Eligible for . Quantity: Quantity Limit of 0. Due to high demand and our desire to serve as many Customers as possible, we are currently limiting the quantity that each individual Customer may order. 243 Winchester Super Short Mag (WSSM) in 75 Grain V-Max-Hard to find, but we have you covered!! Winchester Super Short Magnum, or WSSM is a line of rebated rim bottlenecked centerfire short magnum cartridges introduced by the U.S. Some are upset because of the confusion, but others are delighted because of the options. Caliber/Gauge: 223 Winchester Super Short Magnum More Filters . Would you like to visit Browning International? Load Data 25 Winchester Super Short Magnum Load Data. The photo below does a great job of showing the differences in external … To understand how such matters came about, it is necessary to study the history of the Winchester brand. 300 Win Short Mag ammunition for sale. 243 Winchester Super Short Magnum (WSSM) 224 Weatherby Magnum; 375 Weatherby Magnum; 505 Gibbs; 348 Winchester; 308 Norma Magnum; 376 Steyr; 405 Winchester; 275 Rigby; 32-40 Winchester; Price. Winchester's high quality, durable brass can be reloaded several times. 223 Winchester Super Short Magnum Rifles For Sale. Although we are currently not manufacturing any rfiles in WSSM calibers, many past Browning rifles were. In 2003, with inspiration from high-velocity benchrest cartridges like the 6mm BR and 22 PPC, the 223 and 243 Winchester Super Short Magnums (WSSM) were introduced. https://en.wikipedia.org/w/index.php?title=.243_Winchester_Super_Short_Magnum&oldid=986743601, Winchester Super Short Magnum rifle cartridges, Articles with dead external links from September 2018, Creative Commons Attribution-ShareAlike License, This page was last edited on 2 November 2020, at 19:13. The SXR is a somewhat more basic variation on the Euro-trash styled Browning ShortTrac (short action) and LongTrac (long action) autoloading rifles. Don't give up and good luck shooting the excellent WSSM calibers. 222 Rem. Comes with Vortex 3-15x42 scope. It may take some time, but it is an effective way to locate ammo and brass at the exact time it becomes available. Load Data 25 Winchester Super Short Magnum Load Data. The 243 Winchester Super Short Magnum or 243 WSSM is a rifle cartridge introduced in 2003. 25-35 Winchester New Unprimed Brass . 6.5 Winchester Short Magnum Rifle | Special Edition Fall 2019. Fast-forward a decade and you’d see the great firm of Winchester as busy as a beehive, hard at work releasing the .17 Winchester Super Magnum (WSM). This allows WSSM rifles an accuracy advantage, plus they come to the shoulder quicker and with a lighter barrel overal weight is reduced so they are easier to carry. .223 WSSM (WINCHESTER SUPER SHORT MAGNUM) For those enthusiasts who have a need for velocity and stopping predators dead in their tracks, this caliber is an enticer for sure! Your browser is out of date and may not be able to properly display our website. The barrel has a polished blue finish, and the wood parts have a satin finish. Product Types [-] Long Guns (3) Rifles (3) Caliber/Gauge (ALL) 223 Winchester Super Short Magnum. Why the hell would I want that? A few weeks ago a writer queried me on an article comparing the .25 WSSM with the .25-06. The best advice we can give you is that when you find the right caliber WSSM ammo for your rifle, buy what you will need for several years. Compared to other factory 6mm sporting cartridges the 243 WSSM is capable of functioning in the AR-15. Where can I find WSSM rifles today. There are several reasons for this happening. The super short receiver. In the meantime, when you find some WSSM ammunition for your rifle, buy it and enjoy the excellent performance it provides. New, unprimed brass. 243 wssm for sale and auction. 300 Win Short Mag ammunition for sale. 3. see more. We have been told that WSSM ammunition can sometimes be difficult to find, and we know this personally. The correct name for the cartridge, as listed by the Sporting Arms and Ammunition Manufacturers' Institute (SAAMI), is 243 WSSM, without a decimal point. ** Description: Manufactured for only 3 years between 2003 and 2006, the Winchester Model 70 Super Shadow rifle is a somewhat scarce Model 70 variation. WSSM calibers were popular in the early 2000s. Illustration courtesy of U.S. Chambered for 223 Winchester Super Short Magnum is Not offered at this time. 17 Rem Fireball. And clearly the performance speaks for itself as much today as it did over a decade ago. The two-tone walnut is very aesthetically pleasing. The evolution continues for the Winchester Super Short Magnum line. Winchester.25 WSSM: 85: 4m57s: Winchester Ballistic Silvertip Varmint Ammunition 25 Winchester Super Short Magnum (WSSM) 85 Grain Fragmenting Polymer Tip Box of 20 020892214552-brass $52.99: 20: $2.65 By Chuck Hawks. In the course of developing new rifles and incorporating new calibers, occasionally we produce rifles in a certain caliber, and then, after a few years, there will be a pause (or even an end) in production of rifles in that caliber. It uses a .300 WSM (Winchester Short Magnum) case shortened and necked down to accept a .243 in/6mm diameter bullet, and is a high velocity round based on ballistics design philosophies that are intended to produce a high level of efficiency. 243 WSSM – The Long-Awaited 6 mm "Answer"? 5.56x45 NATO. Browse our large selection of in stock ammo, 7mm WSM Winchester Short Magnum ammo and most popular calibers and brands, including Underwood ammo, Federal ammo, and Hornady ammo. Because of this, a super-short action size was designed for the Browning's A-Bolt II rifle. Test barrel length: 24"Source(s): Hodgdon 1 The .223 WSSM (Winchester Super Short Magnum) is a .224 caliber rifle cartridge created by Winchester and Browning based on a shortened version of the Winchester Short Magnum case. 22 Caliber.224” Diameter. Leupold bases and rings. [1] The percentage gain in performance over the older .243 Winchester is around 10% or less. The shorter receiver also reduces overall weight which is why WSSM calibers often make very versatile mountain rifles. The round was designed in 2004 as a combination effort between both Winchester and Browning. In 2003 Winchester introduced a line of Super Short Magnum (WSSM) cartridges, starting with the.223 WSSM and.243 WSSM. The super-short action is not only shorter; it’s also stiffer, quicker to cycle and lighter. ... Winchester Model 70 Super Grade - 7mm Rem Mag - AWESOME WOOD!! They are less prevalent today, but still offer exceptional performance. 300 Win Short Mag ammunition for sale with free shipping on bulk ammunition orders available only at Target Sports USA. Caliber/Gauge: 223 Winchester Super Short Magnum More Filters . 223 Winchester Super Short Magnum Rifles For Sale. Thus 243 WSSM rifles can be lighter, have stiffer actions and have faster actions to cycle. Second, ammunition may become less available due to lack of demand from the ammunition makers or other market forces (such as high demand for other calibers, like seen in the early 2010s where many calibers were hard to get. Ballistic Tip Varmint Bullet. Also, because the burn is so efficient, a shorter, stiffer 22" barrel can be used and still achieve high velocities. Introduced in 2003 the.223 and.243 WSSM cartridges were created by Winchester as an attempt to inspire shooters interests in the latest ballistics technology. 17 Caliber.172” Diameter. 20 Caliber.204” Diameter. ... Winchester Super-X Power Max 300 Winchester Short Magnum … I first saw the new Winchester SXR rifle at the 2006 SHOT Show. The best selection of hunting, self defense, target, shooting, practice, plinking, surplus, jacketed hollow point/JHP, full metal jacket/FMJ, and frangible Winchester ammo - buy 1000 rounds or more. As of the first half of 2016, Winchester/Olin did manufactured and release for sale some WSSM ammunition. 222 Rem Mag. The most recent and largest caliber member of the WSSM family, the 25 WSSM epitomizes the “short mag” and “super short” philosophy. Two years later, the entire line of WSSM rifle production was discontinued, disappearing into obscurity. Winchester and Browning designed the case .300 WSM to accept a .224 caliber bullet. The WSSM is a Hollywood turn on cartridge design: Find a good idea and keep rehashing it. Sometimes more. Morgan UT 84050 it was a rainy day, but the good news was the range was empty..i really like the 223 winchester super short magnum.i was shooting 70gr hunting bullets. Rifle Cartridges. Find your best price for 25 WSSM Ammo | Bulk 25 WSSM Ammunition - AmmoSeek.com Search Engine 2021 Tube Mount Winchester Model 70 Winchester Short Magnum One Inch $ 41.83 (0) Replacement Trigger for Winchester Model 70 Bolt Action Pre & P ... WINCHESTER M70 SUPER GRADE 7MAG Stainless Steel 26 $ 1,325.00 (0) ... J-20 Slip-Top Boxes .270 to .375 Magnum Red One Browning Place 22 Hornet. We carry 300 Win Short Mag ammo from top brand ammo manufacturers such as Federal, Remington, Winchester, Hornady, PMC and others. 17 Rem. Pricing for low production ammunition is not as volatile as other ammo, so you are unlikely to save money by waiting for a "deal" sometime in the future. NOSLER RIFLES. Free floating and glass bedded barrel with a recessed crown. [2] The correct name for the cartridge, as listed by the Sporting Arms and Ammunition Manufacturers' Institute (SAAMI), is 243 WSSM, without a decimal point. Having seen the success of Hornady cartridges, Winchester created a cartridge based on, of all things, the .27-caliber nail gun blank — used for driving nails in concrete and other hard surfaces. Best known for time-proven dependability, the rounds offered include a hollow point and lead core for rapid expansion on game, as well as a thin-wall jacket, which reduces engraving forces for improved … To ensure feeding reliability, the WSSM cartridges, with their short 2.36" overall length, necessitate a shorter action. Repeating Arms Co., Inc. Great flat and fast shooting rifle producing over 4000 fps with factory loads. The new speedy cartridge is based on—of all things—a .27-caliber nail gun blank. Winchester Super Short Magnums occupy a unique place in the history of high-performance calbier development. 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 ballisticsdesign philosophies that are intended to produce a high level of efficiency. 20 Caliber.204” Diameter. The super-short action is not only shorter; it’s … With an equivalent bullet loaded to SAAMI maximum overall cartridge length, the 25 WSSM case has over 20% less capacity than the 25-06 Remington. 17 Caliber.172” Diameter. To understand how such matters came about, it is necessary to study the history of the Winchester brand. from to. The 243 WSSM is an addition to the Winchester Super Short Magnum (WSSM) family of cartridges, which also include the .223 WSSM and the .25 WSSM, and the idea behind the 243 WSSM was to develop a compact, higher velocity version of the well-established and internationally popular .243 Winchester unveiled by Winchester in 1955. There are so many different rifle cartridges that there is no tangible reason to add expense and trouble by working with a wildcat, but the intangibles attract us.. Rick Jamison. It is based off the .300 Winchester Short Magnum cartridge and has a 1:10 twist with a large rifle primer. Even some fairly established calibers were scarce. The parent case comes from a shorted version of the .300 Winchester Short Magnum cartridge. With most WSSM-chambered rifles, the action was also super short which resulted in a very tight, stable receiver, which some believe increases accuracy. [1] It is a further development of the Winchester Short Magnum concept utilizing smaller … Consistent case-to-case weight and capacity delivers outstanding accuracy. The Winchester Ballistic Calculator allows you to select your Winchester product and view the real trajectory from that product. Cartridge: 25 Winchester Super Short Magnum (WSSM) View Important Delivery Info. Repeating Arms Company (Winchester Inc).1 It is a further development of the Winchester Short Magnum concept utilizing smaller bullets, but of a still higher velocity. 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. Buy in stock Winchester ammunition online. 22 Caliber.224” Diameter. The 243 Winchester Super Short Magnum or 243 WSSM is a rifle cartridge introduced in 2003. The .223 WSSM (Winchester Super Short Magnum, 5.56×42mm) is a .224 caliber rifle cartridge created by Winchester and Browning based on a shortened version of the Winchester Short Magnum … Cartridge Type: Rifle Height: 1.67" Width: 0.544" Average FPS: 3766 Average Energy: 1826 Average Gr: 58 Recoil: 0.95 Power Rank: 2.18 of 20 The .223 Winchester Some shooters are confused about Winchester’s 300 magnums. As in the beginning, Winchester remains the primary source of WSSM ammunition production. The .243 Winchester Super Short Magnum (.243 WSSM) was designed in 2003 by Browning and Winchester. Demand is the only reliable way to encourage more production. Best, cheap, bulk Winchester ammo for sale. The 243 Winchester Super Short Magnum or 243 WSSM is a rifle cartridge introduced in 2003. Olympic Arms produced their first.243 WSSM production rifle in 2004 and included production models in their 2005 catalog. Browning .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 mean, these cartridges are really fat relative to the .555-inch head diameter of the case on which they're based. Fired approx 100 rounds. Winchester Unprimed 25 WSSM (Winchester Super Short Mag) Rifle Reloading Brass - 50 Count - Winchester's unprimed shellcases for rifles are engineered to precise tolerances to ensure smooth-feeding and positive chambering. The race has already clearly been won by the .25-06. 25-06 Remington New unprimed Brass . Second, be sure to buy it when it is available. The SXR is a somewhat more basic variation on the Euro-trash styled Browning ShortTrac (short action) and LongTrac (long action) autoloading rifles. In 2004 they announced the.25 WSSM. All of these are based on the WSM case shortened to a length of only 1.65" and a COL of 2.36". Manufacturer. Comes with loaded rounds and … But the gap in production can last years. 221 Rem Fireball. But the advantages of a short, stout rifle action combined with extreme velocities from a very small package can be very appealing to those who love shooting longer distances with extremely flat trajectorys. 225 Win. Firearm Type (ALL) Firearm Capacity (ALL) … Product Types [-] Long Guns (3) Rifles (3) Caliber/Gauge (ALL) 223 Winchester Super Short Magnum. 25 Winchester Super Short Magnum Load Data. The 243 WSSM is 3⁄8 in (9.5 mm) shorter than the 243 Win, giving the 243 WSSM the ability to fit in a super-short action rifle. 223 Rem. Firearm Type (ALL) … Comes with Vortex 3-15x42 scope. There are so many different rifle cartridges that there is no tangible reason to add expense and trouble by working with a wildcat, but the intangibles attract us.. Rick Jamison. 223 Winchester Super Short Magnum HandLoading & Reloading Components: 22 CALIBER NOSLER BULLETS . Winchester Model 70 Winchester Short Mag. .25 WSSM (Winchester Super Short Mag) ammo rifle AmmoSeek.com Comparison shop for in-stock ammunition, guns, mags, and reloading at the … 3. see more. What are the main reasons for this performance? 1 History 2 Controversy 3 Advantages 4 See also 5 References 6 External links The .223 WSSM was introduced in 2003 by the Browning Arms Company, Winchester … Since 1922, Winchester Super-X Ammunition has Provided Exceptional Quality and Outstanding Performance For decades, hunters and shooters have relied on Winchester Super-X rifle ammunition. [5] Based on Hodgdon reloading data typical velocities should range from approximately 4,000 ft/s (1,200 m/s) with a 58-grain (3.8 g) bullet to approximately 3,000 ft/s (910 m/s) with a 100-grain (6.5 g) bullet. Tube Mount Winchester Model 70 Winchester Short Magnum One Inch $ 41.83 (0) Replacement Trigger for Winchester Model 70 Bolt Action Pre & P ... WINCHESTER M70 SUPER GRADE 7MAG Stainless Steel 26 $ 1,325.00 (0) ... J-20 Slip-Top Boxes .270 to .375 Magnum Red 25 Winchester Super Short Magnum Load Data. 1 History 2 Advantages 3 Disadvantages 4 Cartridge Family 5 See also 6 References 7 … This is not loaded ammunition. And do not be afraid to click "alert me when available" when shopping the online resellers. .300 Weatherby Magnum.300 Winchester Magnum.300 WSM (Winchester Short Magnum).308 Marlin Express.308 Winchester.30 - 30 Winchester.32 H&R Magnum.327 Federal Magnum.325 WSM (Winchester Short Magnum).338 - 06.338 Federal.338 Lapua Magnum.338 RCM (Ruger Compact Magnum).338 Winchester Magnum; 9 mm Browning court; 9 mm Luger.38 Super Auto.350 Legend A decade after the introduction of the .17 HMR, Winchester threw its hat in the .17-caliber rimfire ring with the release of the .17 Winchester Super Magnum. This cartridge is usually used for small game such as varminting, and used for animals as large as deer. The 243 WSSM was first introduced in 2003. I first saw the new Winchester SXR rifle at the 2006 SHOT Show. The short, fat shape of the WSSM cartridges produce a more uniform powder burn, providing consistent shot to shot velocity and better accuracy. 17 Rem. This will not be an overnight process. That is fine for some. 300 WSM vs 300 Win Mag. For those who have an existing WSSM-chamberd Browning rifle, this information below can be interesting. In 2004, the .25 WSSM will be the latest "short-fat" cartridge to roll off assembly lines and onto dealer's shelves. Loaded for 223 Winchester Super Short Magnum is Not offered at this time. According to Winchester Ammunition, the high efficiency of the "short-fat" design improves the interior ballistics of the cartridge. 300 WINCHESTER SHORT MAGNUM AMMO. Winchester Super Short Magnum, or WSSM is a line of rebated rim bottlenecked centerfire short magnum cartridges introduced by the U.S. Tasco world class ( Japanese) 4-16x40 AO scope. Two years later, the entire line of WSSM rifle production was discontinued, disappearing into obscurity. In their ballistics tables, Winchester list a very high muzzle velocity of 4,060 ft/s (1,240 m/s) with a 55-grain (3.6 g) projectile for this cartridge. It uses a .300 WSM (Winchester Short Magnum) case shortened and necked down to accept a .243 in/6mm diameter bullet, and is a high velocity round based on ballistics design philosophies that are intended to produce a high level of efficiency. Rifle is used in good condition with some wear. 6.5 Winchester Short Magnum Rifle | Special Edition Fall 2019. Illustration courtesy of U.S. The cartridge is a member of the Winchester super short magnum line. Bolt action rifle, made in Short Rifle (Carbine), Standard, Featherweight, Magnum, Varmit, Super Grade or Match versions. With an equivalent bullet loaded to SAAMI maximum overall cartridge length, the 25 WSSM case has over 20% less capacity than the 25-06 Remington. Sell your 243 wssm for FREE today on GunsAmerica! To ensure feeding reliability, the WSSM cartridges, with their short 2.36" overall length, necessitate a shorter action. As in the beginning, Winchester remains the primary source of WSSM ammunition production. As we understand, production of WSSM calibers is done only on a periodic basis. The Winchester Super Shadow Model 70 was very popular for many years and can still hold … Although not as commonly found as in the years when they were originally announced, they still remain popular with devoted hunters who appreciate the advantages of a flatter trajectory. Winchester Super-X 223 Winchester Super Short Magnum Ammo 55 Grain Jacketed Soft Point ammo review offers the following information; In 1873, less than a decade after the Civil War and when Westward expansion was in full gallop, Winchester introduced the first successful centerfire cartridges. 22 Hornet. 25 Winchester Super Short Magnum New unprimed Brass . If this happens, the caliber may be out of production for a few years and then may appear in the future in a special run or edition. Buy a 243 wssm online. Rifle Cartridges. A comparison of the 243 WSSM with 243 Winchester (second from left) and with 22-250 and 223 Remington (far right). The first rifle on our list of best .300 Win Mag rifles is the Model 70 Super Grade from Winchester. 256 Winchester Magnum New Unprimed Brass . Winchester Super Short Magnum. The 243 WSSM's case is unusually short and fat in profile, contrasting markedly with most other rifle cartridges, and is intended to take advantage of what ballisticians have shown is the more uniform and efficient burning of propellant powder when it is held in a short, fat stack by the cartridge case.[4]. Winchester has d… Feel free to contact the ammunition makers through their web pages or Facebook pages. By Chuck Hawks. 5.56x45 NATO. [3] Winchester has discontinued the manufacture of 243 WSSM ammunition. 25-20 Winchester New unprimed Brass . In 2004 Winchester announced the introduction of a third cartridge to be added to their Super Short Magnum line, the.25 WSSM. We have a wide collection of quality ammunition for handgun ammo, rifle ammo, shotgun ammo & rimfire ammo, including a full line of 7mm WSM Winchester Short Magnum. Read the side-bar on this page for an explanation. This basic concept resulted in muzzle velocities of approximately 4,000 fps with the 223 WSSM with some loadings and close to that with some 243 WSSM loads. [7], The 243 WSSM gives generally a 10% increase in velocity over the 243 Win.[8]. First, popularity of the caliber may have subsided. 204 Ruger. The 25 WSSM uses the 300 WSM case as its parent case, necked down to accept a 25 caliber projectile. Winchester Super Short Magnums occupy a unique place in the history of high-performance calbier development. Winchester Model 70 Super Shadow Rifle in 7mm Winchester Short Mag ** Superb Deer Rifle! The super short receiver. Although we are currently not manufacturing any rfiles in WSSM calibers, many past Browning rifles were. 22 PPC-USA. Once again (for many of us), the way we hunted, shot and perceived magnum calibers changed. [6] Other factory produced 6mm cartridges like the 243 Win and 6mm Rem are both too long for the AR-15 and require the AR-10 platform. 17 Rem Fireball. 25 ACP New unprimed Brass . I mean, these cartridges are really fat relative to the .555-inch head diameter of the case on which they're based. Brands like and Winchester. In this article, I’m going to do a detailed analysis of the 270, 7mm, 300, and 325 Winchester Short Magnum cartridges and compare them to the .270 Winchester, the 7mm Remington Magnum, the .300 Winchester Magnum, and the .338 Winchester Magnum in an effort to answer the above questions and parse out the their true strengths and weaknesses so you can make an informed decision regarding … With today's optics, many long range shooters are leaning to the slower, larger bullets that can be dialed in on a high-performance scope. Maybe we can clear some confusion if we take a hard look at the old 300 Winchester Magnum and the newer 300 Winchester Short Magnum to gain a clearer understanding of what they do. 222 Rem. It appears that you are accessing the Browning Website from outside North America. 20 Nosler. 222 Rem Mag. 300 Win Short Mag ammunition for sale with free shipping on bulk ammunition orders available only at Target Sports USA. 250 Savage New unprimed Brass . 300 WINCHESTER SHORT MAGNUM AMMO. Winchester Reloading Brass is manufactured to extremely tight tolerances to ensure smooth feeding and positive chambering. How can those who enjoy shooting Winchester Super Short Magnum calibers get more ammunition into the pipeline? This caliber is a screamer with attitude! Designated as the .223 and .243 WSSM (Winchester Super Short Magnums), both are kind of like grown-up versions of the .22 and 6mm PPCs. Cartridge Type: Rifle Height: 1.67" Width: 0.544" Average FPS: 3198 Average Energy: 2228 Average Gr: 86 Recoil: 1.37 Power Rank: 2.55 of 20 The The product is only manufactured periodically, often on inconsistent intervals. These calibers took the groundbreaking short magnum concept — which originated with the 300 Winchester Short Magnum — one step further, becoming the hottest, highest velocity production cartridges available. Numbers of WSSM ammunition produced are very small compared to other calibers. Even finding brass can be a huge task as some of us here at Browning continue to shoot our WSSM rifles and experience this. 223 Rem. In 2004 Winchester announced the introduction of a third cartridge to be added to their Super Short Magnum line, the .25 WSSM. Currently the WSSM caliber line is not in production in any Browning rifle. Add to Cart The .223 Winchester Super Short Magnum (.223 WSSM) was designed in 2002 as a hyper velocity round. 243 Winchester Super Short Magnum New unprimed Brass . Repeating Arms Co., Inc. 20 Nosler. 204 Ruger. Sporting Arms and Ammunition Manufacturers' Institute. 25 WSSM ammo is also known as the 25 Winchester super short magnum. Winchester Model 70 Winchester Short Mag. Designated as the .223 and .243 WSSM (Winchester Super Short Magnums), both are kind of like grown-up versions of the .22 and 6mm PPCs. The distribution of the ammunition to dealers is very thin -- which means you won't find it everywhere and, in fact, you will probably find it only at the most specialized gun shops and periodically online from the large ammunition resellers. Winchester BALLISTIC SILVERTIP.223 Winchester Super Short Magnum 55 grain Fragmenting Polymer Tip Brass Cased Centerfire Rifle Ammunition $44.99 $2.25/Round Winchester BALLISTIC SILVERTIP 7mm Winchester Short Magnum 140 grain Fragmenting Polymer Tip Brass Cased Centerfire Rifle Ammunition $62.99 $3.15/Round 225 Win. Introduced in 1935 but not sold until 1937 starting at S/N 1 and made to up 1963 at S/N 581,471 for the pre-64 versions. Repeating Arms Company (Winchester Inc). 800-333-3288 | 801-876-2711, Obsolete Browning Firearms Parts and Service, X-Bolt 300 Win Mag Magazine Service Bulletin. 221 Rem Fireball. 22 PPC-USA. There are only two ways. A list of modern browsers is below; simply click an icon to go to the browser’s download page. When they get some, they will e-mail you. First, encourage the ammunition makers to produce more WSSM ammunition. The most recent and largest caliber member of the WSSM family, the 25 WSSM epitomizes the “short mag” and “super short” philosophy. Winchester Unprimed 25 WSSM (Winchester Super Short Mag) Rifle Reloading Brass - 50 Count - Winchester's unprimed shellcases for rifles are engineered to precise tolerances to ensure smooth-feeding and positive chambering. Compare up to 4 Winchester products and see how they compare. During the design phase of the.223 WSSM, it was found that the original 1:12 twist rate would not stabilize the 64 grain PowerPoint bullet. The impressive speeds of the WSSM are achieved by putting a lightweight bullet on top of a short, fat, high-volume case. Because of this, a super-short action size was designed for the Browning's A-Bolt II rifle. WSSM - Winchester Super Short Magnum A unique level of performance. The 243 Winchester Super Short Magnum or 243 WSSM is a rifle cartridge introduced in 2003. This bolt action rifle is extremely sleek looking, with classic walnut styling with an ebony forearm tip. The .223 WSSM (Winchester Super Short Magnum, 5.56×42mm) is a .224 caliber rifle cartridge created by Winchester and Browning based on a shortened version of the Winchester Short Magnum case. Bore and rifling are in good condition.