257 roberts reloading data.

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.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. 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 the deciding factor of a host cartridge later to bear his name. Apr 30, 2012. #7. Quite surprised at the velocity you are getting. You are making a 257 Roberts into a 25-06. I own two, 257 roberts rifles. One is a 50's Mauser with 22" raised-solid barrel and super fancy. It shoots 100 grain Speer bullets @ 3030 fps with 41.5 gr. 4064. Used it for decades and it has worked well.

257 Rob +P - 100 grain Version 9.0 4" Lilja BARREL Twist 1-10" Expansion Tip® 0 .4 0 9 D u e to in te rn al co n stru ctio n d i˜ e re n ce s, alw ays b e g in w ith startin g lo ad s w h e n u sin g Exp an sio n Tip ® products. 81% 96% 72% 92% 81% 7% This data was developed to the 257 Roberts +P pressure level of 58,000 psi, and should only

.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.

Printed from Shooter's Reference on 04/20/2024: https://www.shootersreference.com/reloadingdata/257-roberts/.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 is built on the 7x57 case. All different. The loading information on the 117gr and 120gr is used interchangeably on the 25-06, so probably so on the 25 Souper also. ... In Speer wildcat manual # 4 published 1959 they list loading data for the 257 Improved,25 Neidner (25-06) and 25 Souper. ... You have to remember that P.O. ….257 Roberts in a Kimber 84M reloading data with 18 loads. Using bullets from Sierra HPBT, Barnes TSX boat-tail, Speer boat-tail softpoint, Nosler AccuBond, Hornady Spire Point, Sierra spitzer. ... Data was safe in test rifles and is intended for use only by competent persons experienced in proper and safe handloading techniques. …

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The .257 Roberts. The fine .257 Roberts is based on a necked-down 7mm Mauser case, and was legitimized by Remington in 1934. From then until the introduction of the hot .243 Winchester and .244/6mm Remington in 1955, the .257 was the top selling combination varmint/deer cartridge. The .257 is offered in a number of factory loads with 117-120 ...

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 ….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: …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. .257 Roberts reloading data with 91 loads. Using bullets from Hornady HP, Barnes TTSX BT, Hornady GMX, Sierra HPBT, Speer SPBT, Nosler Part. Powders include IMR 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.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 +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 ...Printed from Shooter's Reference on 04/20/2024: https://www.shootersreference.com/reloadingdata/257-roberts/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: REM 9½. Case: REM. Trim Length: 2.223" Cartridge Overall Length: 2.775" Starting Velocity: Starting Pressure: Max Velocity: 2,780. Max Pressure: 45,000 CUP.Oct 31, 2021 ... The other factory loads with 115gr and 117gr bullets, listed as +P, are in the 2950 fps neighborhood. I don't know enough about this cartridge ... 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 ... Discounted fares to San Juan are available for much of this year on American Airlines for under $300 round trip. Puerto Rico is home to many historical landmarks from forts to cath...

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 ...

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.New reloading data must be opened as a PDF document in an up-to-date compatible PDF viewer. ... 257 ROBERTS 257 ACKLEY IMPROVED 257 WEATHERBY MAGNUM.264. 6.5 PRC (NEW)For a performance comparison, let’s put current .257 Roberts +P handloads next to its more modern challenger, the .25-06 Remington (1969). Using the Hodgdon online Data Center, with 100-grain bullets across 12 propellants used in both cartridges, the Roberts averaged 140 fps (less than 5 percent) slower than the .25-06.4162 posts · Joined 2008. #9 · Apr 29, 2018. I used to have a Parker Hale 1200 rifle that I had re-barreled, with a 22" light weight barrel, to the 6.5 X 257 Roberts. It's been several years since I traded it for another rifle, but I think I …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.Load data with 94 loads for .257 | 100gr | Sierra SPT Pro-Hunter bullet in caliber .257 Robertskleanbore 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.

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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 . Remarks: mid range load; COL: 2.705"; 27,800 psi. .257 Roberts Youth / Reduced Loads (Accurate Data) reloading data with 4 loads. Using bullets from Lead GC, RCBS Lead GC. Powders include Accurate. 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] 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 ... 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 ...257 Rob +P - 115 grain Version 9.0 24" ilj BARREL Twist 1-10" GRS. POWDER CHG. 257 Rob +P - 115 grain 25 Cal. (.257") 66% 80% 6% 0.389 81% 74% 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: .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 +P (Speer Reloading Manual #14) reloading data with 116 loads. Using bullets from Speer FNSP, Speer Spitz SP or TNT HP, Speer Spitz SP, HP or Spitz …Vihtavuori offers reloading data for nearly a hundred different handgun and rifle calibers and for shotgun loads, with numerous bullet options for all kinds of shooting disciplines and needs. Please note that the data we offer on our website, in our newest Reloading Guide and in the Vihtavuori Reload App is all the official and safe load data ....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, … .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

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.Joined: Sep 2007. Posts: 11. I'm planning to start reloading a Ruger M77 in 257 Roberts with H4350 powder and Speer 120 bullets which I currently have on hand. I will be using Winchester +P brass. The Speer manual does not have a load listed using H4350. I have seen suggested maximum loads in articles ranging from 42 grains to 47 grains …Instagram:https://instagram. hobby shop fayetteville nc 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 .Discounted fares to San Juan are available for much of this year on American Airlines for under $300 round trip. Puerto Rico is home to many historical landmarks from forts to cath... petmedic watertown 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.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 ... pete's fine meats and deli Printed from Shooter's Reference on 04/20/2024: https://www.shootersreference.com/reloadingdata/257-roberts/ steam workshop project zomboid 222 Remington Magnum. 22-250 Remington. 223 Remington. 243 Winchester. 25-06 Remington. 257 Roberts +P. 26 Nosler. 260 Remington. 264 Winchester Magnum. tymetrius walter .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 metra train upn 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 ....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 sharonville liquor and wine 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 .Caliber- .257". OAL- 2.770". Starting load/ Velocity/Pressure- 44.0/2919/33,600 CUP. Max Load/ Velocity/ Pressure- 45.0/3098/44,500 CUP. I know precision will dictate the final load, but I would like a good modern maximum. I want to load for the strongest load that holds a decent group. molina otc order online 2023 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 . progressive barbie commercial The .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 ... destiny 2 last wish wishes Dec 9, 2015 ... ... 52:10. Go to channel .257 Roberts. Johnny's Reloading Bench•54K views · 32:53. Go to channel · Day 8. Johnny's Reloading Bench•14K views. hibachi rocky mount va 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..257 Roberts (Cast Bullet Loads) reloading data with 9 loads. Using bullets from Lyman 257463, Lyman 257464, Lyman 257235. ... .257 Roberts (Cast Bullet Loads) 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) …