Extreme accuracy and extreme terminal fragmentation mean you can make short work of pest animals! 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. The 25-06 dates back to about 1912 as a wildcat and was great in its time. Description Description. 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. Quintus. The bullet was recovered under the skin on the off-side of the buck, and it had expanded perfectly and still weighed 100 grains. 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. Given the initial lack of consumer acceptance, the development of short magnums languished after 1966. As previously stated, this cartridge is ideal for youths in a most unique manner. [4], The Overlooked .25 Caliber Cartridges by Chuck Hawks, The Experts Agree - The WSSMs are Winners! Unlike the other WSSM rounds, the .25 is a magnum in name only, based on the case it uses. The WSSM cartridges are based on ballistics design philosophies that are intended to produce a high level of efficiency.[2]. Google ".25 WSSM brass". I too am a big fan of the 25 wssm. 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. U.S. TZaun. 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. However, in the last. In 2004 Winchester released the .25 WSSM, then in 2006, the company folded. This roundâs 85 grain bullet features a black jacket and silver-colored polymer tip. Velocities are right in there with the .257 Improved Ackley. I forgot to mention to you that I seated my bullet in father than I told you in my last message. The .25 WSSM’s velocities are from my early handloads for the cartridge. Jan 27, 2014 #2 I have two rifles chambered in 25 WSSM. Where can I find WSSM rifles today. Find 25 WSSM Ammo for sale, in-stock and ready to ship at Ammo Freedom. Gold $$ Contributor. 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. Thinking about it now it doesn't look like that much work..... BillK. FAQs; Categories. Bulk Ammunition on sale, including 25 WSSM Rifle Rounds. My Account My Orders My Address Book My Password. I decided to answer a subscribers questions on the difference between the 25 caliber rifles. Currently the WSSM caliber line is not in production in any Browning rifle. The .25 WSSM can hold its own in velocity and accuracy with any of the .25-caliber cartridges behind it. It ⦠Having the short fat design, the cartridge loads burn at a more consistent rate, providing a higher level of accuracy. 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. 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. 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 These include an 85 grain Ballistic Silvertip bullet at a MV of 3470 fps and ME of 2273 ft. We are now offering 243 and 25 WSSM ammo. From left, back row: .250-3000 Savage,.257 Roberts, .257 Improved Ackley and .25-06. A little hair, blood, and dirt from the hog. Will run the factory stuff thru the chrony for a starting point. 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. Read the side-bar on this page for an explanation. TX, The reason is because it shoots so well and has easy bolt lift. 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. Ammo Freedom. .25 WSSM / .25 Winchester Super Short Magnum (Hodgdon Data) reloading data with 100 loads. 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. When Winchester started making Model 70s again in South Carolina in 2008, the Super Short action was noticeably absent. Sam. 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. 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. Performance is far less than other .25 caliber magnum rounds as the .257 Weatherby Magnum. FYI- An accurate load requires a bullet with the proper consistent case neck tension which leads to more constant pressures and velocities. It is a necked-up version of the .243 WSSM,[1] which is in turn a shortened .300 WSM (Winchester Short Magnum). This is unfortunate, because the .25 WSSM is an excellent cartridge. The WSSM cartridges are based on ballistics design philosophies that are intended to produce a high level of efficiency. 25 WSSM load data. 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 ⦠should not be a problem with factory 223 WSSM cases. 06 September 2012, 01:38. I have one of my 6.5-243wssm rifles as a ⦠Home; My Account. A new shoulder bump length of 1.212â measured with a gauge, 47grains of Varget, then set a v-max down the neck and back to the range. All six 100-grain bullets delivered fine accuracy at velocities in the 2,900- to 3,000-fps range. Buy a reloading setup and make your own. Handgun Ammo Rifle Ammo 17 Hornet Ammo 17 Rem Fireball Ammo 17 Remington Ammo 204 Ruger Ammo 218 Winchester Bee Ammo 22 ⦠The .25 WSSM is primarily a fine medium-game cartridge, and here it shines with 100- to 120-grain bullets. 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. Log In Register. That turns the .25 WSSM into a .257 Roberts - well, maybe that's not such a bad thing.. 05 September 2012, 17:37. srose. 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