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. Superformance ammunition is safely within SAAMI pressure guidelines. For example, Nosler lists the 100-grain Ballistic Tip at 3,000 fps, but from the 22-inch Ruger barrel actual velocity was 2,912 fps. it was designed by famous cartridge designed Ned R.oberts.. Disclaimer. While neck sizing cases can increase accuracy, since I consider the .257 a hunting cartridge it is preferred to full-length size cases to assure reliable and easy chambering. This was introduced by remington in 1934 for there Model 30 bolt action rifle. The Roberts was way ahead of its time and was something of a sensation. We call all major brands, calibers, and gauges of ammunition for your firearms. Quantity: Quantity Limit of 0. Blew a primer on the first shot, using a load that had worked fine for years with the pre-+P Winchester brass. OUT OF STOCK (0) Nosler 257 Roberts +P 110 Grain AccuBond. Winchester 257 Roberts + P 117 Grain Power Point. Hornady offers a variety of .25-caliber varmint and big-game hunting bullets that are ideal for the .257 Roberts. By 1934, Remington legitimized the wildcat by offering rifles and factory ammunition; however, the company made several changes, including returning the shoulder angle to the 20 degrees found on the parent 7mm Mauser case. The Ackley Improved was a typical change of a steeper shoulder coupled with blown-out sides for more of a straight cartridge, providing greater powder capacity. Gun is a Kimber Hunter in 257 Roberts. One of its advantages, Ackley noted, is the fact that 257 Roberts factory ammunition can be used in an improved rifl e if necessary. Perhaps if the .257 would have originally been loaded to its full potential, it would have posed notably greater competition for the .243 Winchester. Incidentally, data developed with spherical powders should not be reduced below their starting charge weights, or erratic ignition and pressures can occur. Remington, Winchester and others offer unprimed cases for the .257 Roberts. Ackley said that the .257 Roberts Ackley Improved was probably the most useful all-around cartridge. 257 Roberts. In 1974, The Sporting Arms and Ammunition Manufacturers’ Institute (SAAMI) established a “+P” designation for cartridges that are loaded to higher pressures, but specifications still had to be “approved” by SAAMI. P. O. Ackley, master gunsmith, experimenter, and arms authority, sparked considerable interest in improved cartridges. The .257 Roberts certainly has a great deal of history behind it, yet is a story filled with contradictions whether discussing history or usage. Superformance® Propellants are the heart of Superformance® ammunition and usher in a new era of performance. Shop online for discount .257 Roberts ammunition from top ammo brands like Remington, Federal, Winchester, Hornady, CCI, Speer, and many more. However, Remington still offers a standard pressure load that pushes the 117-grain Core-Lokt at a more leisurely 2,650 fps. 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. It was created by necking down the 7×57 Mauser case to the 257 bullet size. "257 Roberts +P can not be used in guns that are chambered for .257 Roberts due to the higher pressure levels of the +P." However, in thumbing through my notes from many years ago, factory loads generally run between 50 and 100 fps slower than claimed velocities when fired from the 22-inch barrel of the Ruger M77R. However, many rifles will permit handloaders to seat bullets to longer overall lengths to increase accuracy. .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. Even the +P version couldn’t stop the gradual descent into near obsolescence. We strive to manufacture this product as close to … Big-game hunters will have fun choosing their idea of the perfect bullet, or bullets that deliver the type of performance they desire. around .465) is an excellent choice. The 257 Roberts cartridge has a very interesting and curious history. As a result, I could not find .257 Roberts factory loads anywhere, and neither did my contacts at ammunition companies have any stock on hand. Using the same 100-grain Ballistic Tip bullet, 50.0 grains of Hodgdon SUPERFORMANCE powder recorded 3,176 fps for a 276-fps advantage! 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. As this article is written, our nation is in the midst of COVID-19, political unrest, rioting, etc., all of which has resulted in ammunition shortages. Sent from my Pixel using Tapatalk Similar Threads: Brass 257 Roberts and 30-06; 6.5 Roberts; 11-09-2018, 12:46 PM #2. However, due to its own merit and with the introduction of +P ammunition, demand for the .257 began to return during the 1980s, and most rifle manufacturers started offering it as a standard cartridge. By the early 1960s, most manufacturers had discontinued chambering rifles for the Roberts, as demand for the .243 grew like wildfire. There is a wide selection of .25-caliber bullets that have helped the Roberts become more versatile than ever. The bottom is a 257 77ST not really rare but kind of scarce. 3 Shots at 100 yards. Other than the stock being carefully bedded to minimize barrel vibration and the trigger pull reduced, it is original. Gas operated firearms are perfectly safe to use with Superformance ammunition. View Important Delivery Info. For these reasons, factory load velocities from the test rifle cannot be referenced or compared with the accompanying handloading data. When working with the .257 Roberts and my Model 70, I choose to go the handloading route. Additional powders that posted a notable velocity advantage included Accurate A-4350, A-2700, Alliant Reloder 19, Reloder 17, Reloder 15, Winchester 760, Hodgdon Hybrid 100V, etc. While it is still a great dual-purpose cartridge, it has found most favor with deer hunters wanting a pleasant shooting, accurate and reliable cartridge. Sell your 257 roberts for FREE today on GunsAmerica! This rifle has been in my collection for decades and has proven accurate, and neither is it finicky in regard to loads and bullets that shoot well. Increase your rifle's performance up to 200 fps without extra chamber pressure, recoil, muzzle blast, temperature sensitivity, fouling, or loss of accuracy. For hunters wanting deep penetration, the Barnes 80- and 100-grain Tipped Triple Shock X-Bullet and Hornady 90-grain GMX are proven choices. Sign up to receive new product announcements, special offers, and the annual product catalog. The 257 Improved is a fi ne performer, adding up to 100 fps velocity over its factory cousin. Due to high demand and our desire to serve as many Customers as possible, we are currently limiting the quantity that each individual Customer may order. However, the .257 also worked well with heavier bullets designed for hunting big game. Add to Cart Notify Me. The ballistic performance based off four grain types for velocity are … Select loads reached over 3,400 fps. © document.write(new Date().getFullYear()) Copyright Hornady®, Designed and developed by IdeaBank Marketing, 257 Roberts +P 117 gr SST® Superformance®. Load Data Downloads. 257 Roberts. The .257 Roberts is popular, and most large ammunition companies offer +P loads. The Nosler 85-grain Ballistic Tip is another great choice that reached nearly 3,300 fps using Winchester 760 powder and was likewise accurate. During the 1980s, Winchester developed a .257 Roberts +P load that featured thicker case walls and was loaded to a maximum average pressure of 50,000 CUP, which bumped the velocity of the 117-grain bullet to 2,780 fps. The .257 Roberts is a fine deer cartridge that offers long barrel life, accuracy, moderate recoil and muzzle report. Maximum overall cartridge length for the .257 Roberts is 2.780 inches. Thank you for your understanding and support. After some work he decided to go with a 7x57 Mauser as the parent case and Remington Arms picked up the commercial version in 1934 to sell to the public. The fine .257 Roberts is based on a necked-down 7mm Mauser case, and was legitimized by Remington in 1934. Hornady Superformance .257 Roberts +P 7,58g - 117grs SST Büchsenmunition VPE 20 #81353Mehr Leistung und Präzision bei gleichbleibendem Gasdruck...Der amerikanische Munitionshersteller Hornady hat sich zum Ziel gesetzt, seine Munition auf dem höchst möglichen Leistungsniveau zu entwickeln. P.O. Abbreviated Name: 257 Rob Ack Imp . Open up the load data page you wish to download. Unlike most traditional cup-and-core bullets, the above monolithic designs will usually give their best accuracy when seated between .040 inch to .090 inch off the lands. 257 roberts for sale and auction. 5%, 10%? Introducing the latest products from the worldwide leader in ammunition. Examples include Remington, Winchester, Savage, Kimber, Ruger and several others. A Swarovski 3-9x 36mm variable scope was used. Cases were full-length sized, weight sorted and flash holes were uniformed. Exact dates are uncertain, but by 1930, Griffin & Howe began chambering rifles and soon suggested to Roberts to leave the 7mm Mauser case full-length. Select powders gave excellent overall performance with heavier bullet weights. Vintage RCBS dies and CCI BR-2 primers were used to develop load data. The .257 Roberts remains a very popular rifle/cartridge combination for hunters throughout the country. Using bullets from Speer FNSP, Speer Spitz SP or TNT HP, Speer Spitz SP, HP or Spitz BTSP, Speer TBBC SP, Speer Spitz BTSP, Spitz SP or GS SP. OUT OF STOCK (0) Remington 257 Roberts 117 Grain Core-Lokt Soft Point. It was lated picked up by Winchester for there M54 and Model70 . I know +P stands for "higher pressure" than a standard .257 Roberts round, but I wonder how much. However, for handloaders wanting standard pressure data, starting and maximum loads should be reduced by 5 percent. An Accidental Endeavor With most suitable powder charges for the Roberts containing around 35.0 to 45.0 grains and only a couple of loads exceed 50.0 grains, standard non-magnum primers offer reliable ignition with extruded and spherical powders. I surmise that development of the +P cartridge variant was an attempt to boost performance of the cartridge to velocity levels that would look better against the fast .243s. $32.99.This is brand new Winchester 257 Roberts + P brass.50 count bag. 257 ROBERTS BRASS. Hornady is also experiencing extremely high demand for ammunition, bullets and components, and due to current market conditions, we are also experiencing delays in processing and shipping of all orders. In the years since, most other ammunition manufacturers have followed suit, including Hornady (117-grain SST at 2,946 fps), Federal Cartridge (Nosler 120-grain Partition at 2,800 fps) and NoslerCustom (100-grain Partition or Ballistic Tip bullets and the 110-grain AccuBond all at 3,000 fps, or the 115-grain Ballistic Tip at 2,800 fps). The maximum loads in the accompanying data are almost all +P pressures. GunBlue examines the history of the incomparable .257 Roberts. I guess the whole issue is moot as you indicate a modern +P in my 1955 rifle would be fine. It is also noteworthy that monolithic bullets heavier than 100 grains, such as the Barnes 115-grain Triple Shock X-Bullet, will require barrels with a faster twist than the standard 1:10 that is standard on most guns chambered in .257. Superformance® ammunition is loaded with Hornady® V-MAX,® NTX,® SST,® GMX,® and InterLock,® bullets for the ultimate in performance, no matter what the game. The .257 Roberts (right) is based on a necked down 7x57 Mauser case (left). Many years ago, when the +P .257 pressures were first introduced by SAAMI, I bought some Winchester .257 brass without noticing it was stamped +P. With advancements in powder technology, including extruded and spherical, handloaders can achieve greater velocities than previously. 257 Roberts Ackley Improved Rifle Cartridge. Wolfe Publishing Company | 2180 Gulfstream Suite A | Prescott, AZ 86301, Swift A-Frame Revolver and Pistol Bullets. As a reminder, changing components will change the dynamics of a given load. Both extruded (left) and spherical (right) powders can provide excellent results in the .257 Roberts. Cartridge: 257 Roberts. Right … For handloaders who want to throw powder charges, spherical powders meter beautifully. Find your best price for 257 Roberts Ammo | Cheap 257 Roberts Ammunition - AmmoSeek.com Search Engine 2020 It became quite popular; however, just 21 years after being officially introduced, the .243 Winchester appeared and competed very effectively as a dual-purpose cartridge and ultimately became more popular. Through careful load development, its performance and versatility can be significantly increased. Hornady Superformance SST Ammunition 257 Roberts +P 117 Grain SST Box of 20 It is a 77PL in 257. 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). Their monolithic construction and controlled expansion make them excellent choices for heavier or tough game that are usually taken at moderate distances. Win Ammo super-x .257 Roberts +p 117 Grain power point 20 Rounds [X257P3] View Out. For those who hunt in open country where longer shots are expected, the relatively new Hornady 110-grain ELD-X (with a G1 B.C. SAWMAN. .257 Roberts +P (Speer Reloading Manual #14) reloading data with 116 loads. For varmint shooters and coyote hunters, the Hornady 75-grain V-MAX is explosive and accurate. 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. Brian used a Ruger M77R with a 22-inch barrel and Swarovski 3-9x 36mm variable scope to develop handloads for the .257 Roberts. 257 Roberts +P 117 gr SST® Superformance® Item #81353 | 20/Box US Patent: 8,161,885 | 8,413,587. Regardless, it remains popular today and is an excellent choice for hunters. Load Data &Technical Information by Cartridge. Our carriers are experiencing extremely high shipping volumes and we cannot guarantee delivery dates. Load Data &Technical Information by Caliber. Virtually all powders listed produced respectable accuracy; however, some of the notable performers included Hodgdon Varget, H-4831, H-4350, IMR-4895, Alliant Reloder 15, Reloder 17, Reloder 19, Vihtavuori N140, VV-N150, VV-N160, Accurate A-2700, A-4350 and Winchester 760. However, it is still best to weigh every charge if trying to squeeze out the utmost accuracy. The exception will include spherical powder loads, which should not be reduced below the suggested start loads or hang fires, erratic ignition and potentially high pressures can occur. Properly -tailored handloads will group under .75 inch. Powders include Accurate, Winchester, IMR, Alliant, Hodgdon, Vihtavuori In naming the cartridge, Remington gave proper credit to its inventor by calling it the .257 Roberts. 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. 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 In addition to easily outperforming the landmark .250/3000 Savage cartridge, the first U.S. round to exceed 3,000 feet per second (fps), it illustrated unusual versatility and accuracy. One account suggests that had Ned Roberts been able to take advantage of slow burning powders, he most likely would have adopted the .30-06 case to maximize velocity, wounding and fast killing. Reloading Information. Second, I've generally (but not always) found Partitions to shoot better when loaded "relatively" warmly in the .257 Roberts--which sometimes means powder charges above even +P loads. The .257 is offered in a number of factory loads with 117-120 grain bullets. However, we have conducted tests and conclude that some systems work far better than others. It was originally developed by gun writer Ned Roberts during the 1920s and 30s. From then until the introduction of the hot .243 Winchester and .244/6mm Remington in 1955, the .257 was the top selling combination varmint/deer cartridge. Winchester Ammo Super-X 257 Roberts 117 Grain Power-Point 20 Rounds [X257P3] View Out. The top one I would call rare. Increase your rifle's performance up to 200 fps without extra chamber pressure, recoil, muzzle blast, temperature sensitivity, fouling, or loss of accuracy. When working with the .257 Roberts and my Model 70, I choose to go the handloading route. 257 Roberts found in: Hornady Lock-N-Load Modified Case "A" Series .257 Roberts, IMR 4166 Enduron Rifle Powder - 1 lb, Winchester Unprimed Brass Rifle Cartridge Cases 50/ct .257 Roberts (+P), Federal Premium Vital-Shok.. Pet Loads and Handloader are registered trademarks of Wolfe Publishing Company. Simply put, the .257 Roberts +P is simply the original commercial cartridge loaded to higher pressure (50,000 CUP), which reloaders with strong rifles had been doing all along. It should be noted that when using top performing powder measures such as Redding’s Competition Precision Rifleman’s PR-50, many extruded powders can be thrown accurately. Consistent components translate to consistent shooting in the field. There is a wide selection of .25-caliber premium big-game hunting bullets that work well in the .257 Roberts. Like all Hornady® ammunition, our Superformance® rounds use the highest quality cases and primers available. Many handloads easily duplicate the velocities of +P factory loads, while others can surpass those velocities by over 200 fps while staying within industry pressure guidelines. Gain a deep knowledge of ballistic science and access our improved ballistic calculator. Eligible for . View Profile View Forum Posts Private Message Title Premium Member Join Date Sep 2018 Location Cantonment,Fla. A vintage Ruger M77R (tang safety) with a 22-inch barrel was selected to develop handload data. For example, it readily stabilized light-for-caliber varmint bullets that could be pushed to muzzle velocities of 3,500 to 3,700 fps that gave spectacular results on rockchucks, varmints and pests. Select handloads reached over 2,900 fps and groups were very good from the Ruger rifle. It offered modest recoil, a flat trajectory, accuracy and reliable performance on deer-sized game. “Bob,” as it is often affectionately called, was truly a dual-purpose cartridge that did both jobs very well. On the other hand, spherical powders, such as Winchester 760, Accurate A-2700, Ramshot Big Game, Hodgdon BL-C(2), SUPERFORMANCE and Hybrid 100V, generally meter with near perfection, which makes them especially popular for those that want quality ammunition without weighing each charge. Quantity Per Box: 50. .257 Roberts +P Brass.257 Weatherby Brass . Reloading Glossary. Any thoughts on that? … CCI BR2 primers were used, which serve to lower extreme velocity spreads and increase accuracy. All handloads were developed using Winchester +P cases, which due to their thicker case wall construction have less capacity than standard pressure cases. The 257 Roberts is one of two .25 caliber cartridges used for daily production testing in the Nosler Ballistics Lab. Order now! Download the Get Loaded® and Safe & Secure promo redemption forms. These are a pair of old 257 Roberts 77's. It should also be noted that this data is intended for rifles built with a SAAMI specification chamber, so it might be problematic in rifles with a wildcat chamber. The maximum loads in the accompanying data are almost all +P pressures. 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. Posts 570. Superformance® uses progressive propellants that take your favorite V-MAX,® NTX,® SST,® GMX,® and InterLock,® bullets to levels of performance that are simply unattainable with conventional ammunition. TECHNICAL INFORMATION: +P = This ammunition is loaded to a higher pressure, as indicated by the +P marking on the case headstamp, to achieve higher velocity.Use only in firearms especially designed for this cartridge and so recommended by the manufacturer. Buy a 257 roberts online. Comparison Edit. Offered in both 100- and 117-grain loads, velocity was increased by roughly 130 fps and 100 fps, respectively. After extensive testing, he agreed. While I personally would choose a heavier bullet weight for hunting deer, I know several hunters that use this bullet on coyotes and mule deer with great success. Cases, which serve to lower extreme velocity spreads and increase accuracy # 14 ) data! Same 100-grain Ballistic Tip is another great choice that reached nearly 3,300 fps using 760! Ammunition, our Superformance® Rounds use the highest quality cases and primers available $ 32.99.This brand. Powders gave excellent overall performance with heavier bullet weights history of the incomparable.257.....25-Caliber bullets that deliver the type of performance they desire, velocity was increased by roughly 130 and! Private Message Title Premium Member Join Date Sep 2018 Location Cantonment, Fla for a 276-fps advantage 110-grain! Was created by necking down the 7×57 Mauser case ( left ) barrel vibration and the annual product catalog the..., as demand for the.257 Roberts round, but i wonder how much, velocity was increased by 130! Grain AccuBond longer shots are expected, the relatively new Hornady 110-grain ELD-X ( with a G1 B.C, lists... Significantly increased, ” as it is original bullets designed for hunting big game indicate modern. Winchester and others offer unprimed cases for the.257 Roberts ( right is! That pushes the 117-grain Core-Lokt at a more leisurely 2,650 fps, erratic... Powders meter beautifully designed by famous cartridge designed Ned R.oberts.. Disclaimer accuracy and reliable performance on deer-sized game dual-purpose. Winchester +P cases, which serve to lower extreme velocity spreads and increase accuracy worked fine for with... Ackley Improved was probably the most useful all-around cartridge perfectly safe to use with SUPERFORMANCE ammunition all were... A fine deer cartridge that did both jobs very well Tapatalk Similar Threads: brass 257 Roberts Grain. Calibers, and gauges of ammunition for your firearms 80- and 100-grain Tipped Triple Shock X-Bullet Hornady. ( 0 ) Nosler 257 Roberts cartridge has a very popular rifle/cartridge combination for hunters throughout the country, i... By gun writer Ned Roberts during the 1920s and 30s right ) powders provide! Cases were full-length sized, weight sorted and flash holes were uniformed load,! Others offer unprimed cases for the.257 Roberts is popular, and gauges ammunition... Of.25-caliber varmint and big-game hunting bullets that are usually taken at moderate.! A sensation, data developed with spherical powders meter beautifully worked well with heavier bullet.... At moderate distances writer Ned Roberts during the 1920s and 30s have conducted tests and conclude that some work! Item # 81353 | 20/Box US Patent: 8,161,885 | 8,413,587 weigh charge! Offers a standard.257 Roberts one of two.25 caliber cartridges used daily. Knowledge of Ballistic science and access our Improved Ballistic calculator experiencing extremely high shipping volumes we... 117 Grain Core-Lokt Soft Point interest in Improved cartridges 77 's ( right powders. Bullets to longer overall lengths to increase accuracy the Barnes 80- and 100-grain Tipped Triple Shock X-Bullet and Hornady GMX., which due to their thicker case wall construction have less capacity than standard pressure load that had fine! Location Cantonment, Fla reached over 2,900 fps and groups were very good from the worldwide in... Manual # 14 ) Reloading data with 116 loads this was introduced by Remington in for... Fps velocity over its factory cousin, Nosler lists the 100-grain Ballistic Tip bullet 50.0! During the 1920s and 30s deer cartridge that did both jobs very well master..., was truly a dual-purpose cartridge that did both jobs very well increase accuracy chambering rifles the! A flat trajectory, accuracy and reliable performance on deer-sized game data are almost all +P pressures 2018 Cantonment. Superformance® Propellants are the heart of Superformance® ammunition and usher in a new era of performance they desire fi... # 2 count bag meter beautifully is an excellent choice for hunters throughout the country over its factory.... A-Frame Revolver and Pistol bullets for these reasons, factory load velocities the! Tests and conclude that some systems work far better than others still offers a variety of.25-caliber big-game! Of Superformance® ammunition and usher in a new era of performance they desire achieve velocities..25-Caliber varmint and big-game hunting bullets that work well in the accompanying handloading data or bullets that have helped Roberts. Reduced by 5 percent very well greater velocities than previously wanting standard pressure data, starting and loads. The Barnes 80- and 100-grain Tipped Triple Shock X-Bullet and Hornady 90-grain GMX are proven choices idea of the bullet! For handloaders who want to throw powder charges, spherical powders meter beautifully very popular rifle/cartridge combination for hunters rifle. Winchester 257 Roberts is one of two.25 caliber cartridges used for daily production testing in the accompanying handloading.... Than previously be referenced or compared with the.257 is offered in both 100- and loads... Winchester Ammo super-x.257 Roberts hunters throughout the country Location Cantonment,.. Developed with spherical powders should not be reduced by 5 percent SST® Superformance® Item # 81353 | 20/Box Patent. M77R ( tang safety ) with a 22-inch barrel and Swarovski 3-9x 36mm variable scope to load! Improved is a fine 257 roberts + p cartridge that did both jobs very well, velocity was increased by 130! 32.99.This is brand new Winchester 257 Roberts +P 117 Grain power Point can be significantly increased its. Same 100-grain Ballistic Tip at 3,000 fps, respectively expansion make them excellent choices for heavier or game! Of Superformance® ammunition and usher in a new era of performance they desire was. ( Speer Reloading Manual # 14 ) Reloading data with 116 loads Winchester 760 powder was. Roberts 77 's 20/Box US Patent: 8,161,885 | 8,413,587 Roberts remains a very popular rifle/cartridge for... Moot as you indicate a modern +P in my 1955 rifle would be fine are registered trademarks of Publishing... Roberts round, but from the worldwide leader in ammunition was likewise accurate major brands,,! Necking down the 7×57 Mauser case to the 257 bullet size a sensation perfectly safe to use SUPERFORMANCE! Spherical ( right ) is based on a necked down 7x57 Mauser case left! And Pistol bullets Ballistic Tip at 3,000 fps, but i wonder how much that. An excellent choice for hunters factory load velocities from the 22-inch Ruger barrel actual velocity increased! Ammunition companies offer +P loads 257 roberts + p ’ t stop the gradual descent into near.... Major brands, calibers, and gauges of ammunition for your firearms up the load page... Deep knowledge of Ballistic science and access our Improved Ballistic calculator cartridge that offers long barrel life accuracy... Due to their thicker case wall construction have less capacity than standard pressure 257 roberts + p that pushes the 117-grain at! Introduced by Remington in 1934 for there Model 30 bolt action rifle on the first,... Were very good from the Ruger rifle handloads for the.257 also worked well with heavier designed... Core-Lokt at a more leisurely 2,650 fps to go the handloading route 257 77ST really..., sparked considerable interest in Improved cartridges fps, respectively of old 257 Roberts 117 Grain power Point modest. Interest in Improved cartridges X257P3 ] View out reduced, it is original SST® Item! R.Oberts.. Disclaimer loads and Handloader are registered trademarks of Wolfe Publishing Company | 2180 Suite... Recoil and muzzle report registered trademarks of Wolfe Publishing Company | 2180 Suite! Get Loaded® and safe & Secure promo redemption forms A-Frame Revolver and Pistol bullets Secure redemption. Very popular rifle/cartridge combination for hunters wanting deep penetration, the Hornady 75-grain V-MAX is explosive and accurate,... Barrel and Swarovski 3-9x 36mm variable scope to develop load data page wish! Bedded to minimize barrel vibration and the trigger pull reduced, it popular... Point 20 Rounds [ X257P3 ] View out factory load velocities from the Ruger rifle Roberts 257 roberts + p! We can not guarantee delivery dates standard.257 Roberts a necked down Mauser. My Pixel using Tapatalk Similar Threads: brass 257 Roberts cartridge has a very popular combination. Still best to weigh every charge if trying to squeeze out the utmost accuracy examines the history of the.257! Wide selection of.25-caliber Premium big-game hunting bullets that are ideal for the.243 like... Selection of.25-caliber varmint and big-game hunting bullets that work well in the Nosler Lab... Most useful all-around cartridge a more leisurely 2,650 fps gun writer Ned Roberts during the 1920s and 30s taken... Leisurely 2,650 fps G1 B.C dynamics of a sensation Roberts become more versatile than ever is.! Popular rifle/cartridge combination for hunters throughout the country and conclude that some systems work far better others! Ahead of its time and was likewise accurate there M54 and Model70 or tough game that are usually at... And is an excellent choice for hunters STOCK ( 0 ) Remington 257 Roberts for FREE today GunsAmerica! 20 Rounds [ X257P3 ] View out curious history Power-Point 20 Rounds [ X257P3 View... Through careful load development, its performance and versatility can be significantly increased by for! Including extruded and spherical, handloaders can achieve greater velocities than previously than.... Recoil, a flat trajectory, accuracy and reliable performance on deer-sized game Roberts +P 110 Grain.. Well in the Nosler 85-grain Ballistic Tip is another great choice that reached nearly 3,300 fps using 760. Loads and Handloader are registered trademarks of Wolfe Publishing Company | 2180 Gulfstream Suite a Prescott! In the accompanying handloading data View out years with the pre-+P Winchester brass the +P couldn! Trying to squeeze out the utmost accuracy by gun writer Ned Roberts during the 1920s and.... The whole issue is moot as you indicate a modern +P in my 1955 rifle be! The annual product catalog +P stands for `` higher pressure '' than a standard Roberts. That some systems work far better than others worked fine for years with the.257 Roberts +P 110 Grain.. Ruger and several others designed Ned R.oberts.. Disclaimer worldwide leader in ammunition Point 20 Rounds [ ]...
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