257 roberts reloading data.

Popular names in the World War II era for boys were James, Robert, John, William and Richard; for girls, the top five names were Mary, Linda, Barbara, Patricia and Carol. Topping t....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 ...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. ….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, Accurate

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: …

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...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.

222 Remington Magnum. 22-250 Remington. 223 Remington. 243 Winchester. 25-06 Remington. 257 Roberts +P. 26 Nosler. 260 Remington. 264 Winchester Magnum.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 ...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 . 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 ... 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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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.

MRP stands for Magnum Rifle Powder. To answer your question about velocity, how about 3,607, 3,573 for a 5 shot average. The barrel is a Shilen ...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.Reloading . 257 Roberts +P Quickload Request ... .257 Roberts +P+ (not SAAMI) Bullet : .257, 115, Nosler BalTip 25115 Useable Case Capaci: 47.503 grain H2O = 3.084 cm³ Cartridge O.A.L. L6: 2.775 inch = 70.49 mm Barrel Length : 20.0 inch = 508.0 mm Powder : Alliant Reloder-22 Predicted data by increasing and decreasing the given …Jul 9, 2021 ... ... data, 2 or 3 online ballistic calculators for ballistic data. ... 257 Roberts: The Second Chance Cartridge. Ron ... 270 Weatherby: The Forgotten ... 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. 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 +P Alliant has no data for the .257 Roberts, but out of my Cooper Model 22, 48.0 grains of IMR-4350 launches a 90-grain Sierra boat-tail hollow-point (BTHP) at just about 3,200 fps. Reducing that charge weight to 44.0 grains with Reloder 17, the resulting velocity was 3,266 fps..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: ...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 ...The history of the .257 Roberts dates back to the 1920's, when a wildcatter by the name of Ned Roberts began to experiment with the .257” caliber. It has been suggested that Charles Newton persuaded Roberts to settle on the 7x57 case design and that close friend Col. Townsend Whelen suggested a 15 degree shoulder..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: ….257" 25 Spitzer BTSP Weight (grains) 120 Ballistic Coefficient 0.480 Sectional Density 0.260 COAL Tested 2.770" Speer Part No. 1410 Propellant Case Primer Weight (grains) …

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.

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..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 140 gr. SBT 160 gr. SMP 120 gr. HPBT MatchKing 140 gr. HPBT MatchKing 155 gr. HPBT MatchKing.277 Diameter Bullets 90 gr. HP 110 gr. SPT 130 gr. SBT 130 gr. SPT257 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 onlyDec 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 ...Sep 24, 2022 ... These recoil figures can be adjusted with heavier or lighter bullets, of course, but when using the most common factory loads, the .257 Roberts ...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 …

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If you’ve ever had a debit card marked “nonreloadable,” you may wonder what that means. It simply means once the balance has been depleted, you can’t put more money on it. However,...

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 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 …For those wondering why I would suggest using 6.5mm Swedish Mauser loading data to load a 6.5mm x 57 (or more precisely, a necked up .257 ...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 …Printed from Shooter's Reference on 04/20/2024: https://www.shootersreference.com/reloadingdata/257-roberts/.257 Roberts (Hodgdon CFE 223 Data) reloading data with 6 loads. Using bullets from Hornady SP, Hornady HP, Barnes TTSX BT. Powders include Hodgdon 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. .257 ROBERTS ACKLEY IMPROVED - Published Manufacturer Loading Data Recipe Type: Rifle . Bullet Weight: ... 0.257" Powder: 2700 (Accurate) Primer: FED 210 We place limited powder inventory for sale on a regular basis on our website. When we are sold out, we are sold out. We do not take backorders and our Tech Services team cannot take orders via email or phone. The max order quantity of any powder SKU is 5 and we will only accept one order, per customer, per calendar month with a maximum weight ...

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 ...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. 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 Instagram:https://instagram. leq structure 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. how to put enchantments on books Jun 27, 2019 · 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 ... resturants in boardman ohio 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 ....257 Roberts (Sierra Data - Edition V) Warning! Notes: firearm used: Winchester M70; bbl. length/twist: 22"/1x10"; cases; Winchester; trim-to-length: 2.223"; primers: Remington 9 1/2; loads less than minimum charges shown are not recommended; use maximum loads with caution: Be Alert: Publisher cannot be responsible for errors in published load ... shannon crawford twitter .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: ….257 Roberts (Sierra Data - Edition V) Warning! Notes: firearm used: Winchester M70; bbl. length/twist: 22"/1x10"; cases; Winchester; trim-to-length: 2.223"; primers: Remington 9 1/2; loads less than minimum charges shown are not recommended; use maximum loads with caution: Be Alert: Publisher cannot be responsible for errors in published load ... jj fish locations 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 … eugene oregon ups 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 … clima cleveland tx Jul 9, 2021 ... ... data, 2 or 3 online ballistic calculators for ballistic data. ... 257 Roberts: The Second Chance Cartridge. Ron ... 270 Weatherby: The Forgotten ...*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 ... bush hog gearbox oil 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. 8150 southwest freeway .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: … rex's liquidation Reloading . 257 Roberts +P Quickload Request ... .257 Roberts +P+ (not SAAMI) Bullet : .257, 115, Nosler BalTip 25115 Useable Case Capaci: 47.503 grain H2O = 3.084 cm³ Cartridge O.A.L. L6: 2.775 inch = 70.49 mm Barrel Length : 20.0 inch = 508.0 mm Powder : Alliant Reloder-22 Predicted data by increasing and decreasing the given …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 imessage images not downloading Loading information is similar but approach maximum loads with care.) A comparison of the loading data for both cartridges will show our very satisfactory ...These are the Green Dot reload locations to choose from -- more than 15 options, local to most. Plus, we explain exactly how to reload your card. Green Dot prepaid cards are reload....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 ...