Colt Model 1855 Sidehammer Pocket Revolver

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Colt Model 1855 Sidehammer
Colt Root 2nd Model.jpg
Colt Root 1855 Revolver, Model 2, cal .28
Type Single-action revolver
Place of origin United States
Production history
Designer Elisha K. Root
Designed 1855
Manufacturer Colt Firearms
Produced c. 1855–1870
Number built

.28 caliber = 30,000

.31 caliber = 14,000[1]
Specifications
Weight 17-ounces (3.5-inches octagon barrel)
Length 8-inches (with 3.5-inch barrel)
Barrel length 3.5- or 4.5-inches

Caliber .31 ball/conical bullet, .28 ball/conical bullet
Action single-action
Muzzle velocity 7-800 feet per second
Effective firing range 25 yards (accurate defense)
Feed system 5-round cylinder
Sights post front sight, topstrap notch rear sight

The Colt Model 1855 Sidehammer, also known as the Colt Root Revolver after engineer Elisha K. Root (1808-1865), was a cap & ball single action pocket revolver used during the American Civil War and made by the Colt's Patent Fire Arms Manufacturing Company in two calibers: .28 and .31.[2]

Calibers and variants[edit]

In the revolver configuration of the patented revolving mechanism, only one model of revolver was produced. The two only available calibers for the revolver were .28 and .31. The production of the revolver started in 1855 and lasted until 1870.[3] In spite of the complexity and ambition of its patented design, the Sidehammer revolver never reached the status of a popular gun.[4]

Model series[edit]

Production began in 1855 with the Model 1 followed by the Model 1A and then the Model 2 beginning with serial number "1" and ending in 1860 at about "25,000". These models had a roller-die engraved scene referred to as the "Cabin and Indian" scene. Production continued with the Model 3 which has a fluted cylinder[5][6]

Barrels, Cylinders[edit]

Colt Root 1855 Revolver, Model 7, cal .31

The standard barrel length was 3 1/2 inch (4 1/2 inch for the Model 5A, 6A, 7A). Calibers were .28 (Model 1 - 3) later .31 (Models 3A, 4, 5, 6, 7). Octagon barrels (Model 1 - 4). Round barrels (Model 5 - 7).

The cylinder scene engraved on the first 25,000 pistols was created by banknote engraver Waterman Ormsby. The image was his fourth and last to be featured on Colt revolvers. The overall scene is 1 1/16 inch wide by 3 1/4 inch long. At one end of the scene is the text, "COLT'S PATENT No. 14705". The image contains a pioneer defending himself against an attack by six indians in Seminole style attire using a pair of revolver pistols while (assumedly) his wife and child are escaping. Along the top of the scene (the edge of the cylinder which is closest to the pistol barrel) is a "finely detailed wavy line and dot border".[5]

The Model 3, 4 and 5 had a fluted cylinder (with indentations between the loading chambers) preventing the application of a continuously engraved scene. Some cylinders were decoratively hand engraved.

The Model 6 and 7 had a round cylinder, with the rolled on "Stagecoach Holdup" scene by W. L. Ormsby.

Influences in later Colt firearms[edit]

In 1855 the Sidehammer was the first Colt's revolver to use the "creeping" loading lever. This loading mechanism was used again in 1860 in the design of the Colt Army Model 1860, the Colt Navy Model 1861 and the Colt Police Model 1862.

In 1855 the Sidehammer was the first Colt's solid-frame spur-trigger gun. This anatomical characteristic was taken again when the three models of the Colt Derringer started production in 1870. For the two first models production lasted in 1890 and the third model ended in 1912 (until it was re-released in the 1950' for western movies, under the name of fourth model Colt Deringer). But in the Colt Deringers the solid-frame spur-triger design was still present in the patent when Colt's purchased the National Arms Company in 1870. Actual original Colt models subsequent to the Sidehammer and inheriting a solid frame and a spur trigger were the Colt House (1871) and the Colt New Line (1873).[1]

The revolving mechanism of the cylinder was also used by Colt's in the following long arms, in rifle and carbine configurations:[7]

  • Colt Model 1855 "First Model" Sporting Rifle
  • Colt Model 1855 Half Stock Sporting Rifle
  • Colt Model 1855 Full Stock Sporting Rifle
  • Colt Model 1855 Military Rifle and Rifled Musket
  • Colt Model 1855 Revolving Carbine
  • Colt Model 1855 Revolving Shotgun
Original 1855 patent of the gun, still with the zig-zag cylinder

See also[edit]

References[edit]

  1. ^ a b Shideler, Dan (2011). The Gun Digest Book of Guns & Prices 2011. Iola, Wisconsin: Gun Digest Books. p. 241. ISBN 1-4402-1890-0. 
  2. ^ Less Common Guns in the Civil War: Colt Model 1855 Sidehammer Revolver (a description of the Sidehammer, by writer Emory Hackman)
  3. ^ Flayderman's Guide to Antique American Firearms (the Colt 1855 Sidehammer revolver and Colt 1855 long arms derived models, as described by the Flayderman's Guide)
  4. ^ The Sidehammer as described in the Autry Museum, a Museum dealing with the people and the history of the American West
  5. ^ a b Tobias, Arthur (December 2013). "The Root of the Matter, the Cabin and Indian Scene on Colt's Model 1855 Sidehammer Revolver". Man at Arms 35 (6): 27–34. Retrieved 28 October 2013. 
  6. ^ Flayderman's Guide to Antique American Firearms
  7. ^ Sapp, Rick (2007). Standard Catalog of Colt Firearms. Iola, Wisconsin: F+W Media, Inc. pp. 205–209. ISBN 0-89689-534-3.