257 roberts reloading data.

Dec 1, 2018 ... Doing some load development for the Ruger M77 tang safety .257 Roberts using reloder 15 with Nosler Brass and Nosler 85gr ballistic tip ...

257 roberts reloading data. Things To Know About 257 roberts reloading data.

.257 Diameter Bullets 75 gr. HP 87 gr. SPT 90 gr. HPBT 100 gr. SPT 100 gr. SBT 117 gr. SBT 117 gr. SPT 120 gr. HPBT.264 Diameter Bullets 85 gr. HP 100 gr. HP 120 gr. SPT 2971. Remarks: max load. .257 Roberts (Berger Bullets Data) reloading data with 38 loads. Using bullets from Berger Match FB Target, Berger Match VLD Target or Match Grade VLD Hunting. Powders include IMR, Hodgdon, Alliant, Accurate, Ramshot, Vihtavuori, Winchester, Norma.Utah. QuickLOAD agrees with the others that 45.5g is WAY over pressure for the standard 257 Roberts. With a 24" barrel and a COAL of 2.775" the estimated pressure is 67,220 psi with 3,081 fps estimated muzzle velocity. QuickLOAD predicts that 41.5g to be max with that combo (@ 2.775" COAL & 24" barrel) for 2,822 fps..257 Roberts Reloading Data (Using Hornady Bullets) reloading data with …

.257 Roberts (Barnes Reloading Manual #4) reloading data with 40 loads. Using bullets from Barnes TTSX BT, Barnes Banded Solid Spitzer, Barnes TSX BT, Barnes TSX FB. Powders include IMR, Ramshot, Hodgdon, Vihtavuori, Accurate, Alliant

WLR; min. OAL (inches): 2.775; case: Win. bbl length: 24. Be Alert: Publisher cannot be responsible for errors in published load data. Wt. .257 Roberts +P (Alliant Data) reloading data with 4 loads. Using bullets from Sierra HP, Speer Spitzer, Sierra HPBT. Powders include Alliant. I am planning on trying the 110 gr AB in my 257 Roberts this spring. I am shooting a M700 Classic and have had excellent results with IMR 4350. I will start my load development with this powder. With the 100 gr BT or PT, I have been using 45.0 grs of IMR 4350. The 115 gr BT and PT use 43.0 grs of the same powder.

Popular names in the World War II era for boys were James, Robert, John, William and Richard; for girls, the top five names were Mary, Linda, Barbara, Patricia and Carol. Topping t....257 Roberts (Winchester Model 70) reloading data with 7 loads. Using bullets from Hornady HP, Speer SP, Sierra BTHP, Hornady SP. ... .257 Roberts (Winchester Model 70) Warning! ... (Rifle Issue #106 - July, 1986) Be Alert: Publisher cannot be responsible for errors in published load data. Wt. Bullet: Powder Manufacturer: Powder: Charge ...All loads in Winchester Super Speed cases, overall length was 3.015 inches. (Rifle Issue 108 - November, 1986) Be Alert: Publisher cannot be responsible for errors in published load data. Wt. .257 Roberts Ackley Improved reloading data with 13 loads. Using bullets from Sierra, Sierra B.T., Speer. Powders include IMR, Hodgdon, Norma.If we take the Roberts with a 100-grain bullet at 3,000 fps and zero the rifle for 200 yards, bullet drop at 300 yards is only 7.2 inches. Now load the same bullet weight in the .25-06 … Hornady Manufacturing Company develops and publishes reloading data for the Handbook of Cartridge Reloading. Occasionally, we will temporarily publish load data on this page when a bullet becomes available and is not yet listed in the latest edition of the handbook. 6.5mm .264" 100 gr. ELD-VT™ [PDF] 22 ARC (Bolt Gun) [PDF] 22 ARC (Gas Gun) [PDF]

.257 Diameter Bullets 75 gr. HP 87 gr. SPT 90 gr. HPBT 100 gr. SPT 100 gr. SBT 117 gr. SBT 117 gr. SPT 120 gr. HPBT.264 Diameter Bullets 85 gr. HP 100 gr. HP 120 gr. SPT 140 gr. SBT 160 gr. SMP 120 gr. HPBT MatchKing 140 gr. HPBT MatchKing 155 gr. HPBT MatchKing.277 Diameter Bullets 90 gr. HP 110 gr. SPT 130 gr. SBT 130 gr. SPT

The .257 Roberts was the premier combination varmint/deer cartridge until the .243 Winchester and .244 Remington were introduced in 1955. These cartridges were highly touted by Warren Page, the Shooting Editor at Field & Stream magazine, and appeared to be ballistically superior to the .257 Roberts.

60. Location. Fernandina Beach. That is interesting, and probably has something to do with the 257 Roberts being the only rifle cartridge that later had a +P designator. I currently don’t own a Roberts, but have loaded for 5 of them. All preferred H4350 and a good 100 gr bullet, such as the TSX or Nosler BT..257 Roberts (Hodgdon Data) reloading data with 122 loads. Using bullets from Hornady SP, Hornady HP, Barnes TTSX BT, Hornady GMX, Sierra HPBT, Speer SPBT, Nosler Part.Sep 24, 2022 ... These recoil figures can be adjusted with heavier or lighter bullets, of course, but when using the most common factory loads, the .257 Roberts ...Reloder 16. Select A Caliber or Gauge Below To View Recipes. 243 Win. 25-06 Rem. 257 Roberts. 260 Rem. 270 Win. 270 Win. Short Magnum.The .257 Roberts A.I. holds around 56.6 to 58.5 grains of water beneath a seated bullet, to the .257 Roberts 51.4 to 53.6 grains, all other factors remaining equal. Hornady’s 90-grain GMX paired best with. 43.5 grains of IMR-4064 at a velocity. of 3,302 fps. That three-shot, 100-yard group. measured .58-inch..257 Roberts in a 24-inch Barrel reloading data with 10 loads. Using bullets from . Powders include Winchester, IMR ... .257 Roberts in a 24-inch Barrel: Warning! Notes: Handloader Issue 130: Be Alert: Publisher cannot be responsible for errors in published load data. Wt. Bullet: Powder Manufacturer: Powder: Charge: Velocity (FPS) 90 ...

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. After some work he decided to go with a 7x57 Mauser as the parent case and Remington Arms picked up the ...Date: Feb 11 2014. N.H. "Ned" Roberts developed the .257 Roberts cartridge during the 1920s by necking the 7mm Mauser case to accept .257-inch bullets, and by changing the shoulder angle from 20 to 15 degrees. Roberts was a well-known experimenter and gun writer, and his cartridge became a popular wildcat among custom rifle builders and hunters.257 Roberts Brass: We Offer Both New and Once Fired Brass in 257 Roberts Once Fired Brass : The once fired brass has been magnetically screened, machine sorted and meticulously hand inspected. Brass is comprised of mixed headstamps, both nickel and brass casings. They are packaged in vacuum sealed in bags. The vacuum sealed bags ….257 Roberts +P (Accurate Loading Guide #2) Warning! Notes: This data is only for use in modern firearms, approved by a gunsmith or manufacturer, for use with higher pressure +P ammo. The SAAMI Maximum Average Pressure for the .257 Roberts +P is 58,000 PSI. Factory +P ammo produced 51,000 PSI in our test barrel. These loads do not exceed that ...IMR-7828. Subscribe. 2,608. Remarks: .257 Roberts Carbine reloading data with 33 loads. Using bullets from Sierra jacketed hollowpoint, Hornady Spire Point, Sierra hollowpoint boat-tail, Nosler Ballistic Tip, Nosler Partition, Sierra spitzer boat-tail, Speer spitzer boat-tail. Powders include Hodgdon, IMR, Alliant, Accurate.Dec 1, 2018 ... Doing some load development for the Ruger M77 tang safety .257 Roberts using reloder 15 with Nosler Brass and Nosler 85gr ballistic tip ...

Mar 10, 2011 ... Looking for loads for a 257 Roberts, the rifle is used for elk, deer, and antelope. Thinking a 110gr Nosler ACCU-bond or 100gr Partition will be ...Well, I'm about three weeks into reloading for the .257 Roberts +P. So far I have three good loads worked up and have loaded but not test-fired another batch. The results so far: Common components. Win brass, CCI 250 primer. 75g Hornady VMAX. COL 2.8025". 42.0g Varget. 3187fps, 7.0fps STD, 16fps E.S.

257 Roberts +P 117 gr SST® Superformance®. Increase your rifle's performance up to 200 fps without extra chamber pressure, recoil, muzzle blast, temperature sensitivity, fouling, or loss of accuracy. Superformance ® uses progressive propellants that take your favorite V-MAX, ® NTX, ® SST, ® CX,™ and InterLock, ® bullets to levels of ... *To fire-form brass, use the faster-burning powders and loads from standard .257 Roberts data. *To properly chamber a rifle for .257 Ackley Improved cartridges, a gunsmith must set the original barrel back about 0.004”. The chamber distance from the bolt face to the junction of shoulder and neck is shorter in Ackley Improved rifles than in ... 257 Roberts +P with 120 gr Spitzer BTSP. speer-ammo.com Hodgdon H414 Winchester CCI 250 39.0 2507 43.0 2767 IMR 4064 Winchester CCI 200 34.0 2423 38.0 2705 IMR 4320 Winchester CCI 200 32.0 2316 36.0 2545 IMR 4350 Winchester CCI 200 39.0 2512 43.0 2758 IMR 4831 Winchester CCI 200 41.0 2552 45.0 2793The .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. The maximum loads in the accompanying data are almost all +P pressures. However, for handloaders wanting standard pressure data, starting and maximum loads should be ...56 posts · Joined 2003. #4 · Jul 24, 2008. My .257 AI built on a pre-64 Win M70 action and Douglas Premium barrel likes the following load: Winchester brass. CCI Large Rifle Primers. 100 gr. Nosler Partitions. 50 grs. IMR 4350. Load chronographs at 3200 fps and shoots 5/8" three shot groups at 100 yards.Reloading . 257 Roberts +P Quickload Request ... .257 Roberts +P+ (not SAAMI) Bullet : .257, 115, Nosler BalTip 25115 Useable Case Capaci: 47.503 grain H2O = 3.084 cm³ Cartridge O.A.L. L6: 2.775 inch = 70.49 mm Barrel Length : 20.0 inch = 508.0 mm Powder : Alliant Reloder-22 Predicted data by increasing and decreasing the given …NORMA wants to contribute to development and therefor we share approved reloading data for handloading with every caliber. Learn more about hand loading here! Norma Academy; Products; Reloading; Governmental; ... 257 ROBERTS. 25-06 REMINGTON. 257 WEATHERBY MAGNUM. 6,5 JAPANESE ARISAKA. 6,5 CARCANO. 6,5x54 M-S. …

Remarks: COAL (inches): 3.020; 3-shot 100-yard group (inches): .77. .257 Roberts Ackley Improved (Load Development) reloading data with 45 loads. Using bullets from Nosler Ballistic Tip Varmint, Hornady GMX, Hornady ELD-X, Nosler Ballistic Tip Hunting, Berger VLD Hunting. Powders include Hodgdon, Alliant, Ramshot, IMR, Accurate, Vihtavuori ...

If we take the Roberts with a 100-grain bullet at 3,000 fps and zero the rifle for 200 yards, bullet drop at 300 yards is only 7.2 inches. Now load the same bullet weight in the .25-06 …

The .257 Roberts has a maximum average pressure of 54,000 psi and can be loaded with bullet weights ranging from 75 to 120 grains. It is commonly used for hunting deer, antelope, and other similar-sized game, as well as varmints. The popularity of the .257 Roberts has declined in recent years, with many hunters opting for newer cartridges that ... 257 Roberts +P with 100 gr HP. speer-ammo.com Alliant Reloder 23 Federal Federal 210 43.9 2767 48.8 C3064 Hodgdon H380 Winchester CCI 250 38.0 2566 42.0 2842 Hodgdon H414 Winchester CCI 250 40.0 2657 44.0 2878 Hodgdon H4350 Winchester CCI 200 43.0 2795 47.0 C3055Dec 19, 2011 ... 257 Bob. A Ruger #1B that has so far only had Norma 100 gr. loads through it and a Winchester M70 Featherweight that is so far a decent shooter ...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. After some work he decided to go with a 7x57 Mauser as the parent case and Remington Arms picked up the ....257 Roberts Ackley Improved Data reloading data with 4 loads. Using bullets from Hornady V-Max, Barnes XLC, Nosler Ballistic Tip, Nosler Partition. Powders include Ramshot, Hodgdon, Accurate, Alliant .257 Roberts (Cast Bullet Loads) reloading data with 9 loads. Using bullets from Lyman 257463, Lyman 257464, Lyman 257235. Powders include Alliant, IMR Load Data for .257 Roberts . Bullet: 120 gr HPBT (Sierra) Diameter: 0.257" Powder: IMR 4350 (Improved Military Rifle) Starting Powder: Max Powder: 41.5 gr . Primer ... 257 Roberts +P with 100 gr HP. speer-ammo.com Alliant Reloder 23 Federal Federal 210 43.9 2767 48.8 C3064 Hodgdon H380 Winchester CCI 250 38.0 2566 42.0 2842 Hodgdon H414 Winchester CCI 250 40.0 2657 44.0 2878 Hodgdon H4350 Winchester CCI 200 43.0 2795 47.0 C3055The .257 Roberts has a maximum average pressure of 54,000 psi and can be loaded with bullet weights ranging from 75 to 120 grains. It is commonly used for hunting deer, antelope, and other similar-sized game, as well as varmints. The popularity of the .257 Roberts has declined in recent years, with many hunters opting for newer cartridges that ... 257 Roberts Ackley Improved Load Data. 85 Grain. 100 Grain. 110 Grain. 115 Grain. 120 Grain. Explore the world of Nosler, renowned for crafting the finest bullets, ammunition, rifles, and brass. Discover our extensive lineup, including Partition, AccuBond, E-Tip, Ballistic Tip, Custom Competition, and more. Experience superior quality and ...

Load data with 94 loads for .257 | 100gr | Sierra SPT Pro-Hunter bullet in caliber .257 RobertsThe .257 Roberts has a maximum average pressure of 54,000 psi and can be loaded with bullet weights ranging from 75 to 120 grains. It is commonly used for hunting deer, antelope, and other similar-sized game, as well as varmints. The popularity of the .257 Roberts has declined in recent years, with many hunters opting for newer cartridges that ....257 Roberts (Reduced Loads) reloading data with 4 loads. Using bullets from Hornady Flatnose, Sierra ProHunter, Nosler Partition. Powders include IMR, Hodgdon ... .257 Roberts (Reduced Loads) Warning! Gun: Remington 722; Barrel Length: 24 inches; Twist: 1-10; Primer: CCI 200; Case: Remington; Source: Handloader February/March 2017 …Instagram:https://instagram. 500 grams flour how many cups485jmoose's saloonage of amy carter Reloading data is available as low as 99¢ per cartridge or as a subscription for $19.99. Below you’ll find some basic data for each cartridge to help get you started. Basic Load Data. Hornady Manufacturing Company develops and publishes reloading data for the Handbook of Cartridge Reloading. Occasionally, we will temporarily publish load ... gorham savings bank loginpravda nightclub wilmington kleanbore 1. Oct 31, 2020. #1. Any long time shooters of the 257 Roberts, a question for you. What powders do you prefer for the heavier bullets, say 90gr-120gr I have IMR 4350, 4064, 3031, Varget , Reloader 15 and others. I know, what shoots good in your rifle may not in mine. Looking for a consensus on where to start.The current SAAMI spec for the .257 Roberts Maximum Average Pressure (MAP) is 54,000 psi. Winchester introduced a +P version with a MAP of 58,000 psi in the mid-1980s. That’s still less than the typical 60,000 to 65,000 psi of comparable modern rifle cartridges. The .257 Roberts was pretty popular for a few years before and after World … home depot south hill virginia The .257 Roberts Improved. The two most popular "Improved" .257 Roberts cartridges are the Ackley and RCBS versions. They are quite similar except for the shoulder angle, which is 40 degrees for the Ackley version and 28 degrees for the RCBS version. The Hornady Handbook and Nosler Reloading Guide show maximum reloads for the .257 Improved ... *To fire-form brass, use the faster-burning powders and loads from standard .257 Roberts data. *To properly chamber a rifle for .257 Ackley Improved cartridges, a gunsmith must set the original barrel back about 0.004”. The chamber distance from the bolt face to the junction of shoulder and neck is shorter in Ackley Improved rifles than in ...Join Date: March 2, 2010. Posts: 28. 257 Roberts Modern Data. I have asked similar before, but now I am about to load my test loads this weekend and hate going in blind. Here is the loading data from Hodgdon's website for my selected powder and bullet for .257Roberts. Notice that it is a conservative load meant to be safe for older Mausers.