The .32 Winchester Self-Loading (also called .32SL, .32SLR, or .32WSL) is an American
rifle
A rifle is a long-barreled firearm designed for accurate shooting, with a barrel that has a helical pattern of grooves (rifling) cut into the bore wall. In keeping with their focus on accuracy, rifles are typically designed to be held with bo ...
cartridge.
Description
Winchester
Winchester is a cathedral city in Hampshire, England. The city lies at the heart of the wider City of Winchester, a local government district, at the western end of the South Downs National Park, on the River Itchen. It is south-west of Londo ...
introduced the .32SL and
.35SL cartridges in the
Winchester Model 1905 self-loading
A semi-automatic firearm, also called a self-loading or autoloading firearm (fully automatic and selective fire firearms are also variations on self-loading firearms), is a repeating firearm whose action mechanism ''automatically'' loads a follow ...
rifle, a
centerfire version of the
Winchester Model 1903. The .32SL never gained popularity as a
hunting
Hunting is the human practice of seeking, pursuing, capturing, or killing wildlife or feral animals. The most common reasons for humans to hunt are to harvest food (i.e. meat) and useful animal products ( fur/ hide, bone/tusks, horn/an ...
cartridge, although it may be suitable for the largest small game such as fox and coyote at ranges under 150 yards. Both the .32SL and .35SL were soon superseded by the introduction of the more powerful
.351SL in the
Winchester Model 1907.
When first introduced, however, the notable firearm expert
Townsend Whelen noted the .32SL cartridge as displaying similar
ballistics
Ballistics is the field of mechanics concerned with the launching, flight behaviour and impact effects of projectiles, especially ranged weapon munitions such as bullets, unguided bombs, rockets or the like; the science or art of designing and a ...
as the
.32-40 Winchester black powder
Gunpowder, also commonly known as black powder to distinguish it from modern smokeless powder, is the earliest known chemical explosive. It consists of a mixture of sulfur, carbon (in the form of charcoal) and potassium nitrate ( saltpeter). T ...
, low-pressure cartridge. He further suggests the best use of the .32 SL as being for rapid-fire
target shooting
Shooting sports is a group of competitive and recreational sporting activities involving proficiency tests of accuracy, precision and speed in shooting — the art of using ranged weapons, mainly small arms (firearms and airguns, in forms such ...
for ranges up to 300 yards. Within such ranges, it is quite an accurate cartridge.
In October 1940, an Army Ordnance circular suggested development of a light rifle using a .30 caliber cartridge similar to the "Winchester Self-loading Cartridge, Caliber .32" to replace the pistol and submachine gun. This led to the production of the "
Caliber .30 SL, M1" cartridge directly based on the .32 SL in February 1941 and, after a design competition, adoption of the Winchester-designed
M1 carbine
The M1 carbine (formally the United States Carbine, Caliber .30, M1) is a lightweight semi-automatic carbine that was a standard firearm for the U.S. military during World War II, the Korean War and the Vietnam War. The M1 carbine was produced ...
in October 1941.
[Larry Ruth, ''M1 Carbine: Design Development and Production'', The Gun Room Press, 1979.]
Dimensions
See also
*
8 mm caliber
*
List of cartridges by caliber
*
List of rifle cartridges
List of rifle cartridges, by primer type, calibre and name.
File:Cartridge Sample 2.jpg, 350px, From left to right: 1 .17 HM2,2 .17 HMR, 2.5 .17 wsm, 3 .22LR, 4 .22 WMR, 5 .17/23 SMc, 6 5mm/35 SMc, 7 .22 Hornet, 8 .223 Remington, 9 .223 ...
*
Table of handgun and rifle cartridges
This is a table of selected pistol/ submachine gun and rifle/machine gun cartridges by common name. Data values are the highest found for the cartridge, and might not occur in the same load (e.g. the highest muzzle energy might not be in the sam ...
References
External links
.32 W.S.L.
.32 Winchester Self Loading7.65x33R: Kynoch; .32 Winchester Self-Loading
{{DEFAULTSORT:32 Winchester Self-Loading
Pistol and rifle cartridges
Winchester Repeating Arms Company cartridges