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.38-40 Winchester
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American pistol cartridge
.38-40 Winchester 40sw 38-40 44spl 45acp.jpg 300px .40 S&W, .38-40 Winchester .44 Special, and .45 ACP cartridges United States Rifle, revolver Winchester Repeating Arms Company 1874–1937 (original production)1993–present (current production)Association, N. R. (n.d.). The .38-40 winchester center fire: History & performance9. An Official Journal Of The NRA. Retrieved May 3, 2023, from https://www.americanrifleman.org/content/the-38-40-winchester-center-fire-history-performance/ .44-40 Winchester Rimmed, bottleneck .4005 .3941 .4167 .4543 .4695 .525 .065 1.305 1.59 14,000Max chamber pressure - saami specs. Return to the index to LASC. (n.d.). Retrieved May 1, 2023, from http://www.lasc.us/SAAMIMaxPressure.htm 180 SP 1160 538 Cartridges of the World, 11th ed
Barnes
Frank C.
Skinner, Stan
Cartridges of the World
11th
1965
2006
Gun Digest Books
Iola, WI, USA
0-89689-297-2
92
The .38-40 Winchester (10.17x33mmR) is an intermediate cartridge shooting .401 in mm on bullets. The cartridge was introduced by Winchester in 1874 and is derived from their .44-40. This cartridge was introduced for rifles, but in its reintroduction for cowboy action shooting it has seen some popularity as a revolver cartridge. It is not particularly well suited to hunting larger game, but it was popular when it was introduced, along with the previous .44-40, for deer hunting. It can be used successfully on smaller game animals, and for self-defense. Current loadings are intended for revolvers.
Design and history
thumb|center|450px|An old .38-40 Winchester sample
It is unclear why this cartridge was introduced, as it is very similar to the .44-40 from which it was derived. It has approximately 110 ft.lbf J on less muzzle energy, and has a muzzle velocity about 110 ft/s m/s on less than the .44-40. The bullet differs by only .026 inches in bullet diameter and 20 gr in standard bullet weight from the original .44-40. The goal may have been to reduce recoil while maintaining a similar bullet sectional density. Waters Ken
Pet Loads, volume 2 5th 1980
1990 Wolfe Publishing Prescott, AZ, USA
443–447 0-935632-33-6 One unusual design element of this cartridge is that factory ammunition was loaded with a different case profile than the standard chamber for this cartridge, factory ammunition having a much longer neck than the standard chamber. Most reloading dies are designed to size fired brass to the chamber specification rather than that of the original factory ammunition case profile.
The renewed interest in this caliber can be explained by the increasing popularity of cowboy action shooting and metallic silhouette shooting. Several single-action revolvers have recently been chambered for this cartridge, including the Ruger Vaquero. Most modern reloading data for this cartridge is found in the handgun section of reloading manuals.
Performance
Though introduced as an "all-around" cartridge, traditional sources suggest the .38–40 performs inadequately on deer. Jones, Allan Speer Reloading Manual 13th
1998 Blount, Inc. Lewiston, ID, USA 394–400, 542–542
Ballistically, commercial 'cowboy' loads are similar to the much newer .40 S&W, sharing the bullet weight, and similar velocity.Ten-X Cowboy Ammo 38-40 WCF 180 Grain Lead Round Nose Flat Point Box http://www.midwayusa.com/product/355302/ten-x-cowboy-ammunition-38-40-wcf-180-grain-lead-round-nose-flat-point-box-of-50 dead https://web.archive.org/web/20151107105849/http://www.midwayusa.com/product/355302/ten-x-cowboy-ammunition-38-40-wcf-180-grain-lead-round-nose-flat-point-box-of-50 7 November 2015 28 March 2022 MidwayUSA A limited number of hunting loads are available commercially, which produce about 25% more muzzle energy than the more common target ammunition. https://web.archive.org/web/20090621094829/http://www.midwayusa.com/viewProduct/?productNumber=283303 2009-06-21 , Midway 38–40 Winchester Super-X.
Dimensions
thumb|center|500px
Synonyms
.38-40
.38-40 WCF
.38 CFW
.38 WCF
See also
10 mm caliber
.40 S&W
10mm Auto
.41 Action Express
List of rimmed cartridges
List of cartridges by caliber
Table of handgun and rifle cartridges
References
External links
38 WCF | 38-40 caliber
Reloading .38 WCF for Rifles
The .38-40 Winchester (.38 WCF)
The .38-40 - The 'Frontier Forty' — A sixgun/levergun natural
f8Zd0lZk-B8 Cartridge Hall of Fame - 38-40 Winchester - MidwayUSA
current 2019 Feb approved saami cartridge specifications #4, CENTER FIRE RIFLE, 2015/12/14 PDF, page 136 (148)
Category:Pistol and rifle cartridges
Category:Rimmed cartridges
Category:Dual-purpose handgun/rifle cartridges
Category:Winchester Repeating Arms Company cartridges