In fact, ballistically it's almost identical to the improved version of the .257 Roberts, which P.O. 50 factory new WINCHESTER #WSC25WSSU unprimed 25 WSSM (25 Winchester Super Short Magnum) brass rifle cases.. History: Introduced in 2004 with the concept of doing what the 25-06 Remington in a shorter, lighter rifle. FYI- An accurate load requires a bullet with the proper consistent case neck tension which leads to more constant pressures and velocities. Ballistics shine as well. Jan 27, 2014 #2 I have two rifles chambered in 25 WSSM. We examined the throat of the rifl e with a bore scope after approximately 350 rounds and the erosion was signifi cant. The .25 WSSM is a true mini powerhouse. Unlike the other WSSM rounds, the .25 is a magnum in name only, based on the case it uses. My Account My Orders My Address Book My Password. Will run the factory stuff thru the chrony for a starting point. Read the side-bar on this page for an explanation. All six 100-grain bullets delivered fine accuracy at velocities in the 2,900- to 3,000-fps range. Like other WSSM cases, the .25 is short and fat, which is designed to be more efficient. [3] The 25 WSSM provides the same performance as the 25-06 Remington, with the advantage of having lighter short action rifles. It is the largest caliber of the WSSM line (excluding wildcats) and is the most capable of handling large game such as deer and wild boar. Having the short fat design, the cartridge loads burn at a more consistent rate, providing a higher level of accuracy. The .25 Winchester’s maximum pressure is also higher than the .250 Savage, .257 Improved Ackley and the .25-06 Remington. #1397385 - 10/22/09 10:17 PM Re: .25 WSSM accuracy [Re: knockemdown] BohunterNY Seasoned Member Registered: 05/01/07 Posts: 445 Loc: Central NY That's as far as I could ever ask of 'lil 75 gr. A little hair, blood, and dirt from the hog. It is a necked-up version of the .243 WSSM, which is in turn a shortened .300 WSM (Winchester Short Magnum). Performance wise it is a clone of the .25-06 Remington, making it well suited for medium to large game. Winchester's .25 WSSM Model 70. According to the Sierra Infinity ballistics program, the Barnes bullet should drop 1.69 inches at 300 yards if it is sighted 2.50 inches above aim at 100 yards, but the bullet actually hits 2 inches high at 300 yards with that sight setting. Cartridge Type: Rifle Height: 1.67" Width: 0.544" Average FPS: 3155 Average Energy: 2387 Average Gr: 108 Recoil: 1.57 Power Rank: 3.41 of 20 The .25 Winchester Super Short Magnum (.25 WSSM) was designed in 2004 by Browning and Winchester. Being a short, fat case the .25 WSSM delivers more accuracy and is more efficient than the 25-06. The WSSM cartridges are based on ballistics design philosophies that are intended to produce a high level of efficiency. I will however try your 4831 load as I have never used anything slower than 4350 in my 25WSSMs. 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. If preferred accuracy is not obtained, we certainly recommend trying another powder, for the powder type and charge greatly affects the overall accuracy of each individual firearm. The .25 Winchester Super Short Magnum is a third member of the Winchester Super Short Magnum (WSSM) cartridge family created by Winchester and Browning. 25 WSSM load data. The short fat case design is designed to be a high volume case that imparts a uniform powder burn which yields excellent accuracy and produces very high velocity. After watching this video I noticed the cloud of hog matter hit the air after the shot. Buy 200-300 brass which should be a lifetime supply. Given the initial lack of consumer acceptance, the development of short magnums languished after 1966. That turns the .25 WSSM into a .257 Roberts - well, maybe that's not such a bad thing.. 05 September 2012, 17:37. srose. .25 WSSM / .25 Winchester Super Short Magnum (Hodgdon Data) reloading data with 100 loads. Gold $$ Contributor. However, in the last. It is worth noting that the 6.5mm Mag. The .25 WSSM’s velocities are from my early handloads for the cartridge. I too am a big fan of the 25 wssm. TX, The reason is because it shoots so well and has easy bolt lift. The .25 WSSM with an 85-grain bullet reaches a muzzle velocity of 3,470 fps (1,058 m/s) and muzzle energy of 2,273 ft-lbs (3,082 Joules). The .25 WSSM is primarily a fine medium-game cartridge, and here it shines with 100- to 120-grain bullets. I remembered reading an article on the wssm cartridges, the author mentioned bumping the shoulders just a little more to eliminate what he called the wssm sticky bolt. The.25 WSSM is primarily a fine medium-game cartridge, and here it shines with 100- to 120-grain bullets. TZaun. As previously stated, this cartridge is ideal for youths in a most unique manner. Bulk Ammunition on sale, including 25 WSSM Rifle Rounds. When Winchester started making Model 70s again in South Carolina in 2008, the Super Short action was noticeably absent. Thanks Knockem! U.S. Thanks for the heads up. It is a necked-up version of the .243 WSSM,[1] which is in turn a shortened .300 WSM (Winchester Short Magnum). Author: John Haviland / Wolfe Publishing Co. You must be a subscriber to see the full article. SKU: 25WSSM-High-end Categories: 25 WSSM, All Ammo. What is the go to powder for this caliber? Extreme accuracy and extreme terminal fragmentation mean you can make short work of pest animals! Gold $$ Contributor. Velocities are right in there with the .257 Improved Ackley. The cartridges supposedly rapidly burned out barrels and jammed when they made the jump from a rifle’s magazine to the chamber. I used that flat trajectory to kill a pronghorn at 390 yards on a day of howling wind in Wyoming. The bullet was recovered under the skin on the off-side of the buck, and it had expanded perfectly and still weighed 100 grains. Brass will be Norma WSM brass reformed to WSSM, Hodgdon Extreme smokeless powder, Fed 210M primer (match), and … History. Production of Model 70 rifles in WSSM calibers abruptly ended when Winchester closed its plant in New Haven, Connecticut, in 2006. The .25-06 has between 80 and 100fps (24 to 30 m/s) in its favor but to do so, it must be chambered in a long action with a 24" barrel, ideal for adults but not for the very young. Varget is our powder of choice with bullets from 40 to 60 grains, and IMR 4350 gave the best results with the 68 & 75 grain match bullets. Google ".25 WSSM brass". 25 WSSM- High-end Bullet $ 232.00. Find 25 WSSM Ammo for sale, in-stock and ready to ship at Ammo Freedom. The WSSM cartridges are based on ballistics design philosophies that are intended to produce a high level of efficiency.[2]. In performance it is quite similar to the old .257 Roberts Improved wildcat, and slightly inferior to the .25-06 Remington, especially with heavy bullets. This cartridge is hard on barrels. The new super-short action of the rifle also maximizes accuracy potential. 06 September 2012, 01:38. Our goal is to maintain a constant supply of 25 WSSM Brass in stock! The 120-grain, controlled-expansion bullets are for larger game. Being a bit of a fanatic about .25-caliber cartridges, I was more than slightly interested in Winchester Ammunition’s announcement in 2004 of its .25 Winchester Super Short Magnum (WSSM). You can assume you will get at least 10 reloads apiece during your life (although you will probably get 20), probably more if you anneal the necks every five reloads. Thread starter FTRinTexas; Start date Jan 27, 2014; FTRinTexas. It cannot be denied, however, that the petite Winchester Model 70 Classic Featherweight rifle offered in .25 WSSM is a very cute hunting rifle. 243 Win Super Short Magnum (WSSM) Load Data; 240 Weatherby Magnum Load Data; 250-3000 Savage Load Data; 257 Roberts Load Data; 257 Roberts Ackley Improved Load Data; 25 Winchester Super Short Magnum Load Data; 25-06 Remington Load Data; 257 Weatherby Magnum Load Data; 6.5 Grendel Load Data; 6.5 Creedmoor Load Data; 6.5 X 55 Swedish Mauser Load Data A thorough explanation of the collapse of Winchester rifle production can be found in the .25 WSSM history text. Description Description. In 2004 Winchester released the .25 WSSM, then in 2006, the company folded. Ammunition is a bit tougher to find. We are now offering 243 and 25 WSSM ammo. - Browning, https://en.wikipedia.org/w/index.php?title=.25_Winchester_Super_Short_Magnum&oldid=986744961, Winchester Super Short Magnum rifle cartridges, Creative Commons Attribution-ShareAlike License, This page was last edited on 2 November 2020, at 19:22. Like its predecessors (.223 WSSM and .243 WSSM), the .25 WSSM is reported to have equal exterior ballistics of longer cartridges of the same caliber. The loss of a patent infringement lawsuit on the design of the short magnum case also resulted in companies having to pay a royalty on any Winchester Short Magnum and Super Short Magnum ammunition and rifles they sold. was 2.370" with the 100 tsx load and I ended up seating it a bit deeper to 2.362" so I wouldn't have to remove to much material in the front of my magazine. I am sure arguments can be made against this next statement, but the introduction in 2003 of the .243 WSSM (Winchester Supper Short Magnum) gave the round about a 10% boost in key performance areas of velocity, accuracy and effective Range. This ammo is made with reformed WSM brass, necked down and sized to WSSM specifications. The .25 WSSM is new. NEW! This is unfortunate, because the .25 WSSM is an excellent cartridge. A very few AR-type rifles are the only ones currently chambered in .25 WSSM. All the magazines for the 25 wssm are the same in all the different model of a-bolt rifles. Out of stock. Winchester Ammunition's 2004 Product Guide lists three factory loads for the .25 WSSM. These include an 85 grain Ballistic Silvertip bullet at a MV of 3470 fps and ME of 2273 ft. I decided to answer a subscribers questions on the difference between the 25 caliber rifles. I said that my C.O.L. Unlike the other WSSM’s, the .25 can be loaded with 87 grain bullets at the beginning, working up to hard hitting 120 grain bullets as the young shooter gains confidence. Where can I find WSSM rifles today. Log In Register. This is a cartridge that can easily be adapted to suit hunters of 11 to 12 years of age yet serve them well into their late teens … few years, new loading data and new propellants and bullets have been introduced that have boosted the .25 WSSM’s velocities and made it an even better hunting cartridge. Handgun Ammo Rifle Ammo 17 Hornet Ammo 17 Rem Fireball Ammo 17 Remington Ammo 204 Ruger Ammo 218 Winchester Bee Ammo 22 … Nov 11, 2007 #10 It really isn't any more work for me as my 6.5-284 gets all the same brass prep. The Barnes leaves the A-Bolt’s 22-inch barrel at 3,286 fps pushed with 48.5 grains of H-4350. Hillbilly Brass - Specializing in Reformed WSSM Brass & Previously Fired Rifle Brass. [4], The Overlooked .25 Caliber Cartridges by Chuck Hawks, The Experts Agree - The WSSMs are Winners! Twist rate. Although the .25 WSSM is advertised as ballistically equivalent to the .25-06, it is clearly inferior if the two cartridges are loaded to similar pressures and tested in rifles with barrels of the same length. Nosler’s 120-grain Partition zipped along at 2,771 fps with 43.0 grains of Reloder 17. … Its case has about the same propellant capacity as the .257 Roberts, but it is loaded to a much higher maximum pressure of 65,000 psi. I thought the little cartridge was great for hunting coyotes, deer and pronghorn and that it would become fairly popular, but a perfect storm of events killed the cartridge. 2. Thinking about it now it doesn't look like that much work..... BillK. Moving up in bullet weight leads to the 115- and 117-grain spitzer boat tails from Nosler, Hornady and Sierra, and each excell with the selected handload. I have one of my 6.5-243wssm rifles as a … You can use the .25 WSSM case and run over a 6.5 neck turn mandrel then turn. handily out-performs the new .25 WSSM, also introduced in 2004, as a big game hunting cartridge. It was standardized only 6 years ago. Repeating Arms chambered several of its Model 70 rifles in .25 WSSM, and Browning did the same with five models of its A-Bolt rifles that had receivers an inch shorter than standard actions. Buy a reloading setup and make your own. Rifles for the .223 and .243 Winchester are currently advertised as being available from Browning however future availability is difficult to determine. The Speer Hot-Cor with 47.0 grains of H-4350 was … The parent case is based off a .300 Winchester Short Magnum by shortening it. This round’s 85 grain bullet features a black jacket and silver-colored polymer tip. Like the other WSSM cartridges, the .25 WSSM is not a true magnum at all. A 25 WSSM rifle is certainly capable of handling whitetail and wild boar, but this Ballistic Silvertip ammo by Winchester turns it into an incredibly effective varmint and predator gun as well. I forgot to mention to you that I seated my bullet in father than I told you in my last message. FAQs; Categories. Quintus. Sam. Performance is far less than other .25 caliber magnum rounds as the .257 Weatherby Magnum. Winchester stated the stubby cartridge delivered the performance of the .25-06 in an action two sizes smaller, and factory loads certainly lived up to that claim. Currently the WSSM caliber line is not in production in any Browning rifle. Description. Home; My Account. Top #1399749 - 10/26/09 09:04 AM Re: .25 WSSM accuracy [Re: BohunterNY] kunas Die Hard Member II Registered: 02/15/08 Posts: 1755 Loc: winchester va you will like the 25 … Internet bloggers shrieked through their keyboards about what terrible cartridges the .223, .243 and .25 super shorts were before these rifles were even stocked on sporting goods store shelves. From left, back row: .250-3000 Savage,.257 Roberts, .257 Improved Ackley and .25-06. Ackley said was his favorite choice for an all-around cartridge. The 25-06 dates back to about 1912 as a wildcat and was great in its time. A new shoulder bump length of 1.212” measured with a gauge, 47grains of Varget, then set a v-max down the neck and back to the range. Ammo Freedom. The Barnes 100-grain Triple-Shock has worked very well the last few years from an A-Bolt Hunter for hunting pronghorn at long range and whitetails close up in the timber. The ballistic performance of the .25 WSSM is based off 5 grain types and has a velocity of 3,775 ft/s (75 gr), 3,547 ft/s (85 gr), 3.264 ft/s (100 gr), 2,999 ft/s (115 gr), and 2,985 ft/s (120 … Using bullets from Hornady V-Max, Nosler BT, Sierra SP, Speer BT, … 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. Jan 27, 2014 #1 Looking for load data for the 25 WSSM. The Super Short cartridges were so new they had not become all that popular, so Browning soon dropped its rifles chambered in .223, .243 and .25 WSSM. The .25 WSSM can hold its own in velocity and accuracy with any of the .25-caliber cartridges behind it. should not be a problem with factory 223 WSSM cases. Thumbing through my handloading records, I came up with the top velocities for a variety of bullet weights for the five .25-caliber cartridges listed in Table I. 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