257 wby load data

Ultra-high velocity, magnum ammunition is how Roy Weatherby got started in the 1940s. As a young wildcatter, he revolutionized the industry with his fast, hard-hitting loads that were dead-on accurate. Today, those same performance qualities are every bit a part of Weatherby cartridges. Weatherby's move to Wyoming is an exciting step towards the …

Feb 18, 2018 · Location. Texas. One of the most accurate loads I’ve ever loaded for the .257 was 115 Grain Nosler Ballistic Tip with 66.0 gr H4831. For the life of me I can’t remember where I got that load data from. Maybe an old Lee Reloading manual or something like that. Anyone have this info. I’m looking for estimated Vel in a 26 inch bbl.Greg, I also load for a Vanguard in 257 wby. Agree with the others, you will only loose 20-30 fps per inch on barrel length. Frankly, at 257 wby speeds you will never notice the difference between a 24 inch and 26 inch barrel. Sure the 26 inch barrel will be faster, but only by a whopping 40-60 fps.257 Roberts +P; 26 Nosler; 260 Remington; 264 Winchester Magnum; 27 Nosler ... 300 AAC Blackout; 300 H&H Magnum; 300 Remington SA Ultra Magnum; 300 Remington Ultra Magnum; 300 Weatherby Magnum; 300 Winchester Magnum; 300 Winchester Short Magnum; 30-06 Springfield; 30-30 ... Nosler Load Data; Reloading Glossary; Dealer …The barnes 100 grain TTSX with RL 22 is an incredible load in my 257 Weatherby Vanguard. Consistent 1/2" grouos at 100 yds and 1.75" at 300. Put down 3 whitetails last season with shots ranging from 150 yards to 260 yards and they all went down hard. Hit a coyote at 200 yards and lets just say it was ugly. May 10, 2013.2,612. Location. Wyoming. May 13, 2010. #2. The 7mm rem mag, 264 win mag and several others are all about the same and can be used for the 257, 270 and 7mm wby's. They are all just a little short though but after a couple firings they are the same length. The 257 wby stretches brass fairly quickly. S.Wby brass. 215 m cap velocity is listed and accuracy .65" /100 yd . gltaylor Moderator. Staff member. May 31, 2023 #7 Thank you sir! F. Fotis New member. May 31, 2023 ... Please DO NOT post load data here and clutter up this thread. Post new load data on the Post Your Hammer Load thread. ABSOLUTE HAMMER BULLETSMy .257 wby has about 183 +/- (exact numbers are in my book)... No loose primers, only thing I have had to do is push the shoulder back a bit.. Shoots 115 VLD's well, but I need to tweak more! ... Load data was generated using Quick Load a 26 inch barrel a COAL of 3.170 inches and your COAL and velocity could be a little different.

257 weatherby load data. Thread starter golfer; Start date Mar 19, 2012; Mar 19, 2012 #1 G. golfer Well-known member. Joined Jul 20, 2010 Messages 1,758. Just wondering if anyone out there would be willing to share some load data for a the 257 weatherby if possilbe? Mar 19, 2012 #2 S. skeet20 Active member. JoinedThe barnes 100 grain TTSX with RL 22 is an incredible load in my 257 Weatherby Vanguard. Consistent 1/2" grouos at 100 yds and 1.75" at 300. Put down 3 whitetails last season with shots ranging from 150 yards to 260 yards and they all went down hard. Hit a coyote at 200 yards and lets just say it was ugly. May 10, 2013.It may be nearly impossible to work online when Web pages do not load properly. Websites with blurry text and distorted or missing images indicate a problem within the browser itse....257" 25 Spitzer SP Hot-Cor® 25 TNT® HP Weight (grains) 87 Ballistic Coefficient 0.300 0.337 Sectional Density 0.188 COAL Tested 3.150" 3.170" Speer Part No. 1241 1246 Propellant Case Primer Weight (grains) Muzzle Velocity (feet/sec) Weight (grains) Ramshot Magnum Federal CCI 250 74.0 3570 78.0 Hodgdon Retumbo Federal CCI 250 74.0 3462 78.0 CPrinted from Shooter's Reference on 05/03/2024: https://www.shootersreference.com/reloadingdata/257-weatherby-magnum/

257 Weatherby Magnum 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 performance ...In fact, the loads (available in .240 Wby. Mag., .257 Wby. Mag., 270 Wby. Mag. and .300 Wby. Mag.) retail for $43 per 20 rounds, though I've seen them on midwayusa.com for $38. That is about ....375 Weatherby Magnum - Published Manufacturer Loading Data Shellholders: Lee #5I know the 257 mag like back of hand and have ran 75 grain pills to 117 in them with many different powders, so im guessing the above was a miss type or not a 257 WYB MAG. drhenley. Administrator. 264 RLB™ #7. Posts: 7,189. Location: Columbus GA USA. 110 gr .257 ELD-X for 257 Wby and 25-06. Feb 15, 2020 at 7:59am.257 Wby Magnum 110 gr ELD-X ® Precision Hunter ®. Accuracy and terminal performance are the cornerstones of Hornady ® Precision Hunter ® factory loaded ammunition. Great care has been given by Hornady engineers to develop superior, match­-accurate hunting loads that allow the ELD­-X ® bullet to achieve its maximum ballistic potential..257 ROBERTS ACKLEY IMPROVED - Published Manufacturer Loading Data Recipe Type: Rifle

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Dec 9, 2012. #12. another vote for 7828 in 270 WBY... it was most accurate with 130 SST and 130 IB in my gun w/velocity at 3475 @ 15 ft chrono; actually it was even more accurate when I went faster but the load was too hot for all around use when the temps increase in summer so I settled on 75.5 gr and the Fed 215M.I just purchased a new Weatherby Mark V Fibermark chambered in .257 WBY MAG. I will be shooting the 110 grain AccuBond, and am looking for any specific load data you might have for this combo.I would like to use the following powders but would be open to others: RL 19, RL 22, IMR 4350, H 4350 or IMR 4831. Thanks for your help!History. The .257 Weatherby was one of Roy Weatherby's earliest creations and quickly became his favorite. Introduced in 1948 the .257 is based on the .300 Holland and Holland case, shortened to 2.545" and necked down to .25 caliber. As far as Weatherby's philosophy of fast killing through high velocity went, the .257 achieved this goal in ...Shooters World is in the process of developing reloading data to the SAAMI/ANSI standards. This data will be published to the Shooters World website, as it is generated and proofed in SAAMI test barrels, and compared against SAAMI reference ammunition. In the mean time, Shooters World provides reloaders a link to the Lovex Reloading Guide.The new Sierra Manual listed Re#26 for 257 WBY Mag . I burn 74grs behind a 90gr Sierra ,getting nearly 3,900 FPS under 3/4 MOA out of 26"Bartlein 10"twist . ... search for the info needed and print load data. 3-hole punch printed into and make your own cartridge specific reloading book . ... Help with Favorite 257 Weatherby load. …

19. Aug 18, 2011. #1. I am going to be working up a load for my girlfriend's vanguard in 257 wby mag. I am thinking of going with the 110 accubonds for 2 reasons: 1. the freebore on these rifles is something like .400" so I just dont want to have to deal with trying to get the vld style bullets to group and 2.7mm Weatherby Magnum Load Data. 120 Grain. 140 Grain. 150 Grain. 160 Grain. 168 Grain. 175 Grain. 185 Grain. Explore the world of Nosler, renowned for crafting the finest bullets, ammunition, rifles, and brass.JMW67 said: which one 6.5-257, 6.5-300, 6.5rpm first is a wildcat of course but not uncommon I am guessing 6.5-300. Look on utube, there are several articles written about the 6.5 weatherby and it also gives load data. There were several loads for the 127lrx. Very good article, as I recall it had a picture of some 6.5 weatherby ammo.The .257 Weatherby Magnum dates back to 1943 when Roy Weatherby began experimenting with the .300 H&H Magnum case for a series of wildcat/proprietary cartridges. By blowing it out with minimal body taper, adding a unique double-radius shoulder, shortening the case to 2.549 inches and necking it to accept .257 inch bullets, …I have reloading data on 257 Arnold magnum, you can email me at [email protected] to get the data. Nick . Aug 7, 2012 #5 DrMike Ballistician. Nov 8, 2006 36,965 5,190. ... You can start with 257 WBY loads and work up. Aug 7, 2012 #8 S. SJB358 Ballistician. Dec 24, 2006 32,104 2,444.The loads for the .257 Weatherby loads worked out well with Hornady 100g JSPs over IMR7828 and Federal 215 primer. Load one - 73.0g - 3486 fps. Load two - 73.5g - 3555 fps. Probably have a half to full grain to go with this powder IN THIS GUN. Never had a hard extraction or flattened primer.Home Forums Reloading Big Game Rifles Load data for 257 Wby. 110 gr GMX, H1000 powder? Forums Member List Calendar Active Threads: Previous Thread: Next Thread : Print Thread: Hop To : Re: Load data for 257 Wby. 110 gr GMX, H1000 powder? shouldershot #6606918 06/19/12. Joined: Oct 2004. Posts: 4,340. K. kraky111. Campfire Tracker.TOO HOT! .257 Wby with RL22. If there is a standard load for the 257 Weatherby, it would be 72.0g of R#22, 100g bullet, fed 215 primer. I would think that you have a very hot lot of R#22, there was a hot lot out from a few years back.Recoil of a rifle in .257 Weatherby Magnum is about the same as that of a rifle of the same weight in .270 Winchester. More specifically, when a 100-grain bullet exits the barrel of a nine-pound rifle in .257 Weatherby at 3500 fps, one's shoulder is caressed with 13.5 ft-lbs of recoil. When a 130-grain bullet exits the barrel of a nine-pound ...New Norma brass, Federal 215M (match magnum) primer, and Hodgdon Extreme smokeless powder, and 100 grain Swift Scirocco II bullet. This is match grade hunting ammunition with the powder weighed out to .02 grains consistency. I will use proven loads that have proven top accuracy in several rifles. Priced per 50 rounds. Priced per 50 rounds.Stuck in a smoothie rut of banana, spinach, and almond milk? Expand your culinary horizons with these creative veggie smoothies. They’re packed with vegetables like sweet potato an...

New Norma brass, Federal 215M (match magnum) primer, and Hodgdon Extreme smokeless powder, and 100 grain Swift Scirocco II bullet. This is match grade hunting ammunition with the powder weighed out to .02 grains consistency. I will use proven loads that have proven top accuracy in several rifles. Priced per 50 rounds. Priced per 50 rounds.

I have had great luck with Magnum myself, but generally RL-22, H1000, IMR7828, VV N560 and a bunch of others work well too. What I am beginning to suspect (sometimes it takes a long time to work up a good suspicion) is that the .257 Weatherby is one of those "inherently accurate&a...Jan 4, 2020. #1. Going to start developing a load for my new 257 wby. It's a vanguard accuguard with a 1-10 barrel. I'm wanting to shoot a 110+ gr bullet. Whitetails, muleys, antelope and will be taken as a backup elk rifle. Wanting something that will accomplish any of the above. 5-600 yard max. 110 nosler accubond. 115 or 120 nosler partition.Jan 12, 2020 ... reloading the 257 weatherby. reloader 25 h 1000 imr 7828ssc.Home Forums Reloading Big Game Rifles retumbo 257 weatherby mag 110 accubond load data: Forums Member List Calendar Active Threads: Previous Thread: Next Thread : Print Thread: Hop To : retumbo 257 weatherby mag 110 accubond load data #4313698 08/09/10. Joined: Feb 2005. Posts: 2,511. Tennessee. D. DEER_ASSASSIN OP.In today’s digital age, where our lives revolve around technology, having a clean and efficient computer cache is essential for optimal performance. The computer cache stores tempo...Join Date: June 11, 2007. Posts: 2,156. Barnes manual loading data for their 115gr TSX in a 257 Wby start load is 66gr/H-1000 @3073fps and max load of 72gr/H-1000 @ 3287fps. If you look at Hodgdon data they list the Barnes 115gr XFB start load of 67gr/H-1000 and max of 71gr/H-1000 both list the Fed 215 primer.Member. Sep 21, 2023. #17. I am running the 257 weatherby also and asked about the higher weights. Got the same reply about not enough twist and not recommended. Today I finally closed out my Barnes 115 TSX load. .7" at 100 yards was the best I can get. I have the 1-10 twist also.Reloading data for 257 Weatherby Magnum. Bullet. Hornady SP 87 gr. Bullet weight. 5.6 g / 87 gr. B.C. 0.322. C.O.L. 80.0 mm / 3.150.

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My 257 Wby is on its third barrel, I have killed numerous deer and varmints, Mostly with 100 grain bullets - Ballistic Tips, Barnes, Sierras, Hornadys. Recently I have used the 115 Berger and Ballistic Tips. For the ranges out to 500 yards, I would lean towards the 115 grain bullets. There have been a lot of guys that swear by the 87 grain bullets!Yes these will be used in a 257 wby with a 26" tube. Currently running the 117gr sst to fill crop damage permits and not sure I'm pleased with the on game performance. I played with the 100gr ttsx a little and had decent accuracy but never really finished development with them. These lrx might be a real sweet spot for what I'm doing.Current loads include options like the 80-grain Barnes TTSX screaming along at nearly 3,900 fps, ... The .257 WBY has a 200- to 300-fps advantage over its contemporary rival the .25-06. At 400 yards, the .257 is ­carrying 1,400 to 1,600 foot-pounds (ft.-lbs.) of energy, depending on bullet style and weight, while maintaining velocities over ...257 Weatherby n560 quick load. Thread starter hoyt-6190; Start date Aug 15, 2021; Aug 15, 2021 #1 H. hoyt-6190 Beginner. Feb 25, 2015 60 1. ... +Ba 94 67.00 3563 3242 74445 14192 100.0 1.107 !DANGEROUS LOAD-DO NOT USE! Data for burning rate decreased by 10% relative to nominal value: -Ba 94 67. ...Home Forums Reloading Big Game Rifles Load data for 257 Wby. 110 gr GMX, H1000 powder? Forums Member List Calendar Active Threads: Previous Thread: Next Thread : Print Thread: Hop To : Re: Load data for 257 Wby. 110 gr GMX, H1000 powder? shouldershot #6608810 06/20/12. Joined: Oct 2004. Posts: 4,340. K. kraky111. Campfire Tracker.Roy Weatherby liked to design cartridges with more zip than other commercial rounds. While not all Weatherby Magnums are the velocity champions in their caliber, the 6.5-300 Weatherby Magnum beats all challengers. Its factory loads include the Barnes 127-grain LRX at a listed 3,531 fps, Swift 130-grain Scirocco II at 3,476 fps, and Swift 140 ...6,601. take a fired case and slightly deform the case mouth so that it will hold a 120 gr PT. Insert the bullet into the case and chamber it. The bullet will touch the lands and get pushed further into the case. Carefully remove the case and meaure the COL. Do this 3-4 time to ensure you have an accurate reading.257 Wby Load?? #1984889 01/05/11 10:53 PM: Joined: Nov 2007. Posts: 1,030. Whitney, Tx. S. slayer12 OP. Pro Tracker. OP. slayer12. Pro Tracker. S. Joined: Nov 2007. Posts: 1,030. Whitney, Tx. I am wanting to get into reloading and was wondering if anyone has a load that works for them on the 257 WBY Mag? I would like any information such as ...The Hammers or Barnes or any all copper bullet would be preferred. Awhile back I picked up 90 rounds of brass for someone here, but he wanted the 6.5 x .300 Wby so the 6.5 Wby RPM ended up in New Mexico. The round I've got are the 127 Barnes, and that's all I would have interest in shooting.RL 22 and RL25 were both accurate with 130's but not as much speed as 7828. 7828 was a breeze finding a fast accurate load with the 140 berger. WBY brass and Fed 215M primer used throughout. I have a couple 257 wby's but actually prefer the 270 wby to them. ... Anyway take a look at the reloading data at Norma.se, Barnesbullet ( for coal ... ….

.257 Weatherby Magnum Loads reloading data with 51 loads. Using bullets from Sierra BlitzKing, Hornady V-Max, Barnes TTSX, Nosler Ballistic Tip, Berger Target, …Vihtavuori Reloading Data for rifle, handgun and shotgun loads Ensure a successful and safe reloading result. 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.Feb 1, 2020 · Yes these will be used in a 257 wby with a 26" tube. Currently running the 117gr sst to fill crop damage permits and not sure I'm pleased with the on game performance. I played with the 100gr ttsx a little and had decent accuracy but never really finished development with them. These lrx might be a real sweet spot for what I'm doing.30-378 Weatherby Magnum Load Data. 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 performance with Nosler products.Be Alert: Publisher cannot be responsible for errors in published load data. Wt. .257 Weatherby Magnum (Berger Bullets Data) reloading data with 42 loads. Using bullets from Berger Match FB Target, Berger Match VLD Target or Match Grade VLD Hunting. Powders include IMR, Alliant, Vihtavuori, Norma, Hodgdon, Accurate, Ramshot.Learn how to tell if a wall is load bearing with our step-by-step guide. Avoid costly mistakes by identifying load bearing walls before making renovations. Expert Advice On Improvi...Sep 22, 2010. Messages. 3,303. Location. Wyoming. While the history of the caliber revolved around the 100 partitions the 120 partitions with modern powders are magic in that 257 and really make it shine. I use a stiff load of h1000 with mine and its shots great in all 3 of my current 257s.Recoil of a rifle in .257 Weatherby Magnum is about the same as that of a rifle of the same weight in .270 Winchester. More specifically, when a 100-grain bullet exits the barrel of a nine-pound rifle in .257 Weatherby at 3500 fps, one's shoulder is caressed with 13.5 ft-lbs of recoil. When a 130-grain bullet exits the barrel of a nine-pound ...257 Weatherby Magnum (Using 90 GR Hornady Bullets) reloading data with 32 loads. Using bullets from Hornady GMX. Powders include Hodgdon, IMR, Winchester, ...Most of my old pet loads that included H-4831 have been replaced by loads of Reloder 22 or H-1000. Re 22 has provided better velocity and accuracy in my .257 Roberts, 270 Win, and 7mm Rem Mag. But I found Re 22 to be a tad temperature sensative in the 7mm rem mag and H-1000 has proven to be the ticket for both accuracy and velocity in the mag. 257 wby load data, The .300 Weatherby is my favorite rifle cartridge. I think you'll enjoy it. If I had to pick my favorite load it would probably be the following: Powder: IMR 7828 (84 grains) Brass: Norma Primer: Federal 215M Bullet: 180 grain Swift Scirocco OAL: 3.56" I have also had luck with other powders such as Reloder 22, H1000 and H4831. However, IMR 7828 seems to work the best in my rifle., Printed from Shooter's Reference on 05/22/2024: https://www.shootersreference.com/reloadingdata/257-weatherby-magnum/, My .257 wby has about 183 +/- (exact numbers are in my book)... No loose primers, only thing I have had to do is push the shoulder back a bit.. Shoots 115 VLD's well, but I need to tweak more! ... Load data was generated using Quick Load a 26 inch barrel a COAL of 3.170 inches and your COAL and velocity could be a little different., Advertisement Conventional top-loading washing machines with center post agitators use about 40 gallons of water per load. Compare that to front-loading machines that use somewhere..., The same COL works with all the bullets I load for this rifle. The entire cartridge is 3.48" from base to the white tip of the AccuBond. I know some barrels are picky about how close the bullets are to the lans and groves. I have never had a 3-shot groups that didn't shoot under an inch at 100yds with this .257 Wby., 257 Weatherby Magnum. .257" 25 Spitzer SP Hot-Cor®. 25 HP. 25 Spitzer BTSP. WARNING: Improper handloading practices can result in serious personal injury and/or …, 257 Wby Magnum 110 gr ELD-X ® Precision Hunter ®. Accuracy and terminal performance are the cornerstones of Hornady ® Precision Hunter ® factory loaded ammunition. Great care has been given by Hornady engineers to develop superior, match­-accurate hunting loads that allow the ELD­-X ® bullet to achieve its maximum ballistic potential., The bolt cocks easily and the locking lugs feel smooth and snug when rotating the bolt into battery. The Weatherby 307 Adventure SD features a hinged floorplate …, It’s Apple event day! From tweaks to the Apple Card to all new iMacs and iPads, Apple crammed this one-hour event with news. Don’t have time to sit down and click through every las..., One Thousand One Swift Avenue PO Box 27 Quinter, KS 67752 P: 785-754-3959 F: 785-754-2359, 280 Rem. 284 Win. 30-06 Spring. 30-378 Weatherby. 300 H & H Magnum. 300 Rem. Short Action Ultra Magnum. 300 Rem. Ultra Magnum. 300 Weatherby Magnum. 300 Win., .257 Weatherby Magnum (Using 117 GR Hornady Bullets) reloading data with 53 loads. Using bullets from Hornady SST, BTSP or RN. Powders include Hodgdon, IMR, Alliant, Winchester, Accurate, Ramshot ... Publisher cannot be responsible for errors in published load data. Wt. Bullet: Powder Manufacturer: Powder: Charge: Velocity (FPS) 117: Hornady ..., 257 Wby Mag 90 gr. CX™ Outfitter ® Item #813624 | 20/Box Adventure Awaits!. From the backcountry to the back-forty, trust your hunt to Outfitter ® ammunition. Featuring corrosion resistant nickel-plated cases that are sealed watertight and topped with the accurate and rugged CX™ bullet, Outfitter ® ammunition is designed to perform under the toughest conditions., Notes: Overall loaded cartridge length standardized at 3.15 inches. .240 Weatherby rifles do not contain the free-boring feature standard with the larger Weatherby calibers. Shots fired in 24" barrel. (Handloader Issue 45) Be Alert: Publisher cannot be responsible for errors in published load data. Wt. Hornady Spire Pt. Hornady Spire Pt., Low velocity .25 caliber loads. It looks like I'm finally going to get around to casting bullets for my .257 Roberts. I've been meaning to for a while but it has been pushed to the side for other projects. I've got an NEI and an LBT mould on order. They will both be plain base and should come in between 90-95 grains., By blowing out the belted case, giving it minimal body taper, then adding a unique double-radius shoulder, shortening it to 2.549 inch and necking it to accept .257-inch bullets, the .257 Weatherby Magnum was born. Using 115- to 120-grain bullets, velocities hovered between 3,300 and 3,400 fps, while 100-grain bullets reached over 3,600 fps., Notes: case: WBY; case trim length: 2.539"; primer: Fed GM215M; barrel length: 24"; twist rate: 1:10". Be Alert: Publisher cannot be responsible for errors in published load data. Wt. .257 Weatherby Magnum (Barnes Data - 2010) reloading data with 12 loads. Using bullets from Barnes TTSX BT, Barnes BND SPIT, Barnes TSX FB., Unlike Hodgdon, Alliant Powder provides reloading data for revolvers, but also only provides reloading data for centerfire rifle and handgun loads. VihtaVuori Reloading Data VihtaVuori Reload App The next reloading data tool on our list is VihtaVuori’s reloading data guide. The site itself is straightforward enough., Maximum case length: 2.549 inches; trim-to length: 2.539 inches; maximum overall loaded length: 3.250 inches. (Rifle Issue #271 - November, 2013) Be Alert: Publisher cannot be responsible for errors in published load data. Wt. .257 Weatherby Magnum Handloads reloading data with 7 loads., Printed from Shooter's Reference on 04/28/2024: https://www.shootersreference.com/reloadingdata/257-weatherby-magnum/, The hottest .264 mag load in it with the 120 TSX clocks at ~ 3300. Barnes doesn't make a 120 grain bullet in .257, but the max load for the 115 gr TSX is runniung just shy of 3400. Based on the loads and load density, the Weatherby has a touch more case capacity than the .264 win, so the velocities would probably be too close to call., The barnes 100 grain TTSX with RL 22 is an incredible load in my 257 Weatherby Vanguard. Consistent 1/2" grouos at 100 yds and 1.75" at 300. Put down 3 whitetails last season with shots ranging from 150 yards to 260 yards and they all went down hard. Hit a coyote at 200 yards and lets just say it was ugly. May 10, 2013., Oct 30, 2004 · 257 wby 100 & 115 BT's, 264 win, 130 AB, 140SMK & NCC, 7mm Rem, 140 & 160 AB, 150 BT, 30-378 180 AB, 200 AB & SGK. Powders are WC 860 & 868, bu their burnrate is fairly compareable to AA8700 & H870. I'll be reducing by 15% and working up. There is some availibility on the 860 the 868 I'll most likely buy another couple kegs in the near future ..., Home Forums Reloading Big Game Rifles Load data for 257 Wby. 110 gr GMX, H1000 powder? Forums Member List Calendar Active Threads: Previous Thread: Next Thread : Print Thread: Hop To : Re: Load data for 257 Wby. 110 gr GMX, H1000 powder? shouldershot #6608547 06/20/12. Joined: Jun 2004. Posts: 3,186. Northern Michigan. S., 220 Swift Load Data. 34 - 35 Grain. 40 Grain. 50 - 53 Grain. 55 Grain. 60 - 62 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 performance ..., .257" 25 Spitzer BTSP Weight (grains) 120 Ballistic Coefficient 0.480 Sectional Density 0.260 COAL Tested 3.170" Speer Part No. 1410 Propellant Case Primer Weight (grains) Muzzle Velocity (feet/sec) Weight (grains) Alliant Reloder 33 Weatherby CCI 250 69.7 2953 77.4 Alliant Reloder 25 Federal CCI 250 63.0 3024 67.0 Ramshot Magnum Federal CCI ..., Dec 12, 2009. #8. We have killed 3 deer and 1 elk with Berger Hunting VLD's in the last 2 years. The elk and one deer was from my 7mm using 168's and the results where exactly as reported, massive internal damage and immediate death. We shot two bucks with the .257 115gr out of a 25-06 going almost 3100 fromt he muzzle., load for 257 weatherby mag, Thread starter AR_deerslayer; Start date Dec 16, 2011; Dec 16, 2011 #1 A. ... Another good couple of good places for start data are the Hodgdon & Alliant reloading data centers. IIRC (and you'd want to check on this) Sierra lists 66.5 gr IMR-4350 as max w/ 100s. As you've likely surmised, it is a bit fast for ..., Bullet : .257, 120, Swift A-Frame SS. Useable Case Capaci: 77.053 grain H2O = 5.003 cm³. Cartridge O.A.L. L6: 3.170 inch = 80.52 mm. Barrel Length : 24.0 inch = 609.6 mm. Predicted Data for Indicated Charges of the Following Powders. Matching Maximum Pressure: 63000 psi, or 434 MPa. or a maximum loading ratio or filling of 110 %. These ..., .257 Weatherby Magnum (Barnes Reloading Manual #4) reloading data with 36 loads. Using bullets from Barnes Banded Solid Spitzer, Barnes TSX BT, Barnes TSX FB. Powders include IMR, Accurate, Vihtavuori, Alliant, Ramshot, Hodgdon, Guys a friend is working up some loads for a 257 Wby with the 117 Sierra GK #1630 and I was curious if you guys could help me with some info. Just looking to see what powders do what for a starting point. ... 26.0 inch = 660.4 mm Predicted Data for Indicated Charges of the Following Powders. Matching Maximum Pressure: 63000 psi, or 434 MPa or a ..., 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 257 Wby Mag - 115 grain No sler 90% 87% B A RE L ength /Mak 91% 0.453 Partitio n® 0 .3 8 9 8 5 % 8 2 % ..., Barrel is 27 1/4", velocity is a stunning 3685 fps. If anyone were to try RL-33 with a 115 best to start around 77-78 grains and work up. Case will be quite full at 83 grs. Other powders and bullet loads from 28" lilja 3 groove: 100 gr nos bt moly RL-22 69 gr 3600 ave vel. 100 TSX moly RL-22 69.5 gr best 3660 ave.