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Dec 18, 2022 ... In this video I test some factory Weatherby ammo. The ammo is the 100 gr TTSX. I test the velocity and the accuracy of this ammo..257 ROBERTS ACKLEY IMPROVED - Published Manufacturer Loading Data Recipe Type: Rifle.257 Weatherby Magnum (Using 90 GR Hornady Bullets) reloading data with 32 loads. Using bullets from Hornady GMX. Powders include Hodgdon, IMR, Winchester, Alliant, Accurate ... .257 Weatherby Magnum (Using 90 GR Hornady Bullets) Warning! Notes: This data was shot by Brian Pearce, Wolfe Publishing Company. Gun: Weatherby Mark ….257 Weatherby Magnum - Published Manufacturer Loading Data. Shellholders: Hornady #5. Lee #5. RCBS #4. Recipe Type: Rifle. Bullet Weight: ALL. 70 gr. 75 gr. 80 gr. 85 gr. 87 gr. 90 gr. 100 gr. 115 gr. 117 gr. 120 gr. Powder: ALL. Accurate 3100. Accurate 4350. …I load .300 Wby for a buddy of mine (don't have one myself), but for all my belted-magnum cartridges, I use RCBS Neck-Sizer dies, since it is easier on your brass, and helps to produce less brass stretch. I got my press & dies, and most of my reloading stuff from Midway USA.After perusing the Nosler reloading manual and Jungle Jim Scott's article on the .257 Weatherby (PS September, 2011), I put together five different loads utilizing the Nosler 100-grain Ballistic Tip, Federal magnum primers, and Weatherby brass to get an idea of what the rifle might like.Most will list a 257 Wby at 3450-3550 fps with a 100 gr bullet, why would we expect another 500 fps to come from the STW. ... Yes, the milder load will drop a bit more and have a bit more winddrift but in most cases, out to 500 yards, a shooters ability and shooting position will effect bullet point of impact more then the difference of these ...VLD Hunting bullets are designed to penetrate 2-3″ into the vitals and then begin to expand and create a massive wound cavity up to 15″. This delivers maximum organ/tissue damage and extreme hydrostatic shock aiding in an ethical kill. VLD Hunting Rifle Bullets incoporate a secant ogive design which allows the Rifle Bullet to experience ...3,166. Dec 9, 2018. #4. I burnt the barrel out of my 257 wby using 115gr ballistic tips and learning to shoot long range. The wby speed buys you pretty good performance even with the lower bc ballistic tip bullet, but the barrel life doesn't really promote the practice necessary for long range. I found that the accuracy node was very similar ...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.Sciroccos are quite long for their weight. The .30-caliber 150-grain Scirocco’s length is 1.270 inches, compared to Swift’s 180-grain A-Frame’s 1.215 inches and Nosler’s 150-grain Ballistic Tip of 1.24 inches. The 7mm 150-grain Scirocco measures 1.385 inches long, compared to 1.365 inches of the Swift 175-grain A-Frame..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 ...In stock and ready to ship! 5 reviews. $ 25.00 - $ 112.00. Ok quarter bore guys, we got you the rocket sled ready to run. 1-10″ twist 90gr Absolute Hammer™ is going to be fun for sure. Just think a 257 Weatherby Mag running at 3900fps. I think Roy has a grin right now. Absolute Hammer™s should be loaded with caution as they will not ...Reduce by 10% to establish a starting charge weight. Alliant Centerfire Rifle Load Data. Be Alert: Publisher cannot be responsible for errors in published load data. Wt. .257 Weatherby Magnum (Alliant Reloaders Guide 2008) reloading data with 8 loads. Using bullets from Speer SP, Sierra BTSP.Speer #13 and Nosler #5 both have tabulated data for several powder and bullet weight combinations for 257 Wby. I have never heard of IMR 4830, I presume your typing finger went astray, should have been 4831. I don't give load data out for liability reasons, far fetched as it seems. Glad to furnish source info though.Hello I’m new to the group. I’m looking to reload for my .257 Weatherby mag using Hornady 110 grain eld-x. Haven’t had any luck finding any load data yet. Planning on using H-1000. Looking for a safe starting point.This nice 10-point Coues deer was taken at 350 yards in January 2012 in Chihuahua, Mexico with the .257 Wby. Mag. and Robb's handloads. ... Handloads for the .257. I spent a lot of time working up loads for this rifle—while I love Weatherby factory ammo, it is a bit pricey for somebody who likes to shoot a lot—and finally settled on a ...Select A Caliber or Gauge Below To View Recipes. 25-06 Rem. 257 Weatherby Magnum. 264 Win. Magnum. 270 Weatherby Magnum. 270 Win. Short Magnum. 30-06 Spring.For legal reasons those loads are for rifles without the wby freebore. I have worked with the 300 wby for 40 years. Reply. B. bleeds blue Member. Joined Apr 25, 2011 Messages 6 Location Northern Utah. Apr 27, 2011 #3 Great, thanks. ... 257 weatherby load data. cbaker; Nov 22, 2004; Replies 3 Views 9K. Nov 24, 2004. Freebore. F. Recent Posts. P ...Nosler Load Data; Nosler Load Data. Rifle. 17 Caliber / .172” Diameter. 17 Remington Fireball. 17 Remington. 20 Caliber / .204” Diameter. 204 Ruger. 20 Nosler. ... 257 Weatherby Magnum. 25 Winchester Super Short Magnum (WSSM) 6.5mm Caliber / .264” Diameter. 6.5 Grendel. 6.5 Creedmoor. 260 Remington. 6.5 x 55 Swedish.Oct 1, 2005. #3. Re: .257 Weatherby. I have had several custom 257 Weatherby's with no freebore. I tried IMR 4831 with the 100 and 115g partitions, but the powder proved to loose 250 fps when the temp droped from 75* down to 45*. I have had fantastic luck with R#22 with both 100's and 115's, but feel there could be improvement with H4831sc.The Hide Armory. Reloading Depot. Sniper's Hide is a community of Snipers of all kinds, focusing on long range shooting, accuracy, and ballistics. Founded by Frank Galli in 2000, Sniper's Hide has been offering informational videos, podcasts, and other support to its users in one location. Forum Statistics.

Be Alert: Publisher cannot be responsible for errors in published load data. Wt. .257 Weatherby Magnum (Barnes Reloading Manual #3) reloading data with 80 loads. Using bullets from Barnes Solid, Barnes XBT or Solid, Barnes XFB or XBT, Barnes XLC BT, Barnes XFB. Powders include Accurate, Alliant, Hodgdon, IMR, Ramshot.Banana Belt, Montana. scottishkat, Actually, my only handload with Magnum that uses any of the 100-grain bullets listed in Western's data is 1.7 grains above Western's. My load with the 100-grain Barnes TSX used 75.0 grains, while their max load is 73.3 grains. That was in my first .257 Weatherby, a Vanguard sporter--which I sold a decade ago.Talking about similar cases and why i used 7mm rem mag data. I read over on another forum about using 7mm rem mag brass resized down to 257 wby. I gave that a go the other night and it worked just fine. After light trimming the only difference i noticed besides the head stamp is that tge neck is 050" shorter using the 7mm brass..338-378 Weatherby Magnum (Using 225 GR Hornady Bullets) reloading data with 25 loads. Using bullets from Hornady IB, SST or SP-RP. Powders include Hodgdon, IMR, Vihtavuori, Alliant6.5 Weatherby RPM (Rebated Precision Magnum) - Published Manufacturer Loading Data. Shellholders: Hornady #1. Lee #2. Recipe Type: Bullet Weight: Powder: Recipe Source: Starting.

1. Spent the winter working up loads for the .257 WM. With the 100 grain BT, Retumbo was the ticket with 1/2" groups and 3625 FPS. The 110 AB was equally as great with H4831SC and IMR 7828SSC. Both produced under 1/2"groups with velocity right at 3400 FPS. Both RL22 and RL25 are great powder, however they are TOO erratic in cold weather.Case: WBY Twist Rate: 1:10" Charge Velocity Charge Velocity Load Powder (grains) (fps) (grains) (fps) Density (%) IMR 4831 65.5 3589 69.5 3858 93 Supreme 780 67.5 3527 71.5 3812 87 XMR 3100 66.5 3597 70.5 3813 95 RL 22 66.5 3552 71.5 3842 92 IMR 7828SSC 69.0 3522 73.0 3795 91 H1000 72.0 3525 77.0 3778 99.257 Weatherby Magnum Minimum Maximum…

Reader Q&A - also see RECOMMENDED ARTICLES & FAQs. 257 Wby Mag 90 gr. CX™ Outfitter ® Item #813624 |. Possible cause: Case: WBY Twist Rate: 1:10" Charge Velocity Charge Velocity Load Powder (g.