The .243 caliber cartridge is a historically proven caliber. So, it’s coming…soon…maybe? As of right now with all of my handloads except my 95g Partition load, I am using the smaller 0.242" diameter Tapered Expander. At 100 yards the velocity is 2838 fps and the energy is 1789 ft. lbs. It is proven as a hunting caliber across North America, throughout Europe, Africa and so on. I found the 95g Nosler Partition load I like... well, maybe I'll tweak it some more in the future but for now I'm happy. The 243 Winchester tolerates a wide variety of bullet / propellant combinations, making it an easy cartridge to successfully reload. The original caliber has a heritage that makes the conversion to a Super Short Magnum seem very reasonable and, generally, a pretty good idea. If you are interested in the most recent data for cartridges and/or bullet weights/styles not listed on this page, contact Barnes Consumer Service department to inquire about recommended loads and approximate timing for the data to be made available via email at customerservice@barnesbullets.com or by phone at 800.574.9200.. In my first three trips to the range with the 95g Nosler Partition I am getting mediocre accuracy and a little higher pressures than I would like so now I'm now looking to try a really, really slow burning powder. 22-250 Remington Load Data; 22-250 Remington Ackley Improved Load Data; 220 Swift Load Data; 223 Win Super Short Magnum (WSSM) Load Data; 6mm PPC-USA Load Data; 6mm Creedmoor Load Data; 6mm Bench Rest Remington Load Data; 243 Winchester Load Data; 6mm Remington Load Data; 243 Win Super Short Magnum (WSSM) Load Data; 240 Weatherby Magnum Load Data Larger and heavier AR-10 platforms have been chambered to allow traditional, long cased .243's, and they perform well, too. That bullet has preformed very well on elk. INDICATES MAXIMUM LOAD — USE WITH CAUTION Rifl e Data 223 Winchester Super Short Magnum 40G RAINB ULLETS SECTIONAL DENSITY: 0.114 DIAMETER: 0.224" 40 M V. gr- AX ® Item No. ( HillBillyBrass.com ), Love the 243 WSSM! Could probably add a grain or two more of powder as I had no pressure signs with this load. Starline’s .243 Winchester brass was used for this article. Add a 90 or 95 grain Ballistic Tip (or one of the Partition bullets), and the .243 becomes a versatile, pleasant to shoot, hunting rifle. Reading through blogs, forms, and rifle owners' comments on the 243 WSSM, they all point to one key failure. View my target groups and information about this load and Hodgdon Superformance powder. There seems to be a patent on a mathematical formula dealing with ALL Super Short Magnum calibers. ( www.hillbillybrass.com ). Using bullets from Barnes TTSX BT. Maybe… Read more », My company (which shall remain nameless here in the public domain) has used brass resized by Hillbilly Brass for the 25WSSM. Targeted velocities are well in excess of 100 fps over the best published handloads and even larger gains over factory ammunition! The ADI brand is owned by Australian Munitions, ADI World Class Powders & Ammunition products are proudly Australian made and our commitment to the local reloading community is stronger than The patent isn’t on something someone manufactures physically per say, but basically a theory. 223 WSSM 223 WSSM Maximum Loads Should Be Used With Caution - Always Start With Minimum Loads. Seriously, finding 243 WSSM is the adult version of a never ending Easter egg hunt. I also saw it briefly on Midway. 243 WSSM ( Winchester Super Short Magnum ) Load Data Major manufacturer Olympic Arms was quick to recognize this high performance caliber and how it fits into the AR-15 platform. My understanding in this case was that something had to be voluntarily released by Alexander Arms (who trademarked it – NOTE, not patented) so that ammunition could be mass produced by various and multiple manufacturers in order to make the caliber more popular and standardized. The round was introduced in 2003. The way bolt actions operate meant there was not enough engineering put into getting that short little round keg of spitfire up and into the chamber. Check out Hill Billy Brass. (as we’ve not seen those yet), Email him directly thru: VictoryDefense.com (Comments Section) or thru ARHunters.com, 243 is one of the best all round cal // I had very good result use 85 -90 gr bullet on deer of all size and type out to 400 yrds. Bullet Type Primer. USA -(Ammoland.com)- To begin with, there are statements in this article that are purely my own, and my opinions are obvious and blatant. Hodgdon ®, IMR ® and Winchester ® powders neither assume nor authorize any person to assume for it any liability in connection with the use of any product or data. Modern propellants are capable of getting burn rates and pressures at lower temperatures. You aren’t looking very hard. Reloaders are urged to be careful not to either under or over load the .243WSSM, as this is a pressure sensitive cartridge. With 100- to 120-grain bullets, velocities approach that threshold, but the newer cartridge can do so only by operating at higher pressures—65,000 psi compared with the .25-06’s 53,000 psi. Powders include Hodgdon, Winchester, IMR The magazine and bolt interface in the AR-15 is simple. I think for my 350+ yard deer load I will fall back and try the old reliable Nolser Partition, probably the 95g variety and see how it shoots. We’ve been doing the rifles in bolt action systems for several months now in our custom line. 243 Winchester 243 Winchester Maximum Loads Should Be Used With Caution - Always Start With Minimum Loads. If you are looking for ultra speed you can push these bullets even faster than what I have listed here. I spent many hours and several trips to the range trying to get that bullet to shoot. It will last a long time. As for powders, you can run anything from BL-C(2) to H1000 in that case. Users assume all risk, responsibility and liability for any and all injuries (including death), losses or damages to persons or property (including consequential damages), arising from the use of any data posted on this site. Another interesting thing in regards to speed. Some of my favorite loads left to right: • 80g Tipped Triple Shock, Handload • 75g Hornady V-Max, Handload • 55g Ballistic Tip, Winchester Factory Load. Re: 25 WSSM I've got a 243 WSSM AR for a match gun, the 1-10" twist pretty much limits you to 90 gr. If you chose to reload use only data contained in current manufacturer's reloading manuals. Nope. On the other hand, every load I tried with the 75 grain Hornady V-Max shot well. To view this Reloading Guide in a PDF format, click the red button below. My best load was H414 (or Win 760--same powder) with 95 gr Ballistic tips. It is vague and rather surprising, as well as frustrating, considering that most common calibers are in the public domain and readily available for anyone to mass produce. Nonetheless, this is the problem as I see it, and 243 WSSM is right smack dab in the middle of the mess. I think you made a great choice. By clicking the 'I Agree' button, I understand/accept and will agree to abide by the precautions and warnings outlined above. Re: 243 WSSM load data / 243 Win load data [ Re: bobnob17 ] #12172669 07/28/17 Joined: Nov 2013 : 2.200" G1 B.C. It is a little fickle to hand-load for however. He turned me over to the production manager and he never gave me a response which I took as a no. I need to look up the load data on the 243 wssm. As far as I can tell the 243 Win and 243 WSSM have the same case capacity. Wrong marketing and too many short mags to choose from all at the same time. 243 WSSM load data / 243 Win load data #12170479 07/26/17: Joined: May 2012. Hornady Manufacturing Company develops and publishes reloading data for the Handbook of Cartridge Reloading.Occasionally, we will temporarily publish load data on this page when a bullet becomes available and is not yet listed in the latest edition of the handbook. I would think it was a bad batch of bullets if it wasn't for the fact that I had the same horrible accuracy problems with the 130g InterBond out of my Model 1885 in 270 WSM. I like it a lot. They never take a step. Max Load Appr. They obviously build a 243 WSSM AR-15 platform, but they also build a .300 OSSM caliber too. Save that abuse for your recreational, competition, and fun range time with calibers that are more affordable to shoot. Read into that what you will, but it tells me that there could be some truth to this whole settlement agreement with Winchester which appears confidential. We have 223 WSSM for sale from great brands like Forster, Hornady, Lee, Lyman, RCBS, and Redding reloading products. It was also proven as a competition caliber in long range precision shooting before more modern fads and technology started edging in on its accolades. He has served in the Private Security Field for more than 15yrs., as a Certified Protection Specialist and Certified Master Anti-Terrorism Specialist, including the 2002 Winter Olympics, Presidential Security Detail Member with the President & First Family of Haiti, Int’l Celebrities and personalities related to his business in Aspen, CO. Later Security Services throughout Colorado & Caribbean, Firearms Training, Consulting and now overseeing custom design & builds of the AR15s & AR10s put out by VDC Armory, LLC. .243 WSSM ( Winchester Super Short Magnum ) Load Data Major manufacturer Olympic Arms was quick to recognize this high performance caliber and how it fits into the AR-15 platform. I still would like to get a few more rounds on paper with it to be sure but I haven't ever really had any accuracy issues with this bullet. A few people knew I was researching this article but in reality I doubt very seriously I had any influence and it was just good timing… Read more ». The 243 WSSM uses a shortened 300 Winchester Short Magnum case necked down to accept a .243” / 6mm diameter bullet. I am not responsible for injury and/or death resulting from data posted or referred to on this Website. The loads here are my goto sub minute-of-angle accurate hunting loads. The 243WSSM is next on the list. 243. Since it appears to me that the patent deals very oddly with a mathematical formula, rather than a specific, tangible thing one would build. The AR platform is next just as soon as we get some barrel blanks in. 240 Page Super Pouper? I'm still looking for a long range deer load (350 yards and beyond). AmmoLand Giveaway – 5,000 Rounds of CCI Blazer 9mm Ammo FREE! Which using AR platforms is just a quick change of an upper. Improved technology in propellants and the physics behind shorter, wider casings help boost performance. I reload for the 243 wssm and have killed about 3 or 4 deer a year with it…all shot in the neck…or higher. NSW Australia. I load it down and keep it under 55K psi for the AR. When a loaded AR-15 magazine is inserted and seated in the action, the cartridge alignment is such that it is more directly in line with the chamber and the feed ramps support the rest of the chambering. Reload only after proper instruction and in strict compliance with instruction and data contained in current manufacturer's reloading manuals. Powder of choice for 270, .30-06 and .338; Excellent metering ; Accurate and consistent in most medium caliber cartridges 243 Winchester Super Short Magnum - 70 grain Version 8.0 24" Wiseman 1-10" * = Most accurate load tested ** = Compressed load “ Because Nosler, Inc. has no control over the actual components selected, the manner in which they are assembled or the NSW Australia. It was expressed to me with surprise and frustration that the patent essentially locks up ALL Super Short Magnum calibers and not just one specific cartridge. I thought the Hornady 85 grain InterBond might be the ticket. The reason that I bought the rifle that I now want to toss into the nearest body of water, was that Winchester Arms touted it to be the best thing since sliced bread. It appears odd that the patent was even granted, since shouldered cartridges have been in the public domain for over a 100 years and nothing the patent protects is physically manufactured. I also believe the WSSM has higher chamber pressures so I get to some extent why the WSSM data seems to have higher velocities. Secondly, in order to get the best burn rates and pressures from any of the propellants used, it meant it usually was accompanied by high heat. I used Winchester WLRs for all loads save one, which was started by CCI-250 magnum caps, and all worked perfectly. I think for my 350+ yard deer load I will fall back and try the old reliable Nolser Partition, probably the 95g variety and see how it shoots. 223 WSSM Powder Minimum Maximum Charge (grains) Velocity (fps) Charge (grains) Velocity (fps) H4895 37.0 3846 42.0 4202 Varget 38.5 3819 43.5 4193 This consistent performance is what reloaders have come to expect from Alliant Powder - and Reloder 17 proves worthy. I like to keep my loads away from the highest pressures possible. I have some CCI mag primmers that I bought by mistake and was wondering if anyone has experiance with mag primmers in a 243? There is a parallel story I wanted to know more about too related to how the 6.5 Grendel came to mass production. Scotty would be surprised trying to get in the mancave I really need to stop looking at load data and get rid of this new 243 WSSM. 243 WSSM load data / 243 Win load data #12170479 07/26/17: Joined: May 2012. 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I asked a connection I know, who announced he would be hanging with Winchester at the Live Fire Day before SHOT Show 2016, if he could PLEASE ask Winchester what were the chances of getting some 243 WSSM in production… nothing, crickets. data … The .25 WSSM is much easier to hand-load for and, with the heavier bullets, puts out some serious energy. See my blog entry. Now, you don't really want to let it go until you are able to demonstrate how very accurate it can be and what a high stepping cartridge it is. If I won the lottery, I would order up 50,000 rounds of the stuff and get it into the market so I could start cranking out more 243 WSSM chambered AR-15s. While long range shooters and hunters were, and are, focused on traditional (bolt action) feed issues, the mechanical performance failings of the 243 WSSM are simply solved by introducing it into a modern sporting action. Posts: 1,705. For varmints I either use the 75 grain V-Max or the 55 grain Ballistic Tip Winchester factory load. Are all of these Bolt Action guns or are they ARs/Semi-Auto? *Recommended Powder C Compressed Load 1. inchester Powder Minimum Maximum Charge (grains) Velocity (fps) Charge (grains) Velocity (fps) Big Game 42.6 3445 47.4C 3770 H380 42.7 3470 47.5C 3723 This load is designed specifically for my single shot Model 1885 thus the COAL is longer than would fit in a magazine. Thanks. It also consistently shoots this load under an inch at 100 yards. Lee 243 WSSM Limited Production 2 Die Set includes a Full Length Sizing Die, Bullet Seating Die, Universal Shell Holder, Powder Dipper and Instructions/Load Data Pacesetter 2 Die Set Includes: • Full Length Sizing Die In fact, some of the references used in this formula patent are from ammunition designers who often put their work product freely in the public domain, benefiting firearms and ammunition makers along with shooters. Has any one got load data on the Hornady 95 gain SST for 243 Winchester? John selected the .243 Win because it offers excellent ballistics with manageable recoil. I understand they chrome lined the barrels of the first bolt action rifles put out but I never read about barrel erosion issues from any consumer. The .22-243 does it's best work with the same powders that give top performance in the Swift and WSSM. I really like this Superformance 80g Barnes Triple Shock load. 90 GR. I am sending a 120 grain bullet out of a 22" barrel on my AR at just under 3000 FPS. Mechanically speaking (read Late Breaking News (below) for detailed back story), what really torpedoed the chances of the 243 WSSM being well embraced, was how it interfaced with Bolt Action platforms. But you can’t find ammo for it, and when you do it is almost as expensive as the gun ! bobnob17 OP. The 243 WSSM uses a shortened 300 Winchester Short Magnum case necked down to accept a .243” / 6mm diameter bullet. 223 Remington 60-62 gr. A patent of that nature does not create anything, unless the applicant simply wants to earn dollars off the efforts of someone else who puts real skin in the game of their own. The other .243 WSSM factory load designed for hunting medium size game is a Super-X load that drives a 100 grain Power Point bullet (SD .242) at an advertised muzzle velocity of 3110 fps and muzzle energy (ME) of 2147 ft. lbs. TECHNICAL INFORMATION: Loaded with our 55, 70, or 80 grain Ballistic Tip® bullets, the 243 Winchester is a proven long range varminter. Then select your bullet weight, powder manufacturer and powder type. 243 WSSM ( Winchester Super Short Magnum ) Load Data. The 243 Winchester Super Short Magnum or 243 WSSM is a rifle cartridge introduced in 2003. It appears that for the greater good of the caliber’s sustainability and popularity, Alexander Arms and the caliber’s creators made a selfless decision to allow it available for mass production. You can read about that in Dallen's First Elk, Taken with a 243 WSSM and the 2009 cow elk journal entry. I would like to think an easy sunset occurs on this mess and we see a surge of renewed interest in 243 WSSM and potentially making way for other yet to be named Super Short Magnum creations. Technical Data World Class Powders & Ammunition We've been part of the Australian reloading community longer than you think. Superformance ® Varmint ammunition delivers muzzle velocity increases of 100 to 200 feet per second from EVERY gun. Find what you need in four easy steps. Consistently accurate from all three of my 243 WSSM rifles. The most suitable powders for the .243 WSSM are the medium burning 4064 and Varget for light varmint bullets while medium slow burners such as H4350 and IMR4350 are the optimum choice when loading 85 to 105 grain bullets. Namely, feed and function related issues. The 243 Winchester Super Short Magnum or 243 WSSM is a rifle cartridge introduced in 2003. I thought about going with the Olyimpic Arms 243 WSSM from Midway, but some of the reviews have turned me off on that idea. anyone out there that can enlighten/update the rest of us on the likelihood of the “sun-setting” of this patent? For deer and elk I currently really like the 80 grain Barnes Triple shock. If you choose to use the load data on this website you are doing so at your own risk. factory load as above with different rifle. As far as I can tell the 243 Win and 243 WSSM have the same case capacity. I tweeted at Winchester earlier in the summer and they told me there would be 243 WSSM brass later this summer. With data for two dozen powders, this provides suggested loads for Sierra’s entire 6mm bullet line-up from 55 to 107 grains..243 Win For Tactical Comps I hear nothing but great things about those production rifles. The overwhelming complaint expressed about this round was how hard it fed or failed to feed. I think there could be wide eyed masses of semi-auto shooters waiting for a round like this that they could affordably upgrade their ARs with and have a great hunting caliber available. I'm working on a load … Write a letter to them, write on their social media, get some friends to do the same, and make a call or two and let them know your looking for the ammo as well. You can get brass pretty readily from Hillbillybrass.com and so you should be able to reload all you want. Although such technical aspects are way above my head, I know they are important to the performance of Super Short Magnum cartridges. The .243 WSSM is essentially nothing but a .243 with a very short action and a skinny barrel. OP. I think it really is a “Must Have”, all around, screaming fast AR-15 Caliber. The Tipped Triple shock has done wonders on elk with the 243 WSSM but again, I'm not entirely comfortable with expansion past 350 yards. Never loaded for rifle (only handguns), have no rifle powder collection. Some people are saying cam over on your sizing die will fix it. going to start load testing for a new (to me) rem. Great for feral hogs also. It does amazing things to chucks and prairie dogs. No joke. With no comment on the 243 WSSM matter, they DID confirm that they are required to pay a royalty on all OSSM ammunition manufactured for their .300 OSSM rifles in order to comply with said patent requirements (PN  5,826,361) even though their rifles are not “Short Action”. Accuracy, increased range, flatter trajectory, less wind drift and devastating terminal results are all realized with Superformance ® Varmint ammunition.. Find a Retailer .243 WSSM / .243 Winchester Super Short Magnum (IMR Data) reloading data with 52 … One of these is a Supreme load using a moly coated 95 grain Ballistic Silvertip bullet (BC .379, SD .230) at a muzzle velocity (MV) of 3250 fps and muzzle energy (ME) of 2258 ft. lbs. Hence, no royalties! I’am thinking I might need a small base die which I can’t locate. Sub MOA. I would love, and I mean love, to see something like this happen with 243 WSSM so that more manufacturers would jump on this incredible caliber and get it into production and available in the market place. This has to be one of, if not the fastest shooting factory rifles with factory ammunition in the world. I'm feeling safe that this load is going into my 243 WSSM Handloads data. John says that, at least for a sling shooter, the .243 Win is hard to beat at long range. Not too long after that, they were sued for patent infringement. Abbreviations: (AV): Average Velocity (SD): Standard Deviation The author Norman Gray chronographing his .243 Winchester loads deep in the Arizona desert in the middle of summer. To maximize performance, the ballistics experts at Hodgdon Powder Co., Inc. have developed a comprehensive Reloading Guide to provide handloaders with current data for Accurate Powders. This is some of the load data I recieved from Berger 243 WSSM (COAL - 2.360" Barrel Length - 24") Bullet Powder Start Load Appr. A lot of modern technology helped it get its primary and supporting characteristics. Customers will get to personalize the lowers with furniture choices and any extra aftermarket finishes to the builds (like the custom Spartan Bronze or Spartan Steel cerakote or the Orion Design Group’s Lupus Camo pattern custom hydrodip). I tried four different powders and many different seating depths. JJ Sutton digs into the 243 Winchester Super Short Magnum round's history and the weird circumstances surrounding current production of the 243 WSSM round. Campfire Ranger. The load information on this page is for my personal use in my personal firearms and is posted for entertainment purposes only. I would be interested in speaking with Mr. Sutton regarding the perceived issues with feeding in the bolt guns. It easily can bring down a Bull Elk at 350yds (Youtube has shown us that). With cycling problems solved, it provides one of the highest velocity options in the AR-15 platform:  pushing a factory 55gr bullet a screaming 4,050+ fps muzzle velocity with a mid to long range effectiveness like never before. Incorrectly reloaded ammunition can cause serious personal injury and damage to the firearm due to excessive pressure. I have a ton of ammo and clean new brass to boot ………and a 2004/5 S/S Winchester Coyote to go with it….. whats the problem again ? Great Accuracy! The engineering of the Super Short Magnum maximizes science to get better performance. Improper reloading is dangerous. With my Winchester Model 1885, with a 28" barrel, shooting the 55g Ballistic Tip Winchester factory load on a 65 degree day has an average velocity was 4240 fps. Campfire Ranger. Winchester's purpose was to ensure that there would be ammunition on the market (and that's a good thing). This is analogous to Freeware in the software industry, or the fact the AK47 was never patented. WARNING: By viewing this page you accept the terms listed herewith. John Whidden of Whidden Gunworks used the .243 Winchester cartridge to win the 2017 NRA Long Range Championship, his fifth LR title at Camp Perry (and second in a row). First, the design of the magazine provides uniform tension on the cartridge from three sides: from the bottom, and from feed lips on each side. Jan 20, 2014 #4 Lefty7mmstw Well-Known Member. Awesome Accuracy! See target groups and more information on this load 95g Berger VLD load. Winchester created the 243 WSSM and introduced it in 2003. data [PDF] 5.56 NATO 60-62 gr. ... From what I have read they are worth the wait. Stay with me here. .243 WSSM / .243 Winchester Super Short Magnum (Hodgdon Data) reloading data with 178 loads. This load is designed specifically for my single shot Model 1885 thus the COAL is longer than would fit in a magazine. IMR 4064, IMR 4895, 55gn nosler BTs, win brass. It uses a .300 WSM (Winchester Short Magnum) case shortened and necked down to accept a .243in/6mm diameter bullet, and is a high velocity round based on ballistics design philosophies that are intended to produce a high level of efficiency. Their link is also in the article. Joined May 13, 2012 Messages 4,779 Location Dakota del norte. I personally think the 243 WSSM most excellent for varminting, small game, medium, and even some Big Game at the appropriate distances. The incredibly steep shoulders of the case from neck to fat magnum body meant it had a really hard time feeding in a bolt action platform. .243 WSSM (Winchester Super Short Magnum) - Manufacturer Loading Data. Same 80g TTSX load as above with different rifle. It boils down to politics. bobnob17. ATTENTION: New reloading data … A patent that anticipates no tangible physical item to be produced seems strange to me, and I don’t understand why a patent would be sought in such fashion other than to claim and hold that item for ransom. A Native Colorado resident & life time Hunter. This round is easy on recoil and hard on deer. It uses a.300 WSM (Winchester Short Magnum) case shortened and necked down to accept a.243in/6mm diameter bullet, and is a high velocity round based on ballistics design philosophies that are intended to produce a high level of efficiency. This is for a 90 grain bullet but at least it will give you a starting point. VDC Armory LLC ( www.vdcarmory.com ) is offering up to six custom 243 WSSM rifles, using hand lapped barrels from Accuracy Systems, Inc.. Only six will be available this year (2016).

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