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.45 Schofield

.45 Schofield cartridge (right) alongside the familiar .45 Colt
Type Revolver
Place of origin23x15px United States
Service history
In service1875–1892
Used byUS Army
Production history
DesignerSmith & Wesson
Designed1875
ManufacturerSmith & Wesson
Specifications
Case typeRimmed, straight
Bullet diameter.452-.454 in
Neck diameterScript error
Base diameterScript error
Rim diameterScript error
Rim thicknessScript error
Case lengthScript error
Overall lengthScript error
Rifling twist24
Primer typeLarge pistol
Ballistic performance
Bullet weight/type Velocity Energy
Script error Lead SWC Script error Script error
Script error Lead (factory load) Script error Script error
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The .45 Schofield or .45 Smith & Wesson is a revolver cartridge developed by Smith & Wesson for their S&W Model 3 American top-break revolver. It is similar to the .45 Colt round though shorter and with a slightly larger rim, and will generally work in revolvers chambered for that cartridge. In fact, US government arsenals supplied .45 Schofield cartridges for both the Schofield revolver and the Colt Army revolver to simplify their armament needs.[1] 45 Colt cartridges cannot be used in .45 Schofield firearms, since the .45 Colt is a longer cartridge.

HistoryEdit

This cartridge was originally designed as a black powder round. This revolver was patented in the USA on 20 June 1871 and 22 April 1873 by Smith and Wesson. It was a Smith and Wesson Model 3 that was modified by Major George Schofield to make it easier for a cavalryman to reload while riding. While the Colt 45 had more power, the speed at which a cavalryman could reload a Schofield was less than 30 seconds, half of the time for a Colt 45. By 1879, the U. S. Army had purchased 8,285 of the revolvers. Due to its lesser power and recoil compared to the Colt .45, it became the standard cartridge of the Army, though the Colt 1873 still was the main issue side arm of the Army.

The .45 Schofield cartridge was shorter than the .45 Long Colt. It could be used in both the Schofield and the Colt 45 Peacemaker, but the .45 Long Colt was too long to use in the Schofield. As a result, by the 1880s the army finally standardized on a .45 cartridge designed to fire in both revolvers, the M1887 Military Ball Cartridge. The M1887 was made at Frankford Arsenal, and was issued only to the military. It had a shortened case and reduced rim; as it was short enough to fit the Schofield, and its rim was not needed for the rod-ejector Single Action Army, the M1887 would fire and eject from both revolvers.[3]

The Schofield was quite a popular handgun in the old west, and may have been used by General Custer at the Battle of the Little Bighorn.[1]

SynonymsEdit

  • .45 S&W
  • .45 S&W Schofield
  • .45 M1877 ball revolver

Many reports indicate that while the .45 S&W cartridge could be used in a gun chambered for the .45 Colt, not every chamber in the gun could be loaded at the same time. Because of the larger diameter rim (.522 inches) on the S&W cartridge, the rims would sometimes interfere with each other when attempting to load every chamber of a .45 Colt chambered revolver. Current production .45 S&W cases have a head diameter larger than .45 Colt but smaller than the originals to circumvent this problem on the Colt Single Action Army revolver.

Because of this, the Frankford Arsenal produced the .45 M1877 Military Ball Cartridge which was identical to the S&W cartridge but had a slightly smaller rim diameter of .512 inches (identical to the rim of the .45 Colt cartridge) which could be used in either the Colt or the S&W revolvers. Production of the .45 Colt cartridge was then discontinued by the Frankford Arsenal with the .45 M1877 ball revolver cartridge being adopted as the only .45 revolver cartridge issued from then on.

In the early 1880s the Benet (inside) cartridge primer was retired and the modern Boxer type (externally visible) primer was adopted for all future military production of revolver ammunition.

See alsoEdit

ReferencesEdit

  1. 1.0 1.1 1.2 Script error
  2. ".45 S&W Schofield" data from Accurate Powder.
  3. When the Army began to adopt modern side-loading double action revolvers, the M1887 round gave occasional ejection trouble, and was replaced in Army use by the M1909 .45 Long Colt cartridge.

External linksEdit


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