257 roberts reloading data.

222 Remington Magnum. 22-250 Remington. 223 Remington. 243 Winchester. 25-06 Remington. 257 Roberts +P. 26 Nosler. 260 Remington. 264 Winchester Magnum..257 Roberts Improved Data reloading data with 40 loads. Using bullets from Hornady, Sierra HP, Rem. Power Lokt, Sierra, Hornady Spire Point, Hornady Round Nose, Barnes. Powders include Norma, Hodgdon, IMR, Alliant, Winchester ... .257 Roberts Improved Data: Warning! Notes: 28 degree; 22-inch sporter barrel; Oehler Model 10 chronograph …Wt. .257 Roberts (Using Nosler Bullets) reloading data with 150 loads. Using bullets from Nosler BT, or CT Ballistic Silvertip, Nosler BT, Partition Spitzer or E-Tip, Nosler Accubond, Nosler Solid Base Ballistic Tip (blue), Nosler, Nosler Partition Spitzer. Powders include Alliant, Accurate, IMR, Hodgdon, Vihtavuori, Ramshot, Winchester.Wt. .257 Roberts (Using Nosler Bullets) reloading data with 150 loads. Using bullets from Nosler BT, or CT Ballistic Silvertip, Nosler BT, Partition Spitzer or E-Tip, Nosler Accubond, Nosler Solid Base Ballistic Tip (blue), Nosler, Nosler Partition Spitzer. Powders include Alliant, Accurate, IMR, Hodgdon, Vihtavuori, Ramshot, Winchester..257 ROBERTS ACKLEY IMPROVED - Published Manufacturer Loading Data. Recipe Type: Rifle. Bullet Weight: ALL. 75 gr. 80 gr. 85 gr. 90 gr. 100 gr. 115 gr. 120 gr. Powder: …

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Sep 14, 2010 ... Target velocities for 100 gr bullets is in the 3150 fps range. 110, 115 gr bullets, right at or just below 3100 fps. Easily obtainable with ...Load Data for .257 Roberts . Bullet: 80 gr TTSX BT (Barnes) Diameter: 0.257" Powder: IMR 3031 (Improved Military Rifle) Starting Powder: 36.0 gr. Max Powder: 40.3 gr .

Stan's .257 Roberts is a Winchester Model 70 Featherweight. The .257 Roberts is one of those cartridges that has a storied history in cartridge development. Noted gun and cartridge experimenter – Dr. Franklin Mann – was indeed a very important part of the .25-caliber concept. Ned Roberts of New Hampshire was the other part, and in fact was ....257 Roberts Ackley Improved (Using Nosler Bullets) Warning! Notes: Case: Winchester; primer: Fed 210; barrel length/make: 24" Wiseman; twist: 1-10"; bullets: 85 GR Ballistic Tip Spitzer or CT Ballistic Silvertip Spitzer; 100 GR Nosler Ballistic Tip Spitzer, E-Tip Spitzer (due to internal construction differences, always begin with starting loads when using E-Tip products) or Partition Spitzer ...Load Data for .257 Roberts. Bullet: 117 gr SBT (Sierra) Diameter: 0.257" Powder: 2520 (Accurate) Starting Powder: 32.9 gr. Max Powder: 36.5 gr. Primer: FED 210. Case: REM. …Notes: velocities taken at five feet (Handloader Issue #11) Be Alert: Publisher cannot be responsible for errors in published load data. Wt. .257 Roberts Cast Bullet Data reloading data with 13 loads. Using bullets from Lyman No. 257464. Powders include Norma, IMR, Hodgdon.

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.257 Roberts (Hodgdon Data - Winchester Powder) reloading data with 14 loads. Using bullets from Hornady SP, Hornady HP, Barnes TTSX BT, Sierra HPBT, Speer SPBT, Nosler Part.

May 11, 2022 · The .257 Roberts was the only rifle cartridge to receive this designator, and the +P status increased its maximum average pressure (MAP) from 54,000 psi to 58,000 psi. For comparison, the .30-06 has a MAP of 60,000 psi. Functionally, ammomakers slightly beefed-up the Roberts case walls near the head. Tucson, Az. Tucson, Az. I went to Alliant's site and they don't mention RL-17 with the 257 Roberts. I have loaded it in a 6mm Rem, 284 and 7 Rem Mag. Charge weights are similar to using 4350. I'd try to call Alliant and ask them. For what it worth Alliant lists a 100 gr bullet in the 6mm Rem with a max load of 44 gr of RL-17.Load Data for .257 Roberts . Bullet: 115 gr PART (NOS) Diameter: 0.257" Powder: Hybrid 100V (Hodgdon) Starting Powder: 42.0 gr. Max Powder: 46.0 gr .It is considered to be about the maximum capacity for the .25 bore and still produce satisfactory performance and good barrel life. The Improved .257 can be readily recommended. (Handbook for Shooters & Reloaders/Vol. 1 - P.O. Ackley, 1962) NOTE: USE THIS DATA WITH EXTREME CAUTION. Be Alert: Publisher cannot be …Load Data for .257 Roberts . Bullet: 80 gr TTSX BT (Barnes) Diameter: 0.257" Powder: H380 (Hodgdon) Starting Powder: 41.0 gr. Max Powder: 45.0 gr ..257 Roberts (Hornady Handbook of Cartridge Reloading 7th & 8th Editions) reloading data with 0 loads. Using bullets from . Powders include ... 22 inch, 1 in 10 inch Twist; case: Hornady/Frontier; primer: Winchester WLR; bullet diameter: 0.257 inches; maximum C.O.L.: 2.780 inches; max. case length: 2.233 inches; case trim length: 2.223 inches ...

120gr. Spitzer. 2.750". 0.391. 0.260. This data was developed to the 257 Roberts +P pressure level of 58,000 psi, and should only be used in modern rearms and +P cases designed for these pressures. .257 Roberts (Alliant Power Pro Data) reloading data with 3 loads. Using bullets from Hornady V-Max, Hornady SP, Speer BTSP. Powders include Alliant ... .257 Roberts (Alliant Power Pro Data) Warning! Notes: primer: Fed 210; min. OAL: 2.780; case: Federal NOTE: All loads are maximum. Reduce by 10% to establish a starting charge weight.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.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 War II ...This data was developed to the 257 Roberts +P pressure level of 58,000 psi, and should only be used in modern rearms and +P cases designed for these pressures.Warning! Notes: velocities taken at five feet (Handloader Issue #11) Be Alert: Publisher cannot be responsible for errors in published load data. Wt. .257 Roberts Cast Bullet Data reloading data with 13 loads. Using bullets from Lyman No. 257464. Powders include Norma, IMR, Hodgdon.In no event shall Nosler, Inc. be liable for any damages resulting from the use of this data.” All cartridge measurements are SAAMI maximum and due to variations from manufacturers actual measurements may vary * = Most accurate load tested 8 2 % 0 .3 2 9 8 4 % Cartridge C SHO D : Gr. W T CASE TYPE: Fed 210 257 Ack Imp - 85 grain Version 9.0 ...

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. 120gr. Spitzer. 2.750". 0.391. 0.260. This data was developed to the 257 Roberts +P pressure level of 58,000 psi, and should only be used in modern rearms and +P cases designed for these pressures.

Sep 20, 2023 · The .257 Roberts started life as a wildcat, devised by gunwriter and tinkerer Ned Roberts in the 1920s who tried his hand at necking down a case to shoot a smaller bullet. The idea, as always, was to decrease recoil and gain ballistic advantage through sheer velocity. The parent case is 7x57mm Mauser. Loading Data . Warning; ... Reloading Costs Calculator; Case Crimp Calculator; Energy, Momentum, Power Factor, and Taylor Knock-out Calculators ... .257 Roberts ... .257 Roberts - Published Manufacturer Loading Data Shellholders: Hornady #1.257 Roberts reloading data with 8 loads. Using bullets from Sierra jacketed hollowpoint, Hornady jacketed hollowpoint, Speer jacketed hollowpoint, Nosler Solid Base, Nosler Partition, Sierra spitzer boat-tail, Hornady hollowpoint. Powders include IMR, Norma, Hodgdon, Winchester.257 Roberts in a 21-inch Barrel reloading data with 48 loads. Using bullets from Hornady V-Max, Nosler Ballistic Tip, Sierra spitzer, Remington Core-Lokt PSP, Barnes Triple-Shock, Sierra HPBT Match, Nosler AccuBond, Berger VLD, NEI 115.257-GC cast, Remington Core-Lokt PSP Ultra Bonded, Sierra softpoint boat-tail, RCBS 120-SP cast. Powders include ….257 Roberts (Barnes Reloading Manual #3) Warning! Notes: case: Remington; parent case: 7x57 Mauser; primer: Federal GM 210M; trim to: 2.223"; barrel: 24"; XLC Coated X-Bullet data cannot be used with other bullets, including non-coated X-Bullets; maximum loads should be used with caution - Always Start With Minimum Loads Be Alert: …6.5x257 Roberts: Warning! Notes: rifle: Japanese type 38 (rechambered); barrel: 24"; twist: 1-8 3/8; cases: R-P; primer: CCI-200 (except where otherwise specified in remarks); data for 87 grain Spitzer bullet may be used with the 87 grain Hollow Point; this data may be used to load 6.5x57mm Mauser; maximum loads listed should be used with caution (Speer Reloading Manual Number Nine).257" 25 Spitzer SP Hot-Cor® 25 HP 25 Spitzer BTSP Weight (grains) 100 ... Refer to the current SPEER® Reloading Manual for handloading instructions. Be ... 257 Roberts +P 3064 3113 3110 3094 3091 3055 3053 3050 3030 3023 2944 2871 2842 2807 MAXIMUM CHARGE Muzzle Velocity (feet/sec) 2878Remarks: 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 ...

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.257 Roberts (Hornady Handbook of Cartridge Reloading 7th & 8th Editions) reloading data with 0 loads. Using bullets from . Powders include ... 22 inch, 1 in 10 inch Twist; case: Hornady/Frontier; primer: Winchester WLR; bullet diameter: 0.257 inches; maximum C.O.L.: 2.780 inches; max. case length: 2.233 inches; case trim length: 2.223 inches ...

The .257 Roberts, also known as .257 Bob, [2] is a medium-powered .25 caliber rifle cartridge. It has been described as the best compromise between the low recoil and flat trajectory of smaller calibers such as the 5 mm (.22 in) and 6 mm (.24 in), and has more energy, but is harder recoiling, similar to larger hunting calibers, such as the 7 mm ...The content on this website (including videos, articles, ammunition reloading data, technical articles, gunsmithing and other information) is for demonstration purposes only. ... November 14, 2021 Tyler Hale Hunting, Reloading Blog 25 Creedmoor, 25-06, 257 Roberts, Athlon, Ballistics Gel, Berger Bullets, ... Wt. .257 Roberts reloading data with 8 loads. Using bullets from Sierra jacketed hollowpoint, Hornady jacketed hollowpoint, Speer jacketed hollowpoint, Nosler Solid Base, Nosler Partition, Sierra spitzer boat-tail, Hornady hollowpoint. Powders include IMR, Norma, Hodgdon, Winchester. 2,744. Remarks: 0.93 inch. .257 Roberts, 22-Inch Barrel reloading data with 14 loads. Using bullets from Hornady hollowpoint, Sierra hollowpoint, Hornady pointed softnose, Sierra pointed softnose, Nosler Partition, Nosler Ballistic Tip, Hornady spitzer boat-tail, Sierra spitzer boat-tail, Remington roundnose, Hornady roundnose, Speer spitzer ...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 ...Load Data for .257 Roberts . Bullet: 100 gr SPBT (Speer) Diameter: 0.257" Powder: IMR 4895 (Improved Military Rifle) Starting Powder: 39.0 gr. Max Powder: 41.0 gr .Load Data for .257 ROBERTS ACKLEY IMPROVED . Bullet: 75 gr HP (Sierra) Diameter: 0.257" Powder: 4350 (Accurate) Starting Powder: 49.5 gr. Max Powder: 55.0 gr .Warning! Notes: .257 Roberts, Ruger M-77 long action 24-inch barrel; Remington cases, 186 grains; CCI No. 200 primers; Oehler M-31 Chronotach, Oehler M-50 photoelectric screens; velocity at 15 feet converted to MV; temperature 70 degrees; this rifle had a rather loose chamber and would handle more powder than most rifles with every bullet ...257 Roberts Load Data. Using Hornady reloading data with the 257 Roberts bullets creates a great round that is popular with hunters who like its low recoil rates. The .257 Roberts dates way back to around the 1920's but many still use it to this day. Be Alert: Publisher cannot be responsible for errors in published load data. Wt. Bullet.

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] 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.Even if you have a checking account, debit card or credit card for your business, you may not feel comfortable shopping with it online. NetSpend offers a prepaid debit card that yo... 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 ... Instagram:https://instagram. texas roadhouse calorie menu Notes: gun: DOUGLAS; barrel length: 24 inches; primer: CCI 200; case: REM; maximum loads; reduce listed loads by 10 percent for a start charge. Be Alert: Publisher cannot be responsible for errors in published load data. Wt. .257 Roberts (Accurate Rifle Data) reloading data with 19 loads. Using bullets from Sierra HP, Sierra HPBT, Nosler BT ...257-Roberts+P-115gr-version-9-0. This data was developed to the 257 Roberts +P pressure level of 58,000 psi, and should only be used in modern rearms and +P cases … publix hwy 5 Load Data for .257 Roberts. Bullet: 115 gr PART (NOS) Diameter: 0.257" Powder: Hybrid 100V (Hodgdon) Starting Powder: 42.0 gr. Max Powder: 46.0 gr. Primer: REM 9½. Case: … medplex dental Oct 13, 2022 ... ... data, 2 or 3 online ballistic calculators for ballistic data. ... 257 Roberts ~ The Greatest All-Round American Rifle! ... Reloading 257 Weatherby ....257 Roberts (Accurate Rifle Data) reloading data with 19 loads. Using bullets from Sierra HP, Sierra HPBT, Nosler BT, Sierra SBT. Powders include Accurate ... .257 Roberts (Accurate Rifle Data) Warning! Notes: gun: DOUGLAS; barrel length: 24 inches; primer: CCI 200; case: ... georgia power prepaid number Remarks: COAL: 2.750 inches; maximum load. .257 Roberts (using Sierra bullets) reloading data with 391 loads. Using bullets from Sierra HP, Sierra SPT, Sierra SPT , Sierra HPBT, Sierra SPT, SBT or HPBT MatchKing, Sierra SPT or SBT, Sierra SPT or SBT , Sierra SPT or SBT . Powders include IMR, Hodgdon, Accurate, Vihtavuori, Ramshot, Alliant. .257 Roberts (Cast Bullet Loads) reloading data with 9 loads. Using bullets from Lyman 257463, Lyman 257464, Lyman 257235. Powders include Alliant, IMR brigham gateway Warning! Notes: .257 Roberts, Ruger M-77 long action 24-inch barrel; Remington cases, 186 grains; CCI No. 200 primers; Oehler M-31 Chronotach, Oehler M-50 photoelectric screens; velocity at 15 feet converted to MV; temperature 70 degrees; this rifle had a rather loose chamber and would handle more powder than most rifles with every bullet ... jonathan lemire twitter Jun 21, 2020 ... Best loads for 257 roberts with 117gr hornady sst h380 powder nosler +p brass and cci LR 200 primers. 10 years ago I made some loads that shot ... meteor shower virginia 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. 257 Roberts Load Data. Using Hornady reloading data with the 257 Roberts bullets creates a great round that is popular with hunters who like its low recoil rates. The .257 Roberts dates way back to around the 1920's but many still use it to this day. Be Alert: Publisher cannot be responsible for errors in published load data. Wt. Bullet. lolo wood instagram 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.257 Roberts +P 117 gr SST® Superformance® ; IT IS VERSATILE: This new breed of ammunition is available in 17 Hornet to 444 Marlin, and is safe for use in all ... fern creek kroger pharmacy The .257 Roberts started life as a wildcat, devised by gunwriter and tinkerer Ned Roberts in the 1920s who tried his hand at necking down a case to shoot a smaller bullet. The idea, as always, was to decrease recoil and gain ballistic advantage through sheer velocity. The parent case is 7x57mm Mauser.Be Alert: Publisher cannot be responsible for errors in published load data. Wt. .257 Roberts in a Rem 700 Classic reloading data with 31 loads. Using bullets from Speer spitzer, Hornady hollow-point, Sierra boat-tail hollow-point, Speer spitzer boat-tail, Hornady round-nose, Nosler partition spitzer. Powders include Winchester, IMR, Hodgdon ... lincare belmont nh 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] smite nintendo switch Gunpowder Charge Weight Velocity m/s Velocity fps; Norma MRP: Max 49.9 Min 47.0: 923 864: 3028 2835 257 Roberts Load Data. Using Hornady reloading data with the 257 Roberts bullets creates a great round that is popular with hunters who like its low recoil rates. The .257 Roberts dates way back to around the 1920's but many still use it to this day. Be Alert: Publisher cannot be responsible for errors in published load data. Wt. Bullet. 222 Remington Magnum. 22-250 Remington. 223 Remington. 243 Winchester. 25-06 Remington. 257 Roberts +P. 26 Nosler. 260 Remington. 264 Winchester Magnum.