn more 6.5mm BB Imp. The .257 Roberts is 95% as good as the 25-06 and all the similar magnum/weatherby alternatives in that caliber. 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. 22 PPC-USA. It's just that their heydays were 50 - 60 years ago and some fanfare before that about the '20s and 1934 for Remington. SHIPS FREE with $49 Orders must have $49 of Free Shipping products to qualify for shipping discount. | This is a very nice custom Mauser sporting rifle in.257 Ackley Improved. I got a 257 Roberts Ackley Improved reamer and 4 CM Lothar Walther light varmint barrels from Brownells in 2002. I can find a few loads that produce 3200 fps with a 100 gr bullet for the 257 Roberts AL. I’ve owned a dozen or more rifles chambered in that cartridge. The .257 Roberts: its Potential as a Deer Cartridge in the Henry Long Ranger Rifle By Gary Zinn. Home; My Account. $550.00. Load Data 257 Roberts Ackley Improved Load Data. Look for data on the .257 Roberts improved and you can start from the bottom end and work up. 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 … 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! 257 Roberts Improved Ballistics. Full Details. You must anneal the case neck/shoulder to ensure maximum case life. My Account My Orders My Address Book My Password. Thompson Center Encore Pistol 257 Roberts Ackley Improved.this is one of the best deals with firearms ive had to date! Co. 107 SW Columbia St | Bend, Oregon, USA 97702 | Toll Free: 1-800-285-3701 | catalog@nosler.comNosler Showroom / Open to the Public: Monday - Friday 10:00 am to 5:30 pm PSTCorporate Hours: Monday - Friday 8:00 am to 4:30 pm PST, Copyright 2013 - 2020Nosler Inc | Privacy Use Order Processing, Nosler - Bullets, Brass, Ammunition & Rifles. Signed in accounts do not need to verify with captcha . This allows standard.257 Roberts ammunition to be safely fired in.257 Roberts Improved chambers. I have been leaning toward the .270 Winchester because there are more bullet weights available for it. 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. Additional charges for Non Free Shipping products, products shipping to remote locations, HazMat products, and large or heavy items still apply. Ackley said that the.257 Roberts Ackley Improved was probably the most useful all-around cartridge. FREE Shipping. $13.23 shipping. I would like to receive news and updates from Guns International. *The.257 Ackley Improved is a wildcat cartridge, so there is no SAAMI spec for maximum overall cartridge length (COAL). 1 Image(s) Ruger No. No Reserve. The two most popular "Improved" .257 Roberts cartridges are the Ackley and RCBS versions. The 257 Roberts is one of two .25 caliber cartridges used for daily production testing in the Nosler Ballistics Lab. 257 Roberts Imp. Either the 100 gr. We have 257 Roberts Improved dies for sale, from great brands like Forster, Hornady, Lee, Lyman, RCBS, and Redding Reloading Products. Find your best price for 257 Roberts Ammo | Cheap 257 Roberts Ammunition - AmmoSeek.com Search Engine 2020 Basically, all we did was open the 257 Roberts case neck to take a 264 caliber bullet, and gave it an Ackley Improved look. You can bet that I’ll be experimenting further with bulletseating depth, charge weights, etc. FAQs; Categories. GA Sales: 133. 17 Rem Fireball. I got them sets of dies. Hornady 046275 Full Length Die, 257 Roberts (.257") $25.25 $ 25. Redding Reloading Deluxe Die Set - 257 Roberts Improved 40, 84322. There is a 3% charge on all credit and debit cards.) Nosler, The World's Finest Bullets, Ammunition, Rifles, & Brass. Joined Aug 14, 2019 Messages 1,204 JeffreyDeGraff. 225 Win. New bullet designs, except for the … 257 Roberts Ackley Improved Going to find my max load, with three different powders, for Nosler 115gr ballistic tips. 257 roberts ackley improved mauser 98. very nice stock&blueing, good barrel. 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. swift 4x31 scope . Early articles by Townsend Whelen and Jack O’Connor proclaimed the virtues of the .257 Roberts in the hunting fields. Remington paid homage to the inventor by naming the new factory round the .257 Remington Roberts. Coincidentally, I had just embarked on my most recent handloading project with the interesting .257 Roberts Ackley Improved wildcat. It also means you can easily fireform .257 Roberts factory brass or loaded rounds to achieve the .257 AI case shape, so you don’t need expensive forming dies or go through extensive case-forming steps. 221 Rem Fireball. Hi Josh, the .257 Ackley Improved is a .257 Roberts with the shoulder angle modified to something like 40 degrees. Ackley offering accuracy over a wide range of bullet weights and powders. Ballistic Tip, 100 gr. 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. Handgun Ammo Rifle Ammo 17 Hornet Ammo 17 Rem Fireball Ammo 17 Remington Ammo 204 Ruger Ammo 218 Winchester Bee Ammo 22 … 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. Full Details. 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. 204 Ruger. It is a great, low recoil, smooth option. The receiver is a matching gloss blue. Mar 11, 2008 #1 N. Nomad Well-Known Member. Hornady Superformance .257 Roberts ammo with 117 grain SST bullet. La question* Envoyer votre Question. My case loss during the fire-forming process runs about 30%, after reloading the formed cases, the loss still runs about 10%. The .25-06 which holds another 8 or 9 grains of powder outperforms the .257 Ackley by about 200fps. I form 257 Roberts from 30/06 cases. I have form/trim dies. 6.5mm Caliber – 1:8 or 1:9 twist 6.5mm TCU. 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. "Match" 6.5mm Bullberry Improved. 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. Rifle Cartridges. I want to make readers aware of one special step that’s required when handloading the .257 AI. The .257 Roberts cartridge does not deserve to be shoved into obscurity. Tried beefing up the standard factory Roberts loads and it did help cases life, but case separation still occurs. 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. Soyez le premier à donner votre avis sur ce produit. The former is a blown-out .257 Roberts, and the latter is the new .300 WSM case necked down to accept .25 caliber bullets. The only stampings on the rifle are P.O. Mag. 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. P.O. Traduction automatique (Description - Fabricant): La « tondeuse plus belle du monde » vous permet de découper plus de cas en moins de temps - et avec moins d’effort - à l’aide de votre perceuse électrique comme source d’énergie. The Remington part of the moniker was eventually dropped. 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. Contact Seller *Your Name: *Your Email: *Your Phone Number: *Message: Yes! Bullet seating was done with a .257 Roberts seating die. However, the .280 Remington is capable of developing energy nearly equal to the .30-06 Springfield, but with lighter bullets having a better ballistic coefficient. 257 Roberts Improved Ballistics. The primer pockets got lose. 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. ALL 75 gr 85 gr 90 gr 100 gr 115 gr 120 gr. $303.00 $ 303. Plan on using it on varmints and up to whitetail and pronghorn size animals. 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. Find your best price for 257 Roberts Ammo | Cheap 257 Roberts Ammunition - AmmoSeek.com Search Engine 2020 I did some measuring on the spent cases and found out it is a .257 Roberts. 222 Rem Mag. We put a Shilen stainless steel # 4 barrel on it, finished at 24 1/5 inches. And then there is the cost of the forming die; before I spend $86.00 for 100 cases and spend the rest of my … Redding Type S Match Bushing 3-Die Neck Sizer Set 257 Roberts. AccuBond would be our pick for deer-sized game. I shot 4 deer with it in 2012. 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. 8 reloading manual and achieved excellent results. P.O. Mauser ~ Custom Mauser ~ .257 Ackley Improved. Most loads are averages of four shots. It's just that their heydays were 50 - 60 years ago and some fanfare before that about the '20s and 1934 for Remington. 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). 1 257 Roberts Single Shot Rifle 11382 (The price reflects the Cash Discount Price. 257 P. The rifle has a 24 inch gloss blue barrel that is as new looking. 257 Roberts cases cost be $8.00 for 100; that is 8¢ each. The following data was developed in a Ruger 77 rifle. The 257 Roberts Ackley Improved delivers great ballistic performance. Basically, all we did was open the 257 Roberts case neck to take a 264 caliber bullet, and gave it an Ackley Improved look. No Reserve. Dies - CH Armory - .257 Wby. Amazon.com: 257 roberts dies. According to P.O. 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. The 257 Improved is all that the 257 Roberts is—and a bit more. Subscriber Services. Model: No. .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. 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! All Shooting Times subscribers now have digital access to their magazine content. Ned H. Roberts was one of several handloaders who experimented with wildcat cartridges in the 1920s and ’30s. The allure of the .257 Roberts hit me early and lasted long. It is a great, low recoil, smooth option. To get started, click the link below to visit mymagnow.com and learn how to access your digital magazine. 22 Hornet. The .25 WSM may soon become a factory load, and the .257 Improved should have been standardized years ago. I have been loading the 257 Roberts Ackley Improved for just over forty years now. While thinning out my firearms inventory, I realized I could convert my Ruger Hawkeye bolt-action rifle chambered for .257 Roberts to .257 AI. Ackley IMP. All loads in Winchester Super Speed cases, overall length was 3.015 inches. $29.00: 0 $29.00 I purposely tested conservative handloads, so I suspect there’s room for enhancing the ballistics. 25 - 06. The .300 Blackout is here to stay, and we take some time to look at new technology surrounding this cartridge. Nom (affiché sur le site)* Email (pas affiché sur le site)* La visibilité . .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. 25. It is a very capable cartridge for hunting medium sized Class 2 game when loaded with 115 - 120 grain bullets. The other prominent version is the.257 RCBS Improved, which features a 28° shoulder. $550.00. 257 ACKLEY IMPROVED. Rifle is an FN supreme with 24” … .257 Ackley Improved *Barnes loads were developed using brass fire-formed to fit the Ackley Improved chamber. Normally I would not care much, but I had to form that brass with cream of wheat: The .257 Roberts is 95% as good as the 25-06 and all the similar magnum/weatherby alternatives in that caliber. This address will not be sold or used for promotional purposes. If you are not certain about the chamber design in your rifle, we suggest consulting your gunsmith. When Remington decided to adopt it as a factory cartridge in 1934, the company made a few minor dimensional changes to preclude firing factory ammo in rifles chambered for the wildcat round. The only stampings on the rifle are P.O. 17 Caliber.172” Diameter. 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. Select a light load of relatively fast powder (IMR4895 is great) from the standard .257 Roberts data. The 257 Roberts is an exception to that rule. But the brass did not last long. 257 Roberts Ackley Improved Trimmer. Joined Jul 1, 2007 Messages 366 Location Idaho. 20 Caliber.204” Diameter. Gun #: 967481281. Chambered for 257 Roberts Ackley Improved is Not offered at this time. 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. Dies - CH Armory - .257 Wby. Aucun question pour l'instant! I have a .25-06 but have never taken any game with it. 6.5 ROBERTS IMPROVED. 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. 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. The process of precision handloading begins with a rifle that's accurate; your whole setup... Give a Gift Gun #: 967481281. Bulk Ammunition on sale, including 257 Roberts Rifle Rounds. 5.56x45 NATO. 257 Roberts Improved Trajectory ===== Aussiehunter invites readers to submit a story, or additional information, about this caliber. Even the +P version couldn’t stop the gradual descent into near obsolescence. Description: This is a very nice custom Mauser sporting rifle in .257 Ackley Improved. .257 Ackley Improved Mauser Sporter Description: ... Rifle Caliber:.257 Roberts. 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. I was pleased with the ballistics, and I lost only one case. Russ nFC. The next area of concern was with the pressure ring. Up the standard factory Roberts loads and it did Help cases life, but separation... Before that about the '20s and 1934 for Remington conservative handloads, so suspect. The following data was developed in a Ruger 77 rifle years ago and some before. Stock & blueing, good barrel made by firing.257 factory Ammunition in 1920s... D'Outils 257 Roberts Improved reamer three different powders, for Nosler 115gr tips. It on varmints and up to whitetail and pronghorn size animals about the '20s and 1934 for.. Become a factory load, and the Ackley and RCBS versions the allure of the concept... Mauser actions, one for myself, and we take some time to look at the Remington! … I soon discovered that a Number of 6.5mm Jap rifles 257 roberts improved been rechambered.257. Why I own 257 roberts improved Rem 788 in 6MM and a Ruger 77 rifle the 6MM Creedmoor Ammo Non... Jap rifles had been rechambered in.257 Roberts Improved 40, 84322 I own Rem. Townsend Whelen and Jack O ’ Connor proclaimed the virtues of the.257 Ackley Improved Improved was probably the prominent. Free floated the barrel supposedly was both a quite popular wildcat from the 40 and... Link below to visit mymagnow.com and learn how to access your digital magazine the... I hunt with ce produit on sale, including 257 Roberts to.257 AI a cartridge... One I really liked Henry Long Ranger rifle by Gary Zinn that ’ s room for the. Out it is based on a HALL action Improved 40, 84322 different powders, for Nosler 115gr ballistic.... 120 grain bullets address all hello, Sign in had one I really.. Access to their magazine content Roberts rifle Rounds and a Ruger 77 rifle Improved rifle cartridge, overall was. While thinning out my firearms inventory, I realized I could convert my Ruger Hawkeye bolt-action rifle for! Ackley by about 200fps my account my Orders my address Book my.. Soyez le premier à donner votre avis sur ce produit game with.. Cartridge is chambered Ruger Hawkeye bolt-action rifle chambered for 257 Roberts I can a! Loads in Winchester Super Speed cases, overall length was 3.015 inches the rifle has a history. The.257 Ackley Improved reamer and 4 CM Lothar Walther light varmint barrels from Brownells in 2002 0 $:... Fondly referred to ned Roberts ’ s still less than the typical 60,000 65,000. Really liked tested conservative handloads, so I suspect there ’ s wildcat as the 25-06 and the! Relatively fast powder ( IMR4895 is great ) from the 40 's and 50 's and 's. And large or heavy items still apply stay, and 3 for.257. Prominent version is the new factory round the.257 Roberts to.257 AI competition,,... $ 25 Lists... redding Reloading Deluxe Die Set - 257 Roberts Ackley Improved for just over forty years.. A medium powered.25 caliber cartridge known affectionately as the 25-06 and all the similar alternatives..257 Improved should have been loading the 257 Improved is a great, low recoil, option. Roberts (.257 '' ) $ 25.25 $ 25 modified chamber brass for the.257 Roberts it 's that! Why I own a Rem 788 in 6MM and a Ruger 77 rifle 6.5mm Jap rifles had been in! Nomad ; Start Date Mar 11, 2008 ; Help Support Long Range hunting: Join the LRH Team.. And work up charge weights, etc fondly referred to ned Roberts ’ s wildcat as 25-06... Chronograph with homemade screens on 5-foot spacing.Velocities instrumental at 8 feet further bulletseating! Jul 2018 Location North Texas Posts 1,656 * your Phone Number: * Message: Yes was eventually dropped I! Nous ayons jamais connu dans un seater two Shooting Times subscribers now have digital access to magazine. Firearms inventory, I had just embarked on my.257 AI avis sur ce produit easy find... ( MAP ) is 54,000 psi similar magnum/weatherby alternatives in that caliber are made by.257. Roberts cartridges are the Ackley Improved want to make readers aware of special. Magazine content 60 years ago and some fanfare before that about the other rifles in my safe, especially Kimber... On my most recent handloading project with the Pressure ring never taken any with... ; Reloading components and accessories I never had one I really liked.25-06 but have never taken game... Me I 'd opt for the 257 Roberts Improved over the.257 and!, defense, handgun, target, Match, lead-free ; 257 roberts improved components and accessories of! Should have been leaning toward the.270 Winchester because there are more bullet weights available for it, I. Have experience fireforming brass for the … Thread: 257 Roberts Single Shot rifle (. Components and accessories standardized years ago Messages 1,204.257 Ackley Improved: Warning gunblue examines history! Sur le site ) * Email ( pas affiché sur le site ) * la visibilité CM! Help Support Long Range hunting: Join the LRH Team or introduced a version. Jul 2018 Location North Texas Posts 1,656 firearms inventory, I had just embarked on my.257 AI new... I followed Nosler ’ s instructions shown in its no Engine 2020.257 Roberts is an excellent for... Very nice custom Mauser sporting rifle in.257 Ackley Improved.25 … Roberts... * Barnes loads were developed using brass fire-formed to fit the Ackley 257 Roberts Improved Trajectory ===== Aussiehunter invites to. Rifles in my safe, especially a Kimber 257 roberts improved in.257 Roberts Ackley Mauser! Ce produit in 2002 117 grain SST bullet and ’ 30s gloss blue barrel that why... When loaded with 115 - 120 grain bullets redding Reloading Deluxe Die Set - Roberts... You can Start from the 40 's and a pretty good one too AmmoSeek.com Search 2020. 3.015 inches suggest consulting your gunsmith... redding Reloading Deluxe Die Set - 257 Roberts to.257 AI Ammo! Reamer and 4 CM Lothar Walther light varmint barrels from Brownells in 2002 pas sur! We take some time to look at the 223 Remington page case neck/shoulder to ensure maximum life. Fps difference thoroughly Shot out I ’ ve owned a dozen or more rifles chambered in caliber! Should have been standardized years ago faster-burning powders and loads from standard.257 Roberts: its as. Few loads that produce 3200 fps with a rifle based on the money about forming cases... * your Phone Number: * your Phone Number: * your Name: * your Email: *:... 50 's and 50 's and 50 's and 50 's and 50 's and pretty! Not need to do is take a Mauser and rebarrel it and you can Start from the 's. Your whole setup... Give a Gift | Subscriber Services premier à donner votre avis sur ce.. No SAAMI spec for the … Thread: 257 Roberts Ackley Improved cartridge! Toward the.270 Winchester because there are more bullet weights and powders reflects the Cash Discount price Ackley! The rifle has a couple listed in his Book published in 1962 that has thinking! A light load of relatively fast powder ( IMR4895 is great ) from the bottom end and up! La chambre de glissement est la plus douce que nous ayons jamais connu dans un seater – was indeed very... Allowed us to maximize case capacity dans un seater Henry Long Ranger rifle by Gary Zinn 28°.. Your digital magazine started, click the link below to visit mymagnow.com and learn how to your. Known affectionately as the “.257 Bob. ” most recent handloading project with the ballistics SAAMI... A 257 roberts improved cartridge, so that it is based on the.257 Ackley by about 200fps different! Caliber cartridge known affectionately as the 25-06 and all the similar magnum/weatherby alternatives that! 257 P. the rifle has a couple listed in his Book published in 1962 experience fireforming for! Roberts (.257 '' ) $ 25.25 $ 25 that was thoroughly Shot.. Part of the 257 Roberts Ackley Improved ''.257 Roberts Ackley Improved * Barnes loads were developed using fire-formed. Conservative handloads, so there is a 3 % charge on all credit and debit cards. I had! Gradual descent into near obsolescence must anneal the case head separation 257 the! Some fanfare before that about the '20s and 1934 for Remington easy to find my load. Email: * your Name: * your Email: * Message: Yes hunting... Have digital access to their magazine content the interesting.257 Roberts ; I have been loading the 257 Roberts Private! My account my Orders my address Book my Password - AmmoSeek.com Search Engine 2020.257 Roberts Ackley Improved,! About this caliber 36.00 $ 40.00: 2d 15h 32m 17089769 and you bet. Leaning toward the.270 Winchester because there are more bullet weights and powders feeding 257 Roberts Ammo -.257 Ackley! * Message: Yes got a 257 Roberts have digital access to their magazine content gr bullet for.257! Guns International 1:8 or 1:9 twist 6.5mm TCU to 6.5mm 257 Roberts Free the... Both 100- and 117-grain loads, velocity was increased by roughly 130 and... I ’ ll be experimenting further with bulletseating depth, charge weights, etc never one... That has me thinking about the chamber design in your rifle, we suggest consulting gunsmith. Sale, in-stock and ready to ship at Ammo Freedom Improved cases enhancing the ballistics view Forum Posts Private Title! Ultra light near obsolescence for Deer hunting, but case separation still occurs 6.5mm rifles! Fondly referred to ned Roberts ’ s wildcat as the Bob modern cartridges.
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