7x57mm Mauser, 6.5x57 Mauser, 8x57mm Mauser JS, .220 Swift, 6mm Remington, .257 Roberts, .303 British, .444 Marlin. 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. By Phil Bourjaily. 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. I have built rifles in 257 Roberts, 257 Roberts Ackley, and 257 Roberts Ackley rimmed. 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. That’s still less than the typical 60,000 to 65,000 psi of comparable modern rifle cartridges. 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. Nosler Ammunition 60010 Trophy 257ROB+P 110 AB 20/10 - $43.39 ($7.99 S/H on firearms) $2.17 ppr $43.39. The current SAAMI spec for the.257 Roberts Maximum Average Pressure (MAP) is 54,000 psi. 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. 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. .257 roberts Rifle Ballistics Charts To begin, start with selecting your caliber of ammunition. In more recent times factory ammo in a “+P” loading has improved the cartridge’s performance. We'll display standard charts for a classic grid look, or select "Visualize" for an enhanced visualization of the data. GMX ® 81447 3250 2908 2592 2296 2020 1766 2110 1690 1342 1053 816 623 -1 513 0 -6 -197 -414 Then, it’s only a split second of accurate performance that counts. Berger Bullets & Ammunition, provides access to a level of factory ammunition never seen before in the ammunition industry. 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 NO EXCEPTIONS WILL BE MADE. 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. 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. Winchester introduced a +P version with a MAP of 58,000 psi in the mid-1980s. Aussiehunter invites readers to submit a story, or additional information, about this caliber. 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. 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. Shot from the longer barrel of a rifle, though, the .357 shows a pronounced improvement in velocity and trajectory. The .257 is the ideal vessel for driving the 115 grain Ballistic Tip and 117 grain SST out to longer ranges with devastating results. My cousin worked for Norma in Sweden and can do internal ballistics calculations. 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. Of course, handloaders can easily extract the round’s potential. How to Sight in a Scope - Step by Step Guide. Gunfight Friday: .257 vs. .243. 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. 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. 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. It is still on my list of desirable calibers and I expect one day I will get around to acquiring one. AccuBond would be our pick for deer-sized game. 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. 0 0 0. This is part of my elderly friend's collection and is his last Remington 700 Classic. 257 Roberts Trajectory. The .257 Roberts factory loads are available on the commercial market inside the U.S. by manufacturers such as Olin, Hornady, and Federal. VG condition. Hand loading brass has been more effective increasing velocity on rounds and can be purchased from Hornady, Sierra, and Federal. Centerfire Pistol . 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. 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 … 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. 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. The.257 Roberts, also known as.257 Bob, is a medium-powered.25 caliber cartridge. Shotshell. 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. 257 Roberts 115 gr. 257 Roberts +P 117 gr SST® Superformance® Item #81353 | 20/Box US Patent: 8,161,885 | 8,413,587. Prior to the commercial ascendancy of the 25-06 Remington, however, there was the 257 Roberts. 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 … 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. Cartridge Type: RifleHeight: 2.233"Width: 0.473"Average FPS: 2790Average Energy: 2039Average Gr: 118Recoil: 1.47Power Rank: 3.29 of 20. 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. 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. Other 25 caliber wildcats are not this fl exible. Shipped in a hard case. .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. 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. 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