.45 Schofield
.45 Schofield | ||||||||||||||||
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.45 Colt (left) alongside the .45 Schofield cartridge | ||||||||||||||||
Type | Revolver | |||||||||||||||
Place of origin | United States | |||||||||||||||
Service history | ||||||||||||||||
In service | 1875–1892 | |||||||||||||||
Used by | US Army | |||||||||||||||
Production history | ||||||||||||||||
Designer | Smith & Wesson | |||||||||||||||
Designed | 1875 | |||||||||||||||
Manufacturer | Smith & Wesson | |||||||||||||||
Produced | 1875–present | |||||||||||||||
Specifications | ||||||||||||||||
Case type | Rimmed, straight | |||||||||||||||
Bullet diameter | .454 in (11.5 mm) | |||||||||||||||
Neck diameter | .480 in (12.2 mm) | |||||||||||||||
Base diameter | .480 in (12.2 mm) | |||||||||||||||
Rim diameter | .520 in (13.2 mm) | |||||||||||||||
Rim thickness | .060 in (1.5 mm) | |||||||||||||||
Case length | 1.100 in (27.9 mm) | |||||||||||||||
Overall length | 1.430 in (36.3 mm) | |||||||||||||||
Rifling twist | 1 in 24" | |||||||||||||||
Primer type | Large pistol | |||||||||||||||
Maximum pressure (CIP) | 14,500 psi (100 MPa) | |||||||||||||||
Ballistic performance | ||||||||||||||||
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Source(s): "Cartridges of the World"[1] / Accurate Powder[2] |
The .45 Schofield / 11.5x27mmR , also referred to as .45 Smith & Wesson is a
History
This cartridge was originally designed as a
The .45 Schofield cartridge was shorter than the .45 Colt. It could be used in both the Schofield and the Colt 45 Peacemaker, but the .45 Colt was too long to use in the Schofield. As a result, by the late 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 the shorter case of the Schofield and the reduced rim of the Colt round; 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
In the early 1880s the Benet type (internal) cartridge primer was retired and the modern Boxer type (external) primer was adopted for all future military production of revolver ammunition.
Synonyms
- .45 S&W
- .45 S&W Schofield
- .45 M1877 ball revolver
See also
- 11 mm caliber – Firearm cartridge classification
- List of cartridges by caliber
- List of handgun cartridges
References
- ^ ISBN 0-87349-178-5.
- ^ ".45 S&W Schofield Archived 2007-09-28 at the Wayback Machine" data from Accurate Powder.
- ^ 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 Colt cartridge.
External links
- .45 Schofield Revolver
- Reloading info Archived 2018-12-11 at the Wayback Machine
- U.S. patent 138,047 Schofield, G. W., "Revolving Fire-Arm", Issued 1873