257 roberts reloading data.
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.
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: …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. COAL:2.830"Barrel Length:24". Case:W-WTwist Rate:1:10". Charge Velocity Charge Velocity Load Powder (grains) (fps) (grains) (fps) Density (%) H380 43.0 3108 47.0 3415 89 H414 43.5 3109 47.5 3399 87 RL ...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 (Alliant Data) reloading data with 4 loads. Using bullets from Sierra HP, Speer Spitzer, Sierra HPBT. Powders include Alliant ... Be Alert: Publisher cannot be responsible for errors in published load data. Wt. Bullet: Powder Manufacturer: Powder: Charge: Velocity (FPS) 75: Sierra HP: Alliant: RL-15: Subscribe: 3510: Remarks ... 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 with 94 loads for .257 | 100gr | Sierra SPT Pro-Hunter bullet in caliber .257 Roberts
Set up this way and using hand loads, the Roberts was able to fire a 100 grain bullet at 3000fps and a 117 grain Spitzer at 2800fps. Nevertheless, for the ...
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....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 LoadsReloading Costs Calculator; Case Crimp Calculator; Energy, Momentum, Power Factor, and Taylor Knock-out Calculators ... About / Support; Disclaimer; Contact; Log in / Sign up. Manufacturer Loading Data Popular Cartridges.17 Ackley Hornet.17 Hornet.17 Remington.204 Ruger.22 - 250 Remington.22 ARC (Advanced Rifle Cartridge) ... .257 …Barrel Length: 24 inches; Twist: 1-10 inches; Case: Remington; Primer: Winchester Magnum (WLRM). Be Alert: Publisher cannot be responsible for errors in published load data. Wt. .257 Roberts (Norma data) reloading data with 20 loads. Using bullets from Hornady SP, Nosler Partition, Nosler BST, Hornady RN. Powders include Norma.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.
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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 ...
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) 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.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 responsible for errors in ... The .257 Roberts certainly has a great deal of history behind it, yet is a story filled with contradictions whether discussing history or usage. One account suggests that had Ned Roberts been able to take advantage of slow burning powders, he most likely would have adopted the .30-06 case to maximize velocity, wounding and fast killing. Mar 23, 2012 ... 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 ... 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. Nosler Load Data; Reloading Glossary; Dealer Locator. Sign In / Register. Search. Search. Search. Advanced Search. Sign In; Create an Account; My Cart 0. Home; Load Data ... 257 Roberts Ackley Improved. 25-06 Remington. 257 Weatherby Magnum. 25 Winchester Super Short Magnum (WSSM) 6.5mm Caliber / .264” Diameter. 6.5 …
According to Philip B. Sharpe’s classic book Complete Guide to Handloading (Third Edition, Second Revision), listed the specs for the .257 Roberts were an 87-grain bullet at 3100 fps, a 100-grain bullet at 2800 fps and a 117-grain bullet at 2550 fps. The round nosed 117-grain bullet was a good choice for deer and similar-sized game, but …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 …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 ….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 ... 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. 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 ...
I did some estimates of recoil with the heavy hunting loads I have featured. Assuming a field ready weight (rifle, scope, sling and cartridge load) of 8.5 ...
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 ... New reloading data must be opened as a PDF document in an up-to-date compatible PDF viewer. For assistance, contact [email protected] or by phone at 800-574-9200. Rifle ... 257 ROBERTS 257 ACKLEY IMPROVED 257 WEATHERBY MAGNUM.264. 6.5 PRC (NEW) 6.5 GRENDEL (NEW) 6.5X55 SWEDISH MAUSER 264 WINCHESTER MAGNUM 6.5 ….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 ... .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 Dec 7, 2007. 465. 330. I have a Remington 722 in .257 Roberts that is grouping (3) 100 gr Nosler Ballistic Tips w/IMR-4350 under .5" @ 100 yards. I tried the same powder with Hornady 117 SST and groups open up to almost 2.0". Is anyone willing to share their load data for .257 Roberts w/115-120gr?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.
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 ...
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The slower powders work better with heavy bullets for me in the 257 Roberts.. 48gr of RL26 with WLRM primers and win cases gets about 3120fps for 5 shots using 115gr Nosler partitions. RL23 with 48.2gr with 110gr Accubonds CCI250 mag primers win cases 3157 fps. All in a model 70 Winchester.I did some estimates of recoil with the heavy hunting loads I have featured. Assuming a field ready weight (rifle, scope, sling and cartridge load) of 8.5 ...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..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 …Remember, any loading data is a guide, not an absolute. You may find your individual rifle may shoot the same loads as those published faster or ...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.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.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.Jan 1, 2023 ... It's time for me to fix a common flaw in my shooting technique and learn how to drive this rifle! GunBlue490, Sight-In Tips: ...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 Improved Data reloading data with 40 loads. Using bullets from Hornady, Sierra HP, Rem. Power Lokt, Sierra, Hornady Spire Point, Hornady Round Nose, Barnes./r/Reloading is a place for civilized discussions on the topic of Metallic and Shotshell reloading ... 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 1moa out of my M77 I lost the load data and am trying to make some loads like that again i have the ...
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 Handloads +P Pressure reloading data with 31 loads. Using bullets from Hornady Spire Point, Barnes TSX FB, Hornady SST, Sierra softpoint, Speer softpoint. Powders include IMR, Winchester, Hodgdon, Vihtavuori, Alliant, Ramshot, Norma, AccurateThe .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 ....257 Roberts +P Handload Data (50,000 CUP) reloading data with 19 loads. Using bullets from Hornady V-Max, Speer flat softpoint, Hornady Spire Point, Nosler Ballistic Tip, Nosler Partition, Speer spitzer boat-tail. Powders include Hodgdon, Accurate, Alliant, VihtavuoriInstagram:https://instagram. make a warrior catpay duke energy bill onlinequality food center seattle wawhen does boston college release decisions Notes: Loads fired from a 24-inch barreled Montana Rifle Company Woodland .257 Ackley Improved with a Leupold 3.5-10x, set on 10x. All loads shot with Winchester Large Rifle primers. All cases were fireformed from .257 Roberts brass, and all groups were fired at 100 yards, except where noted. (Handloader Issue #266 - June, 2010) mikes tire centertractor supply mill hall 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..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 ideas for houses sims freeplay .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 ... .257 Roberts (Barnes Reloading Manual #4) Warning! Notes: case: R-P (except where otherwise ….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: ...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 ...