The PowerRank is an estimation of the cartridge power. Shipped in a hard case. 250 Savage 25 WSSM 25-06 Remington 257 Roberts 257 Ackley Improved 257 Weatherby Magnum .264″ Diameter 6.5 PRC (New) 6.5 Grendel (New) 6.5x55 Swedish Mauser 264 Winchester Magnum 6.5 CREEDMOOR 260 REMINGTON 6.5-300 Weatherby Magnum HORNADY AMMUNITION BALLISTICS ... LM 257 Roberts 117 gr. Centerfire Rifle. The Roberts leaped to the top of the 25-caliber pop charts because in 1934 Remington released their version of it, wisely keeping the already established 257 Roberts moniker. BTSP InterLock 8135 2780/2007 2550/1688 2331/1411 2122/1170 1925/963 1740/787 -1.5 1.9 0 -8.4 -24.4 -49.9 C 25-06 Rem 117 gr. The .25s have been American favorites for over a century, dating back to the .25-35 and .25-20 Winchester cartridges; by the time the .250-3000 Savage and .257 Roberts hit the scene, hunters were totally hooked. Increase your rifle's performance up to 200 fps without extra chamber pressure, recoil, muzzle blast, temperature sensitivity, fouling, or loss of accuracy. 285 Ga. Air Rifle. Red Oak, White, or Chestnut for Deer Herd? GUNWORLD AUSTRALIA WILL NOT SHIP AMMUNITION, POWDER OR PRIMERS. The 257 Improved is a fi ne performer, adding up to 100 fps velocity over its factory cousin. 80 Barnes TTSX B25780TTSX $99 .316 3870 3561 3274 3005 2753 2514 2661 2253 1904 1605 1346 1123 1.9 2.6 0.0 -6.4 -17.4 M 100 Spitzer G257100SR $44 .256 3500 3091 2718 2375 2057 1766 2721 2122 1641 1253 940 693 3.0 3.9 0.0 -10.1 -28.5 M 100 SP H257100SP $75 .357 3602 3298 3016 2750 2500 2264 2881 2416 2019 1680 1388 1138 2.4 3.1 0.0 -7.7 -21.0 M 100 Barnes TTSX … 0 0 0. ===================================================================. In more recent times factory ammo in a “+P” loading has improved the cartridge’s performance. GMX ® 81447 3250 2908 2592 2296 2020 1766 2110 1690 1342 1053 816 623 -1 513 0 -6 -197 -414 .257 Roberts-Federal Nosler Partition, .257 Roberts-Winchester Power Point + P, .257 Roberts-Hornady BTSP Interlock, .257 Roberts-Remington Soft Point Core-Lokt, .257 Roberts-Hornady SST LM Interlock. .257 roberts Rifle Ballistics Charts To begin, start with selecting your caliber of ammunition. UPC: 054041600101; … Precision engineering and tight tolerances make every Berger Match Grade. The .257 was designed to run in a bolt gun, and any receiver that was designed for the 7x57mm Mauser will handle the .257 Roberts perfectly. If you want to drive a .25 caliber seriously fast, these are definitely among the finest cases with which to do so. I have a 260 Rem reamer and that is close enough. SST InterLock 81454 2990/2322 2748/1962 2519/1648 2301/1375 … That’s still less than the typical 60,000 to 65,000 psi of comparable modern rifle cartridges. This means that the speed and energy will vary from cartridge manufacturer to manufacturer. The .257 Roberts was designed in the 1920s when wildcatter Ned Roberts started to do experiments on the .257 caliber cartridges. He owns guns. After the introduction of the .243 Winchester the .257 Roberts moved even further back on the market. 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. Berger Bullets & Ammunition, provides access to a level of factory ammunition never seen before in the ammunition industry. This interactive bullet database is free and containst 173 caliber ballistics, history, stats, and their trajectories charted out in full detail. Berger Hunting VLD Trophy Gold Ballistics The Hunting Shack, Inc 406-777-2106 4406 Rathbun Lane www.thehuntingshack.com Stevensville, MT 59870 10/17/2017. These projectiles are perfectly suited to light bodied game at close ranges but on heavier animals, above 90kg (200lb), a better balance of wounding versus penetration is obtained at ranges between 175 and 450 yards. 257 Roberts Ackley Improved Load Data; 25 Winchester Super Short Magnum Load Data; 25-06 Remington Load Data; 257 Weatherby Magnum Load Data; 6.5 Grendel Load Data; 6.5 Creedmoor Load Data ; 6.5 X 55 Swedish Mauser Load Data; 260 Remington Load Data; 6.5mm-06 A-Square Load Data; 6.5-284 Norma Load Data; 6.5 Remington Magnum Load Data; 264 Winchester Magnum Load Data; 26 … The 257 Roberts is one of two.25 caliber cartridges used for daily production testing in the Nosler Ballistics Lab. NO EXCEPTIONS WILL BE MADE. Then, it’s only a split second of accurate performance that counts. On the following pages we describe what happens in this short period between pulling the trigger and hitting the target, showing how Norma’s experience contributes to a controlled and reliable process. The standard BTSP at the more usual 2720fps performs much like the Winchester Power-Point. 257 Roberts +P 117 gr SST® Superformance® Item #81353 | 20/Box US Patent: 8,161,885 | 8,413,587. Centerfire Pistol . SST LM InterLock 85354 2940/2245 2701/1895 2474/1589 2258/1324 2053/1095 1859/898 -1.5 1.6 0 -7.3 -21.5 -39.9 C 257 Roberts 117 Gr. How to Sight in a Scope - Step by Step Guide. The.257 Roberts, also known as.257 Bob, is a medium-powered.25 caliber cartridge. By Phil Bourjaily. *Casing image above is an artist rendering and not a real photo of .257 Roberts Ballistics cartridge. The following ammunition cartridge ballistics information and chart can be used to approximately compare .243 Winchester vs .25-06 Remington ammo rounds. I am probably not going to build any 6.5 Creedmoor rifles. While we have went to great lengths to make sure that it's as accurate as possible this rendering should not be used to generate specs for casings. Ballistic Tip, 100 gr. Hornady list two loads for the.257 Roberts, the 117 grain Interlock BTSP at 2780fps and the 117 grain SST as a Superformance load at 2940fps. 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. Bullet Ballistics & Charts. Origin of the 257 Roberts. After being developed as a wildcat cartridge, essentially a necked down 7×57, the 257 Roberts was chambered commercially by Remington in the mid 1930s. With factory ammo and rifles readily available, it took off, aided by its flat trajectory and mild recoil. The .257 Roberts a medium powered .25 caliber cartridge known affectionately as the Bob. The current SAAMI spec for the.257 Roberts Maximum Average Pressure (MAP) is 54,000 psi. GMX ® 81446 3350 3001 2679 2378 2098 1837 2243 1799 1434 1130 879 674 -1 512 0-6 -183 -38 FB 25-06 Rem 90 gr. By Chuck Hawks. Aussiehunter invites readers to submit a story, or additional information, about this caliber. M .257 Wby. .243 Winchester Super Short Magnum (WSSM), .38 Super Auto Colt, .284 Winchester, 6.5x57 Mauser, .257 Roberts, .357 Magnum (Rifle Data), .357 SIG, 7.21mm (.284) Lazzeroni Firebird, .220 Swift, 6.5x54 MS (6.5 Mannlicher-Schoenauer), .32-20 Winchester, .218 Bee, .416 Dakota, .44 Remington Magnum (Pistol Data), .45 Auto (.45 ACP). The 120 grain Speer and 100 grain Nosler Partition have been two of the more successful hand loading rounds when it comes to acceptable wound penetration on targets. The factory load 100 grain bullets can produce reasonably fast kills on medium sized game on targets up to 150 yards, but is better suited for medium sized game at 100 yards. Email story and several good quality digital photos to firstname.lastname@example.org, Designed by Elegant Themes | Powered by WordPress, Review of the Ruger American Rimfire Compact rifle in 22LR, 22LR Ammo – CCI Shotshell for Pest Control, Bergara B14 Hunter rifle in 6.5 Creedmoor review, How To Sharpen a Knife on a Diamond Stone, Venison Rosemary and Garlic game meat sausages, Publication is at the editor’s discretion, The editor reserves the right to edit stories as required, The preferred story length is 500 to 1,000 words, The author’s name will be credited with the story, Stories and photos must be the original work of the author (NOT copied from anywhere else), Submission of story and photos implies author’s approval for aussiehunter to use the copyright gratis, There will not be any payment for the articles and photos submitted to aussiehunter. ANY ATTEMPTS TO PURCHASE EXPLOSIVES WITHOUT A LICENCE WILL BE REPORTED TO THE AUTHORITIES. June 2, 2017. For examples of what is required, look at the 223 Remington page. 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. The advantage the .257 Roberts gives to hunters is a reduced recoil compared to other rounds for people who have sensitive shoulders that cannot take the higher recoil from other cartridges. 7x57mm Mauser, 6.5x57 Mauser, 8x57mm Mauser JS, .220 Swift, 6mm Remington, .257 Roberts, .303 British, .444 Marlin. Of course, handloaders can easily extract the round’s potential. Please note, the following information reflects the estimated average ballistics for each caliber and does not pertain to a particular manufacturer, bullet weight, or jacketing type. Other 25 caliber wildcats are not this fl exible. This is part of my elderly friend's collection and is his last Remington 700 Classic. IMR 4350 is an excellent powder for our hunting weight bullets. Today’s gunfight pits a couple of smallish deer calibers against each other in a pair of bolt-action deer rifles. © Copyright GunData.org 2015 | Koenig Media, LLC | Links | Sitemap | Advertise. Winchester introduced a +P version with a MAP of 58,000 psi in the mid-1980s. A valid contention is that if the 257 Roberts had always been loaded to better velocities then we may not have seen the popular rise of 243 and 6mms. The .357 Magnum is a useful and fun cartridge when fired from a revolver. Rimfire. The .257 Roberts failed to gain any traction after the initial introduction of the 117 grain round into the market because the .250 Savage was considered to have better velocity. Winchester Ammunition manufactures quality, performance rifle ammo for hunting, sport- and recreational shooting. 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. While there are certainly faster .25s—like the .25-06 Remington and .257 Weatherby Magnum —the .257 Roberts is one of those sweet-shooting, yet effective cartridges that can handle appropriate game species out to sane hunting ranges. My cousin worked for Norma in Sweden and can do internal ballistics calculations. Already have basic ballistics data for your ammunition? Nosler Custom Ammunition, Trophy Grade - Caliber: 257 Roberts +P - Grain: 110 - Bullet Type: AccuBond - Muzzle Velocity: 3000 fps - Per 20 - Use: Medium Game SKU: 60010-5955 UPC: 054041600101 Manufacturer: Nosler Manufacturer part number: 60010 . Cartridge Type: RifleHeight: 2.233"Width: 0.473"Average FPS: 2790Average Energy: 2039Average Gr: 118Recoil: 1.47Power Rank: 3.29 of 20. Hand loading brass has been more effective increasing velocity on rounds and can be purchased from Hornady, Sierra, and Federal. Shotshell. One of its advantages, Ackley noted, is the fact that 257 Roberts factory ammunition can be used in an improved rifl e if necessary. For every action there is an equal and opposite reaction; that is one of the physical laws of our universe. The .257 is the ideal vessel for driving the 115 grain Ballistic Tip and 117 grain SST out to longer ranges with devastating results. VG condition. Range Velocity Energy Elevation Windage (y) (fps) (ft-lbs) (inches) (inches) 0 3165 2559 -1.6 0 100 2960 2237 0 0.27 200 2760 1946 -2.38 1.15 300 2568 1684 -9.34 2.72 400 2383 1450 -21.58 5.04 500 2206 1243 … The ballistic performance based off four grain types for velocity are 3,563 ft/s (75 gr), … 257 Roberts Trajectory. 257 Roberts Ballistics. 257 Roberts 115 gr. Partition, or the 110 gr. We'll display standard charts for a classic grid look, or select "Visualize" for an enhanced visualization of the data. Either the 100 gr. SF 257 Roberts +P 117 gr. Ammunition A FIREARMS LICENSE IS REQUIRED FOR THIS PRODUCT. AccuBond would be our pick for deer-sized game. This means that the momentum of a rifle's reaction will exactly equal the momentum of the bullet and powder gasses ejected from the barrel. The ballistic performance based off four grain types for velocity are 3,563 ft/s (75 gr), 3,368 ft/s (90 gr), 3,108 ft/s (100 gr), and 2,777 ft/s (115 gr). The .257 Roberts factory loads are available on the commercial market inside the U.S. by manufacturers such as Olin, Hornady, and Federal. After being developed as a wildcat cartridge, essentially a necked down 7×57, the 257 Roberts was chambered commercially by Remington in the mid 1930s. This was the 257 Roberts based on the 7x57mm Mauser case hitting about 3,300 fps with an 87-grain bullet. The Roberts is not a puny quarter-bore cartridge! It is still on my list of desirable calibers and I expect one day I will get around to acquiring one. Gun tinkerer Ned Roberts created this hot little number sometime in the 1920s, and by 1934 Remington saw the light and took it commercial, sticking with the already well known 257 Roberts name. Prior to the commercial ascendancy of the 25-06 Remington, however, there was the 257 Roberts. 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. Rifle only $800 with Leupold mounts and a multicoated Leupold M8 6x42mm scope $950. After extensive stalking or stand hunting, the moment comes when the hunter decides to shoot. For a long time factory ammunition was significantly underloaded, to account for possible use in older, weaker actions, and the round did not deliver its full ballistic potential. To summarize, the.257 Roberts can drive 115 - 120 grain bullets to +/- 3 inch MPBR ranges of 265 yards (or more) with killing power that is more than adequate for deer and similar size game. Shot from the longer barrel of a rifle, though, the .357 shows a pronounced improvement in velocity and trajectory. The .25-06 which holds another 8 or 9 grains of powder outperforms the .257 Ackley by about 200fps. Remember, this is from rifles with 20 inch barrels. 823 Products Found Sort. Nosler Ammunition 60010 Trophy 257ROB+P 110 AB 20/10 - $43.39 ($7.99 S/H on firearms) $2.17 ppr $43.39. Sellier & Bellot … Speed and Energy are figured out using an average of all the known cartridges. I have used friend’s rifles in 257 Roberts and thought it was a sweet and accurate caliber. Ballistics. SST ® 81353 2946 2707 2480 2265 2060 1866 2255 1903 1598 1332 1102 905 -1 5 16 0 -73 -214 -437 SF 25-06 Rem 90 gr. The first number is the value of this cartridge, and the last number is the value of the most powerful round in our bullet database. Leaders in Extreme Long-Range Bullets. Gunfight Friday: .257 vs. .243. These are built on the long action action so you reload to the magic 3" Roberts. Like many others, I reckon a properly loaded 257 Roberts would be close to the perfect deer rifle. Despite a long held interest, and faith, in this cartridge I have never owned a rifle chambered for it. 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. 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