257 roberts reloading data

.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 ...

.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 …Depriming and priming must be done by hand. If cases were formed from cases having boxer-type primers, use the appropriate Shell Holder for that caliber. (4) not available. (5) Auto 4X4 Shell Plate not available. (6) Auto 4X4 and Five-Station Shell Plates not available. Ammo Box size code: SR=Small Rifle, MR=Medium Rifle, LR=Large Rifle, MP ...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 ... .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. Re: Your most accurate .257 Roberts load with 100 gr. Partitions? I haven't tried the Partitions in my M70 Featherweight, but they shot exceptionally well in the Browning A-bolt I used to have. My current load is the 90 gr. Barnes X bullet/45.0 gr. IMR 4350/CCI 200/Remington brass. It shoots .5 MOA all day.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.

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) 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.Load Data for .257 Roberts . Bullet: 115 gr PART (NOS) Diameter: 0.257" Powder: StaBALL 6.5 (Winchester) Starting Powder: 38.5 gr. Max Powder: 43.0 gr .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 ...1. Never begin loading with the maximum powder charge shown in these reloading data tables, regardless of your experience. 2. Never exceed maximum loads because excessive chamber pressure will result. 3. Discontinue firing at the first sign of excessive pressure or upon noticing a change in the. report of the firearm. Printed from Shooter's Reference on 05/03/2024: https://www.shootersreference.com/reloadingdata/257-roberts/ Sep 25, 2022 ... Hopeful Ballistics•8.5K views ... Checking Accuracy on 7x57 and 257 Roberts ... HOW TO RELOAD: RCBS Reloading Series - Part 1 #6.5 Creedmoor #6.5 ...

257 Roberts +P and H4350. Am going to try H4350 in my 257 Roberts as the powder should work better in the conditions I hunt (Alberta, Canada, where the temp during hunting season can be 10 above or 30 below). I have been using 115 gr Nosler BT with IMR 4350 and am getting great groups (44 grains, which is over max. does not …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" 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) 2878The Hornady Handbook and Nosler Reloading Guide show maximum reloads for the .257 Improved (either version) achieving muzzle velocities (MV) of about 3600 fps with a 75 … Loading Data . Warning; ... Reloading Costs Calculator; Case Crimp Calculator; Energy, Momentum, Power Factor, and Taylor Knock-out Calculators ... .257 Roberts ...

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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 ... Dec 9, 2014 ... 2- Used H4895, which Hodgdon discusses on their site in the reloading data section. Essentially, you can take the max book charge on a given ...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 ...2,694. Remarks: .257 Roberts Ackley Improved (Using Nosler Bullets) reloading data with 135 loads. Using bullets from Nosler Ballistic Tip or CT Ballistic Silvertip , Nosler Ballistic Tip or CT Ballistic Silvertip, Nosler Ballistic Tip, E-Tip or Partition Spitzer, Nosler Accubond, Nosler Ballistic Tip, CT Ballistic Silvertip or Pa, Nosler ... 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 ...

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.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 ...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.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.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 ...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 ….257 Roberts (Lee Precision Data) reloading data with 218 loads. Using bullets from Jacketed, Barnes X Bullet, Lead. Powders include Hodgdon, Alliant, Accurate, IMRPrinted from Shooter's Reference on 05/03/2024: https://www.shootersreference.com/reloadingdata/257-roberts/*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 ...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.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.

PaulS Thanks for the info. I actually have two 257 Roberts rifles. One is a TC Encore and the other a Rem 700 Mountain Rifle. I am reloading the following bullets: 100 grain Speer Spitzers 100 grain Rem PSPCL 117 grain Sierra Spitzers (Pro Hunter) 120 grain Speer Spitzers 120 grain Rem PSPCL I am interested in load data using Varget powder.

.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 ...Load Data for .257 Roberts . Bullet: 80 gr TTSX BT (Barnes) Diameter: 0.257" Powder: IMR 4451 (Improved Military Rifle) Starting Powder: 43.2 gr. Max Powder: 48.6 gr ..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. 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. Load Data for .257 Roberts . Bullet: 90 gr GMX (HDY) Diameter: 0.257" Powder: H4350 (Hodgdon) Starting Powder: 38.0 gr. Max Powder: 42.0 gr . Primer: REM 9½ ...257 Roberts +P; 26 Nosler; 260 Remington; 264 Winchester Magnum; 27 Nosler ; 270 Weatherby Magnum; ... Safety Data Sheets; Load Data. Nosler Load Data; Reloading Glossary; Dealer Locator. Sign In / Register. Search. Search. Search. Advanced Search Sign …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.Phone Orders & Customer Service. 1-800-272-3000 | Mon - Fri | 8am to 5pm CST. Pickup Room Hours. Mon - Fri | 8am to 5:30pm CST. Click here for holiday closures. Midsouth Shooters Supply's selection of reloading supplies includes 257 Roberts brass. Build your next load using our 257 Roberts rifle reloading brass.

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.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 ...Plus, you can save favorites, add notes and more. 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. 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 ... .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. SPTThere is not a lot of reloading data available for Superformance powder. So far, Hodgdon only lists seven cartridges with data for a total of 24 bullet weights. As it turns out, I only had one rifle for which Hodgdon supplied data, a .243 Winchester. ... it might work in the .257 Roberts as well; they do use the same case, and Hornady is ...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 C3055Join 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.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. ….

There is not a lot of reloading data available for Superformance powder. So far, Hodgdon only lists seven cartridges with data for a total of 24 bullet weights. As it turns out, I only had one rifle for which Hodgdon supplied data, a .243 Winchester. ... it might work in the .257 Roberts as well; they do use the same case, and Hornady is ...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.Revised 12/2009 Indicates most accurate load. Bullet Weight:80 grCase Trim Length:2.223"S.D.0.173. Bullet Style:TTSX BTPrimer:Fed 210B.C.0.316. …Load Data for .257 Roberts. Bullet: 115 gr PART (NOS) Diameter: 0.257" Powder: StaBALL 6.5 (Winchester) Starting Powder: 38.5 gr. Max Powder: 43.0 gr. Primer: REM 9½. Case: REM. Trim Length: 2.223" Cartridge Overall Length: 2.890" Starting Velocity: 2,595. Starting Pressure: 38,800. Max Velocity: 2,831. Max Pressure: 46,000 CUP.Jan 29, 2013 ... New brass manufacturered today is designed for modern bolt rifles and load data. IMR 4064 is good powder to start with for reloading. This is ...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 ...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. The 257 Improved is a fi ne performer, adding up to 100 fps velocity over its factory cousin. One of its advantages, Ackley noted, is the fact that 257 Roberts factory ammunition can be used in an improved rifl e if necessary. Other 25 caliber wildcats are not this fl exible. The 257 Improved is all that the 257 Roberts is—and a bit more. 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, ... 257 roberts reloading data, [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1]