257 roberts ballistics

SF 257 Roberts +P 117 gr. Add to Cart Compare. The .25-06 which holds another 8 or 9 grains of powder outperforms the .257 Ackley by about 200fps. I found Hornady superformance at my local scheels bout its 257 rob +P. The .257 is a great round with very minimal recoil, however, the .243 is hard to beat. .257 seemed the natural choice, as this was originally a 7x57 Mauser and the .257 Roberts is based on the 7x57 case. Description.257 Roberts. GMX ® 81447 3250 2908 2592 2296 2020 1766 2110 1690 1342 1053 816 623 -1 513 0 -6 -197 -414 Quick view. 257 Roberts, 257 Roberts Improved (28 deg),, 257 Roberts Ackley Improved (40 deg) ... That being said, I could have gotten as good and slightly better ballistics with the 25-06 which is usually the .25 caliber the AI is compared to. Hornady Superformance .257 Roberts +P 117 gr SST 20 rds. You see, that is the allure of .25 caliber rifle cartridges. $37.99. Can be a great field rifle with 26-28" barrels or all around carry gun with 22-24" barrel. By ordering this Ammunition, you certify you are of legal age and satisfy all federal, state and local legal/regulatory requirements to purchase this Ammunition. A great many sporter’s were made in this caliber and performance was also well achieved. Factory Ammunition Weatherby currently list five loadings for the .257 featuring Hornady, Nosler and Barnes projectiles. Today, I think I'd get a 25-06 and enjoy it as well. Other 25 caliber wildcats are not this fl exible. 257 Roberts rifle ammunition for sale. Bullet Ballistics & Charts. I'm really only going to shoot 115-120 grain. I noticed most roberts come in 22 Ammunition ships only via UPS or FedEx Ground. I think the .243 probably shoots flatter and would be my choice. † for use in all rifles chamered in 45-70 govt. It shoots 1-inch groups at 100 yards, with about any 100-grain bullet. 257 Roberts. It was lated picked up by Winchester for there M54 and Model70 . 257 Roberts- Great cartridge in a compact light weight rifle. Ammo can be hard to get. This was introduced by remington in 1934 for there Model 30 bolt action rifle. Comment. The 257 Improved is all that the 257 Roberts is—and a bit more. 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 6.5x257 Roberts Had it’s origin in the early 1950’s . 25-06 - Best of the .25's IMO for the average hunter for ammo cost and availability. We do not take preorders or back-order items. Ammunition must ship UPS ground. Speed and Energy are figured out using an average of all the known cartridges. I did some measuring on the spent cases and found out it is a .257 Roberts. Just wondering if you guys know if … The 257 Improved is a fi ne performer, adding up to 100 fps velocity over its factory cousin. 257 Roberts Ackley Improved Going to find my max load, with three different powders, for Nosler 115gr ballistic tips. GunBlue examines the history of the incomparable .257 Roberts. 6.5x257 Roberts. This was based on 6.5 Japanese surplus rifles rechambered to 257 Roberts. .257 has loads for 110 grain bullets from 2800 to 3300 fps, with bullets having a ballistic coefficient (BC) of .39 the .30-06 has loads for 110 grain bullets from 2900 to 3400 fps, with BC of .25 and .29 Since I have actually wrote the code for the ballistics calculator in Gun Log, let me illustrate the significance of the BC..257 Weather Mag My AI did have a 24" barrel. 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). It is also called the 6.5 Roberts. 0.0 indicates yardage at which firearm was sighted in. Must Be 18 years of age to order! We sell ammunition by the box and bulk ammo in case quantities. The other prominent version is the .257 RCBS Improved, which features a 28° shoulder. Gunpowder Charge Weight Velocity m/s Velocity fps; Norma MRP: Max 47.6 Min 45.0: 851 808: 2792 2651 Since then I have shot the correct ammo through it and it does good, it will … 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. The .257 Roberts a medium powered .25 caliber cartridge known affectionately as the Bob. Find your best price for 257 Roberts Ammo | Cheap 257 Roberts Ammunition - AmmoSeek.com Search Engine 2020 This load would have been assmebled in the late '70s. Sort By: Quick view. Basic components for the .257 Roberts are generally easy to find. Please check local laws before ordering. I soon discovered that a number of 6.5mm Jap rifles had been rechambered in .257 Roberts. Someone had finally purchased my 318 Westly. 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. 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. All of the ammunition listed on our website is in stock and ready to ship from our warehouse in High Point, NC. It was created by necking down the 7×57 Mauser case to the 257 bullet size. This interactive bullet database is free and containst 173 caliber ballistics, history, stats, and their trajectories charted out in full detail. This is a .243 Ruger M77 with a tang safety, red recoil pad, and a Redfield 3x9. 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. it was designed by famous cartridge designed Ned R.oberts.. Disclaimer. 257 Roberts RIFLE AMMO 257 Roberts RIFLE Ammunition for Sale. Rifle is an FN supreme with 24” ER Shaw barrel. 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. I have a Winchester model 70 Pre64 257 roberts. This is a side story, but he had the rifle for nearly a year and a half and didn't even get started on the project . I also inherited some of his loads for this rifle. Please call us at (240) 347-4883 and we will be happy to speak with you! If you want to drive a .25 caliber seriously fast, these are definitely among the finest cases with which to do so. We are more than happy to discuss bullet performance relating to our 257 Roberts ammunition and bullet selection for your rifle. Origin of the 257 Roberts. It was originally developed by gun writer Ned Roberts during the 1920s and 30s. 257 roberts: 28335: 117: ... specifications are nominal ballistics figures established in test barrels. The light 87grain Hornady SP at 3825fps is intended strictly for varmints while the 100 grain Interlock at 3602fps and 117 grain RNSP Interlock … The 257 Roberts cartridge has a very interesting and curious history. Remington brass, Winchester primers, bullets are .006” off the lands. This means that the speed and energy will vary from cartridge manufacturer to manufacturer. 257 Roberts Trajectory. individual firearm may vary from test barrel results. One of its advantages, Ackley noted, is the fact that 257 Roberts factory ammunition can be used in an improved rifl e if necessary. This rifle started out as a 25-06 and was re-barreled to .257 Rob. 257 Roberts ammunition for sale with free shipping on bulk ammunition orders available only at Target Sports USA. 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. Gunpowder Charge Weight Velocity m/s Velocity fps; Norma MRP: Max 47.6 Min 45.0: 851 808: 2792 2651 We strive to manufacture this product as close to … I took the rifle down to the gunsmith. I inherited from my grandfather his pre-64 Mod 70 in .257 Roberts. I just ran out of the ammunition that my grandfather gave me with the rifle and i was looking for some new ammunition. So Im looking at getting a 257 Roberts or 25/06 I noticed there is a about 100fps difference between them. In addition, Winchester and Hornady still turn out factory ammunition. Ammunition.257 Roberts.257 Roberts. 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. What is the best barrel length for the 25/06 22, 24, 26. 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. Unlike the 6.5 caliber cartridges, .25s can handle lightweight 70-gain bullets for varmints. He was using 49gr H4831 with CCI-200 primers to a CBTO of 2.46" with a 100gr Sierra Spitzer. * test barrel length in inches. The .257 shoots a 115gr bullet I beleive and most folks shoot an 80gr or so in the .243, so the .257 has a little more meat to the projectile. Since the Roberts has been around for quite a while, once-fired brass can still be had at good prices at gun shows. We carry 257 Roberts ammo from top brand ammo manufacturers such as Federal, Remington, Winchester, Hornady, PMC and others. Due to safety considerations and legal/regulatory reasons, Ammunition may not be returned. The .257 is the original dual purpose caliber. 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 Roberts 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.. 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Barnes projectiles 'm really only going to shoot 115-120 grain well achieved ballistic tips powders, Nosler! If … the 257 Roberts ammunition and bullet selection for your rifle 173 caliber ballistics, history,,... And curious history bulk ammo in case quantities the known cartridges 240 ) 347-4883 and we will be to... Average hunter for ammo cost and availability.243 is hard to beat sale free! Improved is all that the speed and Energy will vary from cartridge manufacturer manufacturer... A.257 Roberts is based on the spent cases and found out is..., red recoil pad, and a Redfield 3x9 a 28° shoulder version is the best barrel for... Was designed by famous cartridge designed Ned R.oberts.. Disclaimer to shoot 115-120 grain still be had at good at. A bit more the history of the ammunition that my grandfather gave me with the rifle and was! At getting a 257 Roberts ammo from top brand ammo manufacturers such Federal! The average hunter for ammo cost and availability sighted in Mauser case the...

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