257 roberts reloading data.

.257 Roberts Reloading Data (Using Hornady Bullets) reloading data with 307 loads. Using bullets from Hornady FP, Hornady V-Max or HP, Hornady SP, Hornady GMX, Hornady IB, Hornady SST, BTSP or RN, Hornady HP. Powders include Accurate, Hodgdon, Alliant, IMR, Vihtavuori, Winchester.Dec 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 ...Find the optimal bullet, gunpowder and charge weight for reloading 257 Roberts ammunition from Norma. Compare the velocities and MRPs of different bullets and …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..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 ...

.257 Roberts (Hodgdon CFE 223 Data) reloading data with 6 loads. Using bullets from Hornady SP, Hornady HP, Barnes TTSX BT. ... .257 Roberts (Hodgdon CFE 223 Data) Warning! Notes: case: Remington; barrel length: 24"; twist: 1:10"; trim length: 2.223"; primer: Remington 9 1/2; bullet diam.: .257"; NEVER EXCEED MAXIMUM LOADS Be Alert: …

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 market for personal data is quietly infiltrating and affecting every aspect of our lives. When Judge Robert Bork was nominated for the Supreme Court in 1987, a reporter for the...Oct 11, 2022 ... Comments130 ; Top 5 Weatherby Cartridges. Reloading Weatherby · 25K views ; 6.5 CREEDMOOR LOAD DEVELOPMENT SERIES PART 2 (NEW BRASS LENGTH / ...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.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.

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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. SPTRemarks: maximum load; 57,100 psi; col (inch): 2.775. .257 Roberts +P (Ramshot Data Edition 4.5 - 2011) reloading data with 10 loads. Using bullets from Sierra Hollow Point, Nosler Ballistic Tip, Sierra SPBT. Powders include Ramshot.The 6.5/257Roberts is the ballistic twin to the 6.5X57. Much the same way the 30/338 is to the 308 norma. Interstingly, I have a barrel from a Winchester featherwieght, that was rechambered to the Ackley version. I often thought of possibly of boring and rifling it to a 6.5mm,hence a 6.5X257 Roberts Ackley Improved.257 ROBERTS · 25-06 REMINGTON · 257 WEATHERBY MAGNUM · 6,5 JAPANESE ARISAKA · 6,5 CARCANO · 6,5x54 M-S · 260 REMINGTON · 6,5x55 SWE...Home / Article/LoadDevelopment. Load the .257 Roberts. Author: Stan Trzoniec / Wolfe Publishing Co. Date: May 13 2019. Examples of .25-caliber cartridges include (left to …

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..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 (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 ...Characteristics of .257 | 110gr | Hornady ELD-X bullet and comprehensive load data for this projectile. .257 | 110gr | Hornady ELD-X | Reloading Data To be able to use the full range of Shopware 6, we recommend activating Javascript in your browser. 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

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 ...

.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 Handloads reloading data with 18 loads. Using bullets from Hornady FP, Speer FP, Hornady V-Max, Nosler Ballistic Tip, Partition, Hornady, Hornady boat-tail. 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 ... Notes: Test rifles: prewar Model 70 (24-inch barrel) and 1981 Model 70 Featherweight (22-inch barrel). (Handloader Issue 94) Be Alert: Publisher cannot be responsible for errors in published load data. Wt. .257 Roberts (Pet Loads Update) reloading data with 67 loads. Using bullets from Sierra HP, Hornady HP, Speer Sp, Sierra Sp, Hornady SP ...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.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 …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 ...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; 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 …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 .

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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.

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. Master Loader. Apr 6, 2006. 17,500. 4,699. Walt Berger used those bullets, in a .257 Roberts to take a HUGE red stag in New Zealand. I've used them on three mule deer, from my .25-06, with good results - but my load data won't help you at all..257 Roberts (Winchester Rifle Data) reloading data with 5 loads. Using bullets from Hornady SP, Hornady Hollow Point, Sierra Hollow Point Boat Tail, Speer Soft Point Boat Tail, Nosler Part. Powders include WinchesterPhone 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 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. 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: max load; COL: 2.775"; 45,000 cup. .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.Warning! Notes: case: Remington; bbl: 24"; pr: Remington 9 1/2; NEVER exceed loads listed. Be Alert: Publisher cannot be responsible for errors in published load data. Wt. .257 Roberts (IMR Data) reloading data with 11 loads. Using bullets from Sierra SP, Sierra Hollow Point Boat Tail. Powders include IMR.

Remarks: maximum load; 57,100 psi; col (inch): 2.775. .257 Roberts +P (Ramshot Data Edition 4.5 - 2011) reloading data with 10 loads. Using bullets from Sierra Hollow Point, Nosler Ballistic Tip, Sierra SPBT. Powders include Ramshot.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?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 ...Instagram:https://instagram. food lion thornburg va 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 ... Overview. Nosler 257 Roberts +P Rifle Reloading Brass - 50 Count. Nosler Premium Brass is designed for those who want to take finding the perfect load into their own hands. Fully prepped and ready to load, Nosler's gone ahead and done the meticulous case prep work for you. Each piece is chamfered, deburred, checked for proper alignment, sized ... samsclubsyf.com 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 ...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 ... standard poodle texas 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 … lowes pit boss pellet grill 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.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 Remington and pump it up to 3,300 fps, with the same 200-yard zero drop at 300 yards is 5.8 inches, a 1.25-inch difference. computer engineering usf flowchart 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. grand parkway route .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. standard poodle texas 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 ...Loading information is similar but approach maximum loads with care.) A comparison of the loading data for both cartridges will show our very satisfactory ... build.io Barrel twenty-four inches long with ten-inch twist. (Handloader Issue 89) Be Alert: Publisher cannot be responsible for errors in published load data. Wt. .257 Roberts (Ruger Model 77) reloading data with 21 loads. Using bullets from Sierra, … weather for belington wv Today we're choosing a load and we're going to select our bullet, powder, brass, and primer. And we're not just choosing a load for accuracy but a lot that w... dayz flags .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 ... 3rd party mvd .257 Roberts (Cast Bullet Loads) reloading data with 9 loads. Using bullets from Lyman 257463, Lyman 257464, Lyman 257235. Powders include Alliant, IMRWt. .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.