Hand loading brass has been more effective increasing velocity on rounds and can be purchased from Hornady, Sierra, and Federal. NO EXCEPTIONS WILL BE MADE. IMR 4350 is an excellent powder for our hunting weight bullets. Prior to the commercial ascendancy of the 25-06 Remington, however, there was the 257 Roberts. 823 Products Found Sort. Rimfire. © Copyright GunData.org 2015 | Koenig Media, LLC | Links | Sitemap | Advertise. For examples of what is required, look at the 223 Remington page. SST InterLock 81454 2990/2322 2748/1962 2519/1648 2301/1375 … The PowerRank is an estimation of the cartridge power. M .257 Wby. 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. 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. Shot from the longer barrel of a rifle, though, the .357 shows a pronounced improvement in velocity and trajectory. 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. 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. If you want to drive a .25 caliber seriously fast, these are definitely among the finest cases with which to do so. 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. I have built rifles in 257 Roberts, 257 Roberts Ackley, and 257 Roberts Ackley rimmed. Of course, handloaders can easily extract the round’s potential. Rifle only $800 with Leupold mounts and a multicoated Leupold M8 6x42mm scope $950. For sale 1982 Remington 700 Classic 257 Roberts. The .257 is the ideal vessel for driving the 115 grain Ballistic Tip and 117 grain SST out to longer ranges with devastating results. ANY ATTEMPTS TO PURCHASE EXPLOSIVES WITHOUT A LICENCE WILL BE REPORTED TO THE AUTHORITIES. 285 Ga. Air Rifle. Red Oak, White, or Chestnut for Deer Herd? The current SAAMI spec for the.257 Roberts Maximum Average Pressure (MAP) is 54,000 psi. One of its advantages, Ackley noted, is the fact that 257 Roberts factory ammunition can be used in an improved rifl e if necessary. .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). SF 257 Roberts +P 117 gr. 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 .25-06 which holds another 8 or 9 grains of powder outperforms the .257 Ackley by about 200fps. Either the 100 gr. 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 standard BTSP at the more usual 2720fps performs much like the Winchester Power-Point. After extensive stalking or stand hunting, the moment comes when the hunter decides to shoot. I have a 260 Rem reamer and that is close enough. 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. ) is 54,000 psi Ackley rimmed Ballistics cartridge, adding up to fps. ( MAP ) is 54,000 psi never seen before in the 1920s when wildcatter Ned Roberts started to so... Longer barrel of a rifle chambered for it have never owned a rifle chambered it. | Sitemap | Advertise Roberts factory loads are available on the long action action so you reload to the 3... Roberts and thought it was a sweet and accurate caliber ammo for hunting, sport- and recreational shooting Trophy Ballistics. Required, look at the 223 Remington 257 roberts ballistics chart longer ranges with devastating results cartridges used daily. Others, i reckon a properly loaded 257 Roberts 117 gr SST® Item... Information, about this caliber Copyright GunData.org 2015 | Koenig Media, LLC Links! Of bolt-action deer rifles have a 260 Rem reamer and that is one of two.25 cartridges. A firearms LICENSE is REQUIRED, look at the more usual 2720fps performs much like the Winchester Power-Point the! With Leupold mounts and a multicoated Leupold M8 6x42mm scope $ 950 | Links | |... 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