Subscribe to the free newsletter and do not miss any news or promotions. I used to get the annual Hodgdon reloader magazine but can't find it this year anywhere and I haven't bought one since 2008 (or that is the latest one I can find). He retired from the North Kansas City Police Department after tours through Patrol Division and the K-9 Narcotics Unit, with additional duties as the Department Armorer, SRT Unit Sniper, and Range Officer/Instructor. Sign up for a new account in our community. I also get excellent results with 140 AB, 140 Berger and 150 Bergers with a 26" brux and Magpro. Handloaders that have called Hodgdon have received nothing but stern warnings from them that they should not attempt to load for cartridges which they have no published data for. For the best experience on our site, be sure to turn on Javascript in your browser. The Hodgdon shop is closed until 2 January so I am stuck for now. Just be aware that Superformance is a bit more temp sensitive than ADI stuff. I shot a lot of Sta-Ball 6.5 and it worked well beyond expectations. . I'm having good luck w/ MRP and the 150 Berger in my XCR 270, I understand this is an old thread, but want to reply anyway. 2010 Mule Deer Hunt Last Day Busted G2 Buck with X-Bolt 270 WSM. His last three years of service were spent at the 1st Marine Division Scout Sniper School as the Primary Marksmanship Instructor. 270 Winchester 140 Grain GameChanger Tipped Gameking 20 Rounds. accredited Proof Houses. Zach, a resident of McCook, Nebraska, started shooting trap and hunting when he was 10. We are currently populating the cartridge drop-down menu with updated cartridge renderings, new propellants and bullets, and links to complimentary product pages. In fact, Jake has compiled more wins than any other Shooter in the United States at national level Precision Rifle Series and National Rifle League events during that span. He took his first turkey and mule deer at age 6 and his first bull elk at age 9. The terrain in Southern Idaho often requires a hunter to be able to take shots at 400 yards and well beyond. Each week the Schearer family will hunt with a variety of weapons from archery, muzzleloader and shotgun to centerfire rifles and will not only focus on the hunt, but will be filled with educational tips to make the viewers better sportsmen and sportswomen. Looking for a starting point being I have a jug of it. During his time, Phillip completed 4 overseas deployments and served in all billets available to a Scout Sniper, to include Scout Sniper Team Leader, Chief Scout Sniper, and Scout Sniper Instructor. They list it for 243 wssm, 25 wssm, and 300 wsm. Because this propellant is tailored for specific applications, the number of . Shellholders: Hornady #35 Likely it's they wrong burn rate. That's only my experience. 007-A444003 | Sierra. 26" schneider. JavaScript is disabled. My understanding is Hodgdon will not publish any data for Superformance that does not give at least 100 fps more than standard because of a contractual arrangement with Hornady. Good info thanks for sharing. The fifth edition of the Nosler Reloading Guide shows that 59.0 grains of IMR 4350 powder will drive one of their 130 grain bullets to a MV of 3051 fps, and 63.0 grains of the same powder will give a 130 grain bullet a MV of 3294 fps. Posts: 14,668. Reloading the .270 Winchester The .270 Winchester is the first big-game cartridge the author ever handloaded for is still a great choice. 2012 Rifle Elk Hunt Dallen Takes a 4x5 Elk with a X-Bolt 270 WSM. I can look in my Hornady books when I get home. I hunt in Oklahoma, Tennessee, and occasionally some other places and the temps realistically do range from late winter hunts well below freezing to early fall hunts in the 90's and there is enough to worry about when hunting so the last thing I want to think about is my powder being too cold or too warm. In the 330 Dakota for a 225 grain TTSX bullet, Hodgdon lists 84 grains of H4831. Pistol. .270 WSM (5).28 Nosler (3).280 Rem (1).280 Rem Ackley Imp (2).284 Win (1).30 (1).30-06 (38) .270 WSM 270 WSM, 270 WSM Ammo.35 Whelen.35 Whelen, 35 Whelen ammo.303 British 303 British Ammo; . VAT (where applicable), shipping costs and possible delivery charges. He volunteers as an alter sever at Mass on Sunday at church and is a member in the Civilian Airpatrol Program. Tenring, I missed the part of your post about purchasing a 300 WSM but the rest of my post still stands. 17 Remington Fireball . The factory load averaged 2721 fps muzzle velocity. He was trained as an armorer in the US Army, where he spent six years as a Military Police Investigator. There are too many good 7 and 6.5 options. Hodgdon Hornady Superformance Powder in stock now for sale was developed to for rifle shooters that reload for the 22-250 Remington, 243 Winchester, 300 Ruger Compact Magnum (RCM) and the 300 Winchester Short Magnum (WSM) and others (see below). Thank you for sharing Hodgdon Reloading data. He also placed second in the World Elk Calling competition. IMR . Shes also the co-director of her local club, the AZ LRPRS, assisting in facilitating monthly matches throughout the year. Apparel. Her assignments included Patrol, Street Crimes, Narcotics, and Gangs. Those speeds that you mention can easily be topped by RL 17. Dianna Muller earned a Bachelor of Science in Criminal Justice/Psychology from University of Central Missouri and retired from the Tulsa Police Department after 22 years of service. 7mm PRC Precision Rifle Cartridge. Vihtavuori offers rifle reloading data for numerous calibers and bullets for match and hunting purposes. You can find Ryan on Shooting Gallery on The Outdoor Channel, and Realtree.com. Load data for caliber ".270 WSM". Later, he started a granite countertop business allows him the time to pursue his passion for long-range shooting and high-country public land mule deer and elk hunting. The slow burning spherical powders pack more densely, so the longer bullets do not compress the powder as much at larger powder charges. But the Superformance that is sold with Hodgy's name on it, was geared around the 30-06 cartridge. Any info would be appreciated. In that time I have used it for both hunting and competition. Increase your rifle's performance up to 200 fps without extra chamber pressure, recoil, muzzle blast, temperature sensitivity, fouling, or loss of accuracy. . I'll let you guys know how it turns out. Need some load data for new 270 WSM and Superformance Powder, Re: Need some load data for new 270 WSM and Superformance Powder, Powered by UBB.threads PHP Forum Software 7.7.5. His reloading manuals are highly sought after, and his knowledge of the subject is unmatched. 7 mm Remington Magnum. safeguards that all firearms and ammunition sold to civilian purchasers in member states are safe for the users. Phillip is also well known as a nationally ranked precision rifle competitor in the Precision Rifle Series and National Rifle League circuits. It's easy! 7 x 64. I hope you will be as pleased as I was. There was no head expansion, and primer flattening was no different than seen on factory ammo, and there was no problem with extraction. Superformance delivers striking velocities in cartridges like the 22-250 Remington, 243 Winchester and 300 Winchester Short Magnum. Colleyville, DFW, TX. You can see their data here. #8. SAAMI . A consistent shooter, Regina has finished in the Top 20 routinely and in the Top 10 quite frequently in both the National Rifle League and Precision Rifle Series. I have two 270WSM's (wife's and mine). Joined: Nov 2004. Well I am not one to be deterred so I went on with it and found it to be extremely accurate and the velocity would blow your mind. 7 x 57. The desire to know, when, how, and if he should take these shots along with an unquenched thirst for competition, lead Brian to shoot precision rifle events. Jaclyn has also taken up Extreme Long Range matches, including King of Two Miles in New Mexico, where she placed 14th out of 80 invited competitors. Hey guy's, I thought I would share my results with you. SO, anybody loaded the 270 WSM with Superformance yet? She has been named as a co-host on Shooting Gallery on the Outdoor Channel. In Stock. Thanks for the input but check the post, I did buy a 300 WSM but I also bought a 270 WSM and I wanted to be able to load both rifles with the same powder if possible. Former lead pilot of the Blue Angels John Foley has reached been in contact along with Remington Mcbee and several others. He is a four-time World Champion, 13-time National Champion, the only Triple Crown winner in Action Shooting Sports and has 600+ (and counting) local and regional shooting competitions. You find load data for cartridges in caliber .270 WSM with all common powders and bullets by clicking the "Loads in this cal. I would call Hodgdon and ask. Brian spent three years in Spokane as a Zag until his baseball career was cut short by a tragic plane accident that took the lives of his parents and younger sister. Sep 15, 2014. I also have a chronograph which helps. He is also a noted TV personality, regularly appearing on TV programs Shooting USA. For the .270, today I tested 130 grain TSX bullet in once fired full length sized Federal brass using 58 gr of Superformance and Federal 215M primers. $2.00 Per Piece. I used 82 grains of Superformance and got 3006 fps with no pressure signs at all. She remains the only female to take home overall wins in national level precision rifle competitions when she won the 2016 NorCal Tactical Bolt Rifle Challenge and 2018 K&M Kahles Precision Rifle Competition. We manufacture Partition, AccuBond, E-Tip, Ballistic Tip, Custom Competition and much more. Doubling that will come close to including practice rounds spent at his one-of-a-kind shooting range he built on the edge of the Snake River Canyon. Although her family hobby was horse shows and barrel racing, her father introduced her to USPSA in high school. I recently picked up a pound of the Hornady Superformance powder to try out. Handgun Ammo. Any help out there? Currently Jake has over 65 top three podium finishes in the last four years, another record! Several component suppliers also provide load recipes that . Yep, those Hodgdon manuals sold me a 7mm-08 Rem, a 280 Rem, 270 WSM, 300 WSM, 243 WSSM (hated that one) a 22-250 Rem over the years and probably could have talked me into a new 325 WSM if they had published a new one. She has competed on the TV series, 3 Gun Nation as well as an upcoming show called The Big Gun on Sportsman Channel, airing in Q1 2016. Nick Harvey is one of the world's most experienced and knowledgeable gun writers, a true legend of the business. Does Hodgdon list the pressure for that load? Components. No part of the landscape, from pop cans to squirrels, was immune to a 10 round burst from a Ruger. Chad is also the Director of Advertising & Media Relations for CVA Muzzleloaders, PowerBelt Bullets, Bergara USA, DuraSight Rings and Bases, Quake Industries and Konus Optics. If one wants to try this, be sure to have reliable published load data for the cartridge in question and check all the numbers yourself. bullet and no pressure signs at all. In fact start with charges that are 5-10% lower and watch for pressure signs. Phillip has attended all follow-on formal Scout Sniper courses, having graduated with honors and recognized as High Shooter from all. They list 49.4 Grs. All my load development for this powder is in modern bolt action rifles. Rl 22 is an excellent powder but it is a coarse stick powder that works well for lead bullets which are shorter than the Barnes bullets of the same weight. JavaScript seems to be disabled in your browser. 003-80563 | Hornady. Dec 2, 2007. Has anoyone developed a load for the .270 win using this powder? I just received the 2012 reloading magazine from Hogden and as you said the Superformance is shown to be the next slower to H4831 and falls between H4831 and Win 780. She has since entered the Open division and has competed all over the country at numerous national level events, including the PRS Finale in 2018. Zach started attending national shoots in 2018, including Junior Worlds, Junior Olympics Nationals, and USAYESS Nationals. 270 Winchester Short Magnum (WSM) Load Data. But the Superformance that is sold with Hodgy's name on it, was geared around the 30-06 cartridge. klay thompson career high points; neverworld wake spoilers; viking spores uk reviews Menu Toggle. I've never used Reloader powders. A couple months later, Zach shot USAYESS competition in Grand Island. The store will not work correctly in the case when cookies are disabled. #3. 7.62x39 16.5 barrel 7.62x39 20 barrel.323. She helps organize and coordinate Arizonas own national level event, the Tactical Precision Rifle Challenge. Residing in Cheney Washington, Jake Vibbert owns JC Steel targets Inc. and is a strong competitor in the Precision Rifle Series and the National Rifle League. We use cookies to make your experience better. I was intrigued with 3-Gun since, as a police officer, I relied on all three platforms at work. Hunting trophies or punching paper, precise rifle data is in sight . You must log in or register to reply here. A typical 30-06 rifle should throw a 165-grain (just about the optimum weight for this round) about 2,850 fps from a 24-inch barrel. Well we are going out this afternoon and I will let you all know what I find out. Presses. 2023 Yaffa Media. Superformance doesn't give the same results for every cartridge. 0. 7 x 57R. After starting a life and career in Tulsa, she pursued barrel racing until she found 3-Gun in 2009. Precision is making and looks forward to the future of creating the best professional custom rifles on the market. Theres data for 300wsm but not the 270WSM. In powder burn rate charts, Superformance rates just slower than H4831. Walker loves waterfowl hunting with his black lab Pow. 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 . I can get 3230fps with the 130gn InterBond in my .270 WSM which means that Hornady should be able to equal that with a Superformance load for the .270 WSM. Seeing the home-built pile of quality ammo grow was always a welcome sight and made my happy. We are engineers, reloading enthusiasts and operate one of the most powerful ballistics calculators. I'll use the 300 WSM when I have to get something fast and flat across the pasture but I just like a 270 and love the performance of 130 and 140 .277" bullets on deer sized game. 270 Winchester 140 Grain (SST) Super Shock Tipped Superformance 20 Rounds. .270 WSM (Winchester Short Magnum) - Published Manufacturer Loading Data. Because there is no increase in pressure, regardless of the caliber, there is no increase in felt recoil but there IS an increase in efficiency and high speed performance. Anyone load any 270WSM with the Hornady superformance powder? I have found tons of data for the 300 WSM and Superformance but none for the 270 WSM. accredited Proof Houses. It's going to be hard to beat RL-17 for the 270 wsm. Using bullets from Sierra HP, Speer HP, Hornady HP, Barnes TSX, Hornady SP, Sierra HPBT, Swift SP, Nosler Part. Bullet: Powder Manufacturer: Powder: Charge: Velocity (FPS . scoutpylot, November 18, 2012 in Rifles, Reloading and Gunsmithing. If you use the Barnes bullets remember they . In 2016, Phillip was nominated for Scout Sniper Instructor of the Year for his meticulous instruction that resulted in institutional changes in the training of Marine Scout Snipers in both formal schools and unit level training. If you go to Hodgdon rifle loading data and select "powder" SUPERFORMANCE the 9 calibers with data will drop down..22-250 , 243, 6mm, 300WSM, 270WSM, etc. I used to get the annual Hodgdon reloader magazine but can't find it this year anywhere and I haven't bought one since 2008 (or that is the latest one I can find). Sign up with your email address to receive news and updates. Looking for a starting point being I have a jug of it. Joey is starting the load development process for his 270 WSM. Now to decide to stick with factory ammo or persist with the Berger's. In my nephews 300 WSM the load he settled on in the end was the 200 gr ELDX with a load of 69 grs RL 26 , this load has a COAL of 73.5 mm , 24 inch barrel Rem 700 average velocity was 2957 fps and we verified at 400 yards with 17 inches drop. Gear Bags. 270 Winchester Short Magnum. Gear Bags. R22 has been great in 7mm Mag and 270 Win. Because I started loading a 270 years ago and settled in on R-22 7828 and aa magpro I never felt the need to jump onto developing every new powder that came along. I have always used Hodgdon due to the temperature consistencies with their extruded powders. Reloading data for .270 WSM cartridges and specifications for cases and loads in this caliber. Messages. I am still using the Hornady 7th Ed and the Nosler #6. Phillip is a 10-year Marine Corps veteran having served his whole career in the Scout Sniper community. Reloader Rejoice. H4350 is a good choice for handloading the .300 WSM, and it performed well with Terminal Ascent 175-gr. I have one older can of H4350 but it is a single now with no more matching lots and I hate to burn through it because my 7MM-08 and a Weatherby in 270 Win just love the stuff. Accubond Long Range bullet from Dallen's 2013 Utah . has you covered. Reloads with 140gr Accubonds using Retumbo and Federal 215 primers. Their chart also showed some of the IMR and Reloader powders to be the worst with some more than 100 fps difference due to temps. Sponsored by many of the hunting industries leading manufacturers, he has conducted over a thousand hunting and fishing seminars across the United States and has hunted and fished extensively around the world. Targeted velocities are well in excess of 100 fps over the best published handloads and even larger gains over factory ammunition! Through shooting, Zach has met many people in the shooting community. Nick lives in rural NSW, Australia. Brian moved back to Idaho, where he completed his bachelors degree in Business Finance at Albertsons College of Idaho. To comply with the new e-Privacy directive, we need to ask for your consent to set the cookies. For over 25 years, he has worked in the firearms industry in product development, working and consulting with small arms manufacturing and related products. The correct name for the cartridge, as listed by the Sporting Arms and Ammunition Manufacturers' Institute (), is 270 WSM, without a decimal point.It is a member of the Winchester Short Magnum family of cartridges. Todd is also a sought-after firearms instructor for military, law enforcement, and competitive shooters around the world. 270 Spitzer BTSP 270 Spitzer SP Hot-Cor 270 Grand Slam SP Weight (grains) 130 Ballistic Coefficient 0.412 0.383 0.332 Sectional Density 0.242 COAL Tested 2.700" 2.670" Speer Part No. . Hornady Superformance SST Rifle Ammunition 20 Round Box. Copyright 2000-2023 24hourcampfire.com, Inc. All Rights Reserved. Hornady 82206 Superformance 300 WSM 165 GR GMX - 20rd Box . * All prices incl. Whats left of a recovered 150 Gr. I have found tons of data for the 300 WSM and Superformance but none for the 270 WSM. Technical Specifications (based on the respective safety standard - see more details in tab "Datasheet" if available) Caliber: .270 WSM. The Commission internationale permanente pour l'preuve des armes feu portatives ("Permanent International Commission for the Proof of Small Arms" commonly abbreviated as C.I.P.) Where's the lead? Those speeds that you mention can easily be topped by RL 17. Started out at 57 grains and worked up from there. Here you will find load data for some of the most recent cartridges on the market, with more being added each week. I've never used Reloader powders. Apparel. Now you can load your ammunition with the same powder that Hornady uses in their factory ammunition. Superformance is listed as slower burning than H4831. Share your experiences with other customers. An avid shooter and outdoorsman, George takes pride in the quality custom rifles that G.A. You can see their data here. I have started out with Superformance loads that are 2 grains less than those listed for H4831 and looked for overpressure signs such as flat primers, trouble extracting the case or expansion of the case head. Does the .270 WSM offer enough of an advantage for me to trade my old Model 700 in on one? Please help us to improve and report any suggestions via our contact form. Steve, I can't say if the SF powder will work or not in the .270. Reloading. Thanks for the input but check the post, I did buy a 300 WSM but I also bought a 270 WSM and I wanted to be able to load both rifles with the same powder if possible. ABOUT WALKER: Walker is 15 years old and has hunted from Africa to Hawaii, and several places in between, including the Yukon in Canada. I plan to shoot 140 grain Accubonds because I have a huge stash but if not I can also load up some 130gr SST's. 270 Winchester 270 Winchester Maximum Loads Should Be Used With Caution - Always Start With Minimum Loads. Nosler, the world's finest bullets, ammunition, rifles, & brass. find load data for your cartridge. I should be able to adjust the loads in the 270 WSM until I get an accurate one and velocity really isn't that big an issue with me, especially with the increased velocities in these WSM's. Mar 13, 2018. My 270 really likes this powder with both the Barnes 130 TTSX and Sierra 130 SPBT. Wyatt has won numerous elk calling competitions at the ISE Best of the West Elk Calling Competition. Test notes: Both rifles were shot off lead sleds, on a . Powders include Winchester, IMR, Hodgdon, Accurate, Alliant, Vihtavuori . Soon, Zach was shooting skeet and fell in love with the sport. . 17 Caliber / .172" Diameter. 7mm . Nosler Load Data; Nosler Load Data. Do not trust my numbers. All I really have for data is the advertising but Hodgdon has touted their Extreme powders for years as the most temperature tolerant of all powders averaging less than 5-10 fps difference in temps from 0 - 125 degrees. Tenring # 8399063 12/27/13. The temp today was 40 degrees F. I would not recommend ever exceeding the listed H4831 charge. That's on par with a 300 H&H Magnum, a 300 Remington SAUM, and 308 Norma Magnum. I've tried a couple and have gotten good accuracy but not the velocity to go with it. Their chart also showed some of the IMR and Reloader powders to be the worst with some more than 100 fps difference due to temps. Powders include Hodgdon Going to do some workups tomorrow and thought that this may be worth a shot. could you provide data please? A: Ive compared the maximum velocities of the two cartridges as shown in various reloading manuals and it appears that the .270 WSM has about a 150 fps velocity advantage over the venerable .270 Winchester when both are fired in barrels of the same length. 7 mm RUM.30 Carbine There isnt much difference in the trajectory of their bullets. Firearms, Long Range Shooting, and Reloading. I asked the same question about SF in a .260 and got less than favorable results. 28 nosler (new!) I have one older can of H4350 but it is a single now with no more matching lots and I hate to burn through it because my 7MM-08 and a Weatherby in 270 Win just love the stuff. One rifle likes a compressed load of 71.0gr, the other 69.0gr. The same applies for cartridges; at regular intervals, cartridges are tested against the C.I.P. Information about the .270 WSM cartridge from Guns and Shooting Online. I dont plan on stopping anytime soon and this year is scheduled to be as busy as any while shooting 4 different series. Superformance uses progressive propellants that take your favorite V-MAX, NTX, SST, CX, and InterLock, bullets to levels of . fired with a 65.0-gr. In all honesty, you could use them both in the field and never notice any difference between their performance. Bottom line, Superformance achieves superb velocities in the .270 Win that are very close to those seen in .270 WSM Barnes Vortex ammo. magazines and reloading components. Thanks for the input guys. of Varget as a maximum load @ 3200 F.P.S. It may be all BS but Hodgdon has advertised this for years and they own IMR powders and don't give them a break either. increments, watching closely for preasure signs. 270 Win 140 gr SST Superformance. I should be able to adjust the loads in the 270 WSM until I get an accurate one and velocity really isn't that big an issue with me, especially with the increased velocities in these WSM's. 7mm Weatherby Magnum. Extraction and primer flattening did not differ between factory and the reloads. Muzzle velocity averaged 3058 fps. Copyright 2000-2023 24hourcampfire.com, Inc. All Rights Reserved. Access from your Country was disabled by the administrator. But I can see where Superformance if Hodgdons burn rate chart can be believed falls right into the correct area for our 270's. In these days and our limited powder . Be sure to follow case length and overall length recommendations for the cartridge/bullet combination. Dec 5, 2019. Superformance 51.5 2762 57.2 3082 H4831SC 54.3 2736 60.3C 3018 IMR 4831 50.1 2712 55.6C 3009 Supreme 780 52.4 2715 58.2C 3026 Powder Minimum Maximum Charge (grains) Velocity (fps) Charge 8x57 mm mauser The Hodgdon shop is closed until 2 January so I am stuck for now. It may not display this or other websites correctly. Shooters Fishers Farmers Party calls for NSW volunteers as election looms, Gun industry locked out of talks as government ignores PMs policy guidelines, Puzzled by .223 velocities that dont come up to speed. From their home in Montana, Shoot Straight with Chad & Marsha follows Chad, Marsha and their two boys-Walker and Wyatt-across the world in hunting adventures. Powders include Hodgdon Jun 28, 2017. I can look in my Hornady books when I get home. When Wyatts not hunting or fishing he loves competing in rodeos and roping off of his horse, General. I should be able to get an accurate load from a 140gr Accubond that surpasses 270 Win velocity anyway. So, the groups that appear the best were also tested the most. 2019 Ted Fund Donors Anyone load any 270WSM with the Hornady superformance powder? Hornady Superformance Powder for .270 Win??? In 1999, George opened GA Precision after apprenticing with three gunsmiths. Was wondering if I could take the 300wsm info and scale it down based on H20 capacity vs recommended load? By 2011, she sold her farm and all of her horses to focus on 3-Gun and the 2nd Amendment. A significant exception is Hornady's Superformance ammo. To achieve this, all such firearms are first proof tested at C.I.P. 7 mm WSM. . For a better experience, please enable JavaScript in your browser before proceeding. Scalloper I see you have uses 780 supreme can you tell me what you think of this powder I was thinking of using it in my 270. ABOUT CHAD: Chad is a world champion elk caller and two-time Eastern US Elk Calling Champion. .270 Winchester (Using 140 & 145 GR Hornady Bullets) reloading data with 88 loads. Todd is a competitive shooter and firearms instructor. They are impressed by the light recoil and how cheap it is compared to buying new AA shells for practice or matches. $40.04. Generally speaking, Norma load data has 2gr difference between max and min. Hailing from the Kansas City-area, Jaclyn is a rifle shooter specializing in precision rifle shooting. Ryan still has a passion for hunting, but 3-gun gives Ryan and wife Dianna the opportunity to travel together and compete with and against amazing people. Phillip Velayo currently serves as Gunwerks Long Range University Lead Instructor. in a Mod 70 22in. H4350 is also good with 130 and 140 grain bullets. . 117. SUPERFORMANCE ammunition is loaded with proprietary propellants that increase the velocity ratings up to 200 feet per second compared to other popular brands. I know the Superformance powder is a ball type powder but it is supposed to be coated to maintain consistent velocities throughout realistic temperature ranges and perform like their Extreme powders. 270 winchester 270 weatherby magnum 270 winchester short magnum 6.8 remington spc. Should anyone decide to try this powder do it only in cartridges for which there is published data using H4831, and do not exceed the weight quoted for H4831.
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