However, on the contrary to what some competitive shooters and sportsman believe and as mentioned above, there are quite an array of bullet sizes and shapes to choose from if you reload. Higher chamber pressure results in higher muzzle velocities. Lots of people simply neck them up to 338 (325/338)when building a custom rifle in the short mag and have very good luck with them as a wildcat. CD-ROM version download (ZIP and RAR format), SAAMI cartridge and chamber drawings for the 325 Winchester Short Magnum, https://en.wikipedia.org/w/index.php?title=.325_Winchester_Short_Magnum&oldid=977597823, Creative Commons Attribution-ShareAlike License, This page was last edited on 9 September 2020, at 20:13. [2], According to the official C.I.P. From left to right: Last edited on 9 September 2020, at 20:13, The .300 Winchester Short Magnum, Allan Jones - December 18, 2018, www.shootingtimes.com, free current C.I.P. On the other hand, the proportions of .325 Winchester Short Magnum promote good internal ballistic efficiency that allows the .325 Winchester Short Magnum to fire shorter lighter bullets at slightly higher muzzle velocities whilst using less propellant than the classically proportioned 8×68mm S. The .325 WSM is an efficient, flat shooting 8mm magnum rifle cartridge.
325 WSM Ballistics. Next Last. Americans would define the shoulder angle at alpha/2 ≈ 35 degrees. The .325 Winchester Short Magnum is considerably shorter and fatter and has a more radical rebated rim, much steeper shoulder angle and a shorter neck (7.82 mm) than the 8x68mm S. This makes the 8x68mm S case with its 9.11 mm long neck better suited for loading long heavier bullets and due to its sleeker exterior shape bound to cycle more reliably in bolt action rifles in extreme situations. [1], The .325 WSM uses the .300 WSM case necked up to accept the 8mm bullet. [3] Introduced at the 2005 Shot Show in Las Vegas, NV, it is the largest member of the Winchester Short Magnum family of cartridges. .325 Winchester Short Magnum (also known as .325 WSM) is an 8 mm (.323 in) caliber rebated rim bottlenecked centerfire short magnum cartridge that was introduced in 2005 by Winchester.It is a member of the Winchester Short Magnum family of rifle cartridges..
Maximum muzzle velocity comparison in % of the probably most proliferated European and American 8 mm rifle cartridges out of 650 mm (25.59 in) long barrels loaded with relatively light to heavy 8 mm bullets to their C.I.P. .325 Winchester Short Magnum maximum C.I.P. The German 8×68mm S cartridge introduced in 1939 is probably the closest ballistic twin of the .325 Winchester Short Magnum. It is a member of the Winchester Short Magnum family of rifle cartridges. This comparison is not totally objective since the 8mm Remington Magnum and .325 WSM operate at 448.16 MPa (65000 psi), the 8×68mm S at 440 MPa (63817 psi), the 8×64mm S at 405 MPa (58740 psi) and the 7.92×57mm Mauser at 390 MPa (56564 psi) maximum chamber pressure. In C.I.P. Typical rifles for the WSM line of cartridges have barrels between 22–24 in (560–610 mm) which is less than the typical magnum rifle. or SAAMI (Sporting Arms and Ammunition Manufacturers’ Institute) sanctioned maximum pressures. It was intended to take medium and large bodied, dangerous thin skinned game up to 1800 lbs.
Winchester Ammunition's release of the .325 WSM was in conjunction with the release by FN Herstal of rifles chambered in the cartridge under the Browning and Winchester brand names.
The common wisdom indicated that Winchester would release a .33 caliber (8.38 mm) cartridge based on the .300 WSM case. 325 Winchester Short M. Win Ammo super-x .325 wsm 220 Grain power point 20 Rounds [X325WSM] View Out. The cartridge was influenced by the .404 Jeffery and contemporary cartridge designs calling for a short, fat cartridge operating at high pressures which could be cycled through a short action rifle. cartridge dimensions. On the other hand, the proportions of .325 Winchester Short Magnum promote good internal ballistic efficiency that allows the .325 Winchester Short Magnum to fire shorter lighter bullets at slightly higher muzzle velocities whilst using less propellant than the classically proportioned 8x68mm S. Maximum muzzle velocity comparison in % of the probably most proliferated European and American 8 mm rifle cartridges out of 650 mm (25.59 in) long barrels loaded with relatively light to heavy 8 mm bullets to their CIP or SAAMI (Sporting Arms and Ammunition Manufacturers’ Institute) sanctioned maximum pressures. 325 WSM Trajectory ===== Aussiehunter invites readers to submit a story, or additional information, about this caliber. [1], The introduction of the .325 WSM in 2005 took the shooting public by surprise, as the 8mm caliber did not have a following in North America.
These bullets are constructed of copper, which is about 20% less density than that of a conventional lead bullet. Earlier introductions of 8mm cartridges in North America were met with failure, as the .30 caliber (7.62 mm) was generally considered the caliber of choice among American hunters.
The Delta L problem article explains this problem in more detail.[4]. Due to the flat shooting and long range performance of the .325 WSM it is also a top performer for most African plains game such as kudu, nyala, wildebeest and zebra. 1 of 3 Go to page. The German 8x68mm S cartridge introduced in 1939 is probably the closest ballistic twin of the .325 Winchester Short Magnum.
The resulting mono-metal bullets are typically longer, which requires these bullets to be seated more deeply to meet standards set for the cartridge and allow reliable feeding and cycling of the cartridges in rifles.
Americans would define the shoulder angle at alpha/2 ≈ 35 degrees. Thread starter Rich Coyle; Start date Nov 9, 2019; Help Support Long Range Hunting : Join the LRH Team or . In C.I.P. The short action combined with short barrels allow for a lighter rifle than a standard magnum rifle which would be based on a standard action with a 26 in (660 mm) barrel. For examples of what is required, look at the 223 Remington page. [6], The .325 Winchester Short Magnum is a Delta L problem cartridge, meaning it can present unexpected chambering and/or feeding problems. Combining the velocity of the .300 Winchester Magnum with the knockdown power of the .338 Winchester Magnum, the .325 Winchester Short Magnum offers the power needed to take on big game animals in a lighter short action rifle.
The WSM case was designed to be loaded with .30 caliber (7.62mm) bullets.
Nov 9, 2019 #1 R. Rich Coyle Well-Known Member. However, Winchester surprised the shooting public in 2002 when they introduced the .223 WSSM and the .243 WSSM based on a further shortened WSM case followed by the .25 WSSM in 2003. Winchester determined that the .32 caliber was the largest caliber that provided a “magnum” level of performance in the WSM case. Originally, Winchester released the Ultimate Shadow, Camo Ultimate Shadow, Classic Featherweight, Classic Laminated, Super Grade RMEF (Rocky Mountain Elk Foundation) and Super Grade III in the 325 WSM while Browning chambered the 325 WSM in their A-Bolt, X-Bolt and BAR rifle lines. This is particularly evident with mono-metal bullets such as Nosler's E-Tip bullets, and the Barnes X bullets. The cartridge was introduced by Winchester Ammunition in 2005. .325 Winchester Short Magnum maximum C.I.P. The .325 Winchester Short Magnum has 5.39 ml (83 grain) H2O cartridge case capacity.
However, these later two cartridges have a distinct edge of being able to seat long heavy 220 gr (14 g) bullets without encroaching upon the powder space. pressure to certify for sale to consumers. The .325 WSM has not made inroads in competitive shooting sports or military use. Due to the necessity of seating heavier longer bullets more deeply into the powder column due to the short design and maximum overall length of the .325 WSM cartridge, velocity drops off as bullet weight increases. [1][2], The name of the cartridge is a misnomer as the bullet diameter is .323 in (8.2 mm).
Go. 325 Winchester Short M. Winchester 325 WSM 220 Grain Power Max Bonded [X325WSMBP] View Out. The .325 wsm will push a 200 grain bullet just as fast and flatter shooting. (Commission Internationale Permanente pour l'Epreuve des Armes à Feu Portatives) rulings the .325 Winchester Short Magnum can handle up to 435 MPa (63,091 psi) piezo pressure.
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