.25 Winchester Super Short Magnum: Difference between revisions

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			{{Short description\|Rifle cartridge designed by Winchester}}
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			{{Article for deletion/dated\|page=.25 Winchester Super Short Magnum\|timestamp=20250104102039\|year=2025\|month=January\|day=4\|substed=yes\|help=off}}
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			{{Notability\|Product\|date=January 2023}}
	{{Infobox firearm cartridge		{{Infobox firearm cartridge
	\| name = .25 WSSM		\| name = .25 WSSM
	\| image = 25 WSSM cartridge comparison AR-15.jpg \| image_size = 300px		\| image = 25 WSSM cartridge comparison AR-15.jpg \| image_size = 300px
	\| caption = 25 WSSM cartridges loaded for an AR-15 magazine. For comparison, a 2 3/4" shotgun shell & 5.56mm NATO cartridge are included		\| caption = 25 WSSM cartridges loaded for an ] magazine. For comparison, a 2 3/4" shotgun shell & 5.56mm NATO cartridge are included
	\| origin = USA		\| origin = USA
	\| type = Rifle		\| type = Rifle
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	\| design_date =		\| design_date =
	\| manufacturer = Winchester		\| manufacturer = Winchester
	\| production_date = ~~2004~~		\| production_date = 2004–present
	\| number =		\| number =
	\| variants =		\| variants =
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	\| is_SI_specs =		\| is_SI_specs =
	\| parent = ]		\| parent = ]
			\| case_type = Rimless, bottleneck
	\| case type = rimless bottlenecked
	\| bullet = .257		\| bullet = .257
			\| land = .250
	\| neck = .305		\| neck = .305
	\| shoulder = .544		\| shoulder = .544
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	\| rim_thick = .054		\| rim_thick = .054
	\| case_length = 1.670		\| case_length = 1.670
	\| length = 2.36		\| length = 2.362
	\| rifling =		\| rifling =
	\| primer = large rifle		\| primer = large rifle
			\| max_pressure = 65000
			\| pressure_method = transducer
	<!-- Ballistic performance -->		<!-- Ballistic performance -->
	\| is_SI_ballistics =		\| is_SI_ballistics =
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	}}		}}

	The '''.25 Winchester Super Short Magnum''' is a third member of the ] (WSSM) cartridge family created by Winchester and Browning. It is the largest caliber of the WSSM's and is the most capable of handling large game such as deer and wild boar.		The '''.25 Winchester Super Short Magnum''' is a third member of the ] (WSSM) cartridge family created by Winchester and Browning. It is the largest caliber of the WSSM line (excluding ]) and is the most capable of handling large game such as deer and wild boar.

	==Description==		==Description==
	]		]
	It is a necked-up version of the ],<ref>* </ref> which is in turn a shortened ] (]). The WSSM cartridges are based on ] design philosophies that are intended to produce a high level of efficiency.<ref>{{Cite web \|url=http://www.browning.com/library/infonews/detail.asp?ID=2 \|title=Browning WSSM info \|access-date=2010-05-04 \|archive-url=https://web.archive.org/web/20101224202741/http://www.browning.com/library/infonews/detail.asp?id=2 \|archive-date=2010-12-24 \|~~dead~~-~~url=yes \|df~~= }}</ref>		It is a necked-up version of the ],<ref>* </ref> which is in turn a shortened ] (]). The WSSM cartridges are based on ] design philosophies that are intended to produce a high level of efficiency.<ref>{{Cite web \|url=http://www.browning.com/library/infonews/detail.asp?ID=2 \|title=Browning WSSM info \|access-date=2010-05-04 \|archive-url=https://web.archive.org/web/20101224202741/http://www.browning.com/library/infonews/detail.asp?id=2 \|archive-date=2010-12-24 \|url-status=dead }}</ref>

		⚫	Like the other WSSM rounds, the .25 is effectively a magnum in name, and energy-per-COAL, only. Performance wise it is nearly identical to the long action ], making it well suited for medium to large game with the advantage of being usable by lighter short action rifles.<ref></ref> Having the short fat design, the cartridge loads potentially burn at a more consistent rate, in theory providing a lower muzzle velocity ] (SD) for increased accuracy. Performance is far less than true .25 caliber magnum rounds such as the ]. In fact, ballistically it's almost identical to the improved version of the ], which ] said was his favorite choice for an all-around cartridge.<ref>''Handbook for Shooters & Reloaders vol I, Book by P.O. Ackley''; Plaza Publishing, 1962, {{ISBN\|978-99929-4-881-1}}</ref>
	Like other WSSM cases, the .25 is short and fat, which is designed to be more efficient.

⚫	~~Unlike~~ the other WSSM rounds, the .25 is a magnum in name ~~only~~, ~~based~~ on ~~the case it uses~~. Performance wise it is a ~~clone~~ of the ], making it well suited for medium to large game.<ref></ref> ~~The 25 WSSM provides the same performance as the 25-06 Remington, with the advantage of having lighter short action rifles.~~ Having the short fat design, the cartridge loads burn at a more consistent rate, providing a ~~higher~~ ~~level~~ of accuracy. Performance is far less than ~~other~~ .25 caliber magnum rounds as the ]. In fact, ballistically it's almost identical to the improved version of the .257 Roberts, which ] said was his favorite choice for an all-around cartridge.<ref>''Handbook for Shooters & Reloaders vol I, Book by P.O. Ackley''; Plaza Publishing, 1962, {{ISBN\|978-99929-4-881-1}}</ref>

	==See also==		==See also==

Latest revision as of 10:20, 4 January 2025

Rifle cartridge designed by Winchester

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.25 WSSM

25 WSSM cartridges loaded for an AR-15 magazine. For comparison, a 2 3/4" shotgun shell & 5.56mm NATO cartridge are included

Type

Rifle

Place of origin

USA

Production history

Designer

Browning / Winchester

Manufacturer

Winchester

Produced

2004–present

Specifications

Parent case

.300 WSM

Case type

Rimless, bottleneck

Bullet diameter

.257 in (6.5 mm)

Land diameter

.250 in (6.4 mm)

Neck diameter

.305 in (7.7 mm)

Shoulder diameter

.544 in (13.8 mm)

Base diameter

.555 in (14.1 mm)

Rim diameter

.535 in (13.6 mm)

Rim thickness

.054 in (1.4 mm)

Case length

1.670 in (42.4 mm)

Overall length

2.362 in (60.0 mm)

Primer type

large rifle

Maximum pressure (transducer)

65,000 psi (450 MPa)

Ballistic performance

Bullet mass/type	Velocity	Energy
75 gr (5 g) VMax	3,775 ft/s (1,151 m/s)	2,374 ft⋅lbf (3,219 J)
85 gr (6 g) BT	3,547 ft/s (1,081 m/s)	2,375 ft⋅lbf (3,220 J)
100 gr (6 g) BT	3,264 ft/s (995 m/s)	2,366 ft⋅lbf (3,208 J)
115 gr (7 g) BT	2,999 ft/s (914 m/s)	2,297 ft⋅lbf (3,114 J)
120 gr (8 g) SP	2,985 ft/s (910 m/s)	2,375 ft⋅lbf (3,220 J)

Source(s): Hodgdon Online Reload Data

The .25 Winchester Super Short Magnum is a third member of the Winchester Super Short Magnum (WSSM) cartridge family created by Winchester and Browning. 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.

Description

It is a necked-up version of the .243 WSSM, which is in turn a shortened .300 WSM (Winchester Short Magnum). The WSSM cartridges are based on ballistics design philosophies that are intended to produce a high level of efficiency.

Like the other WSSM rounds, the .25 is effectively a magnum in name, and energy-per-COAL, only. Performance wise it is nearly identical to the long action .25-06 Remington, making it well suited for medium to large game with the advantage of being usable by lighter short action rifles. Having the short fat design, the cartridge loads potentially burn at a more consistent rate, in theory providing a lower muzzle velocity standard deviation (SD) for increased accuracy. Performance is far less than true .25 caliber magnum rounds such as the .257 Weatherby Magnum. In fact, ballistically it's almost identical to the improved version of the .257 Roberts, which P.O. Ackley said was his favorite choice for an all-around cartridge.

References

* The .25 WSSM by Chuck Hawks
"Browning WSSM info". Archived from the original on 2010-12-24. Retrieved 2010-05-04.
The Overlooked .25 Caliber Cartridges by Chuck Hawks
Handbook for Shooters & Reloaders vol I, Book by P.O. Ackley; Plaza Publishing, 1962, ISBN 978-99929-4-881-1

External links

Winchester firearms and cartridges

Rifles

Lever-action	Henry rifle Model 1866 Model 1873 Model 1876 Model 1886 Model 1892 Model 1894 Model 1895 Model 53 Model 55 Model 64 Model 65 Model 71 Model 88 Model 150 Model 250 Model 255 Model 9422
Bolt-action	Model 1878 Hotchkiss Model 1895 Lee Navy Model 1900 Model 1902 Model 1904 Model 43 Model 47 Model 51 Imperial Model 52 Model 54 Model 56 Model 57 Model 58 Model 59 Model 60 Model 60A Model 67 Model 68 Model 69 Model 70 Model 72 Model 75 Model 121 Model 131 Model 141 Model 320 Model 325 Model 670 Model 770
Pump-action	Model 1890 Model 1906 Model 61 Model 62 Model 62A Model 270
Semi-automatic	Model 1903 Model 1905 Model 1907 Model 1910 Model 30 Model 63 Model 74 Model 77 Model 100 Model 190 Model 290 Model 490
Full-automatic	Olin/Winchester FAL Model 1917 WAR
Falling-block action	Model 1885

Shotguns

Pump-action	Model 1893 Model 1897 Model 1912 Model 25 Model 42 Model 1200 Model 1300
Lever-action	Model 1887 Model 1901 Model 9410
Single-shot	Model 20 Model 36 Model 37 Model 37A Model 41
Double-barrel	Model 21 Model 24 Model 96 Model 101
Semi-automatic	Model 1911 SL Model 40 Model 50 Model 59 Model 1400 Model 1500 SX-1

Cartridges

Categories:

Latest revision as of 10:20, 4 January 2025

Description

See also

References

External links