Colt Single Action Army

A model with a 7½″ barrel
Colt Sheriff's Model, 3 in barrel
Colt SAA SAPD, Badge
Colt "Frontier Six Shooter", shipped 1884, etched panel
Colt Bisley Model .38-40 WCF, shipped 1904 to Copper Queen Cons. Mining Co in Bisbee, Arizona
Colt Buntline
Second Generation Colt engraved in 19th Century pattern
Factory engraved SAA by Cuno Helfricht, shipped 1893 to E. J. Post & Co. Albuquerque NM
First generation Colt SAA with carved ivory stocks
First Generation Single Action Army from 1918, .32 WCF (.32-20)
Colt .45 Cartridges
SAA .45 ACP cylinder
Lt. Gen. George S. Patton, Jr. with his ivory-handled Peacemaker
US Colt Single Action 1873 Cavalry Model
George Armstrong Custer with Indian Scouts during Black Hills expedition of 1874; Colt pistols are visible
.45 Colt Single Action Army, serial No 5773 7th Cavalry issued 1877
.38 Colt Single Action Battle of Britain 1940
Colt Model 1873, U.S. Artillery Model

Single-action revolver handgun.

- Colt Single Action Army

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Repeating handgun that has at least one barrel and uses a revolving cylinder containing multiple chambers (each holding a single cartridge) for firing.

Colt Single Action Army
Firing a Smith & Wesson Model 686 .357 Magnum
A Smith & Wesson Model 1, 2nd issue; a two patent date variety shown next to a period box of .22 Short black powder cartridges
Colt Single Action Army, serial No. 5773, issued to 7th Cavalry during the Indian War period
Smith & Wesson M&P revolver
Details of a Schmidt M1882, showing the hammer, chambers for the ammunition in the cylinder, and the mechanism to rotate the cylinder. Revolver of the Gendarmerie of Vaud, on display at Morges castle museum
An advertisement for Iver Johnson revolvers claimed they were safe enough for children to handle.
The LeMat Percussion Revolver, with 9 revolving chambers firing bullets and a center shotgun barrel firing lead shot, was used by the Confederate troops in the American Civil War.
LeMat Revolver, an unusual pinfire cartridge model
A fixed-cylinder Nagant M1895 with gate open for loading
An IOF .32 top-break revolver
Smith & Wesson Model 1 Third Issue open
A swing-out cylinder revolver.
From Top: Replica of 1849 vintage. .44 Colt Revolving Holster Pistol (Dragoon); Colt Single Action Army Model 1873; Ruger (New Model) Super Blackhawk- Mid and late 20th Century.
Colt Anaconda .44 Magnum double-action revolver
Enfield No. 2 Mk I* double-action-only revolver. Note the spurless hammer.
Circuit Judge carbine.
Closeup of MTs255
Mateba Autorevolver
Colt Anaconda .44 Magnum revolver
Colt Python .357 Magnum revolvers
Smith & Wesson Model 625 for IPSC shooting
Smith & Wesson Model 625JM, as designed by Jerry Miculek.
Alfa Proj Model Alfa Para 9mm caliber
Taurus .357 Magnum Model 605
Taurus .45 Colt/.410 bore Model 4510 'The Judge'
IOF .32 Revolver in .32 S&W
Colt 1849 Pocket Model, made 1850–1873.
Belgian-made Lefaucheux revolver, c. 1860-1865
A Russian Nagant M1895
A Smith & Wesson Model 29
North American Arms (NAA) mini revolver in .22 LR. It can fold into its own grip for safe belt clip carry.

Famous revolvers models include the Colt 1851 Navy Revolver, the Webley, the Colt Single Action Army, the Colt Official Police, Smith & Wesson Model 10, the Smith & Wesson Model 29 of Dirty Harry fame, the Nagant M1895, and the Colt Python.

.45 Colt

Rimmed, straight-walled, handgun cartridge dating to 1872.

Diagram of .45 Colt U.S. Army "ball cartridge" for Army M1909 revolver, with dimensions in inches.
.45 Colt shown alongside other cartridges. From left to right: .30-06, 7.62×39mm, .454 Casull, .45 Colt, .357 Magnum, .38 Special, .45 ACP, 9×19mm Parabellum, .380 ACP, .22 Long Rifle
.45 Colt cartridge featuring a jacketed hollow point bullet
All-lead hollow point and flat nose .45 Colt cartridges
.45 Colt cartridges

It was originally a black-powder revolver round developed for the Colt Single Action Army revolver.

Rough Riders

Nickname given to the 1st United States Volunteer Cavalry, one of three such regiments raised in 1898 for the Spanish–American War and the only one to see combat.

Colonel Theodore Roosevelt in his Rough Riders uniform on October 26, 1898, by Rockwood.
Troops arriving in Tampa
Rough Riders heading to Cuba aboard the steamship Yucatan.
"The Battle of Las Guasimas, June 24 - The heroic stand of the 'Rough Riders'" in Harper's Pictorial History of the War with Spain.
US Army encampment, 1st Volunteer Cavalry, Rough Riders, at the base of Kettle Hill about July 5, 1898. San Juan Hill and block houses are in background.
US Army photo taken near the base of Kettle Hill about July 4, 1898. The soldier is pointing up to the top of Kettle Hill. In the background are the block houses on San Juan Hill and the American encampment.
The Fight for Santiago. The "Rough Riders" charging up the San Juan Hill, July 1, and driving the Spanish from their intrenchments [sic]. Illustration from McClure's, October 1898
Original title: "Colonel Roosevelt and his Rough Riders at the top of the hill which they captured, Battle of San Juan Hill." US Army victors on Kettle Hill about July 3, 1898 after the battle of "San Juan Hill(s)." Left to right is 3rd US Cavalry, 1st Volunteer Cavalry (Col. Theodore Roosevelt center) and 10th US Cavalry. A second similar picture is often shown cropping out all but the 1st Vol Cav and TR.
US Postage Stamp, 1948 issue, commemorating 50th anniversary of Theodore Roosevelt's Rough Riders.
Ticket for a 1906 fund-raising event to help finance a monument for the Rough Riders erected later in 1906
Buffalo Bill's Wild West and Congress of Rough Riders of the World, c. undefined1898
William H. West's Big Minstrel Jubilee: The Charge of San Juan Hill

"They succeeded in getting their cartridges, Colt Single Action Army revolvers, clothing, shelter-tents, and horse gear ... and in getting the regiment armed with the Springfield Krag carbine used by the regular cavalry."

.45 ACP

Rimless straight-walled handgun cartridge designed by John Moses Browning in 1904, for use in his prototype Colt semi-automatic pistol.

.45 ACP cartridge full metal jacket
Cross-sectional diagram of U.S. Army .45 ACP "ball cartridge" for Model 1911 pistol, with dimensions in inches.
45 x 23 mm Automatic Colt Pistol Mod. 1911 (Peters Cartridge Co, USA)
.45 ACP cross section
.45 ACP cartridge dimensions
SAAMI specifications for .45 ACP. All dimensions are in inches (millimeters):
.45 ACP pistol cartridge, FMJ bullet

During the late 19th century and early 20th century, the U.S. Cavalry began trials to replace their sidearm arsenal of issued .45 Colt Single Action Army (SAA) in favor of the more modern and versatile double-action revolver in .45 Colt.

Trigger (firearms)

Mechanism that actuates the function of a ranged weapon such as a firearm, airgun, crossbow, or speargun.

Trigger mechanism in a bolt action rifle: (A) trigger, (B) sear, (C) striker spring, (D) striker.
Thompson submachine gun trigger
The double-crescent trigger on the MG 34, which enabled select fire capability without using a selector switch. Pressing the upper segment of the trigger produced semi-automatic fire, while holding the lower segment of the trigger produced fully automatic fire.

The "classic" single-action revolver of the mid-to-late 19th century includes black powder caplock muzzleloaders such as the Colt 1860 "Army" Model, and Colt 1851 "Navy" Model, and European models like the LeMat, as well as early metallic cartridge revolvers such as the Colt Model 1873 "Single Action Army" (named for its trigger mechanism) and Smith & Wesson Model 3, all of which required a thumb to cock the hammer before firing.

Colt's Manufacturing Company

American firearms manufacturer, founded in 1855 by Samuel Colt and is now a subsidiary of Czech holding company Colt CZ Group.

Colt Model of 1848 Holster Pistol (First Model Dragoon)
Colt's Armory from an 1857 engraving viewed from the East
Colt Navy (top) and Army Models from 1861 and 1860
Colt Deringers, at right 1st Model (1870–1890), at left 3rd Model (1875–1912), all .41 rimfire
Colt Single Action Army, U.S. Artillery Model
2nd Generation Colt Single Action Army
M1911 and M1911A1 pistols
Colt-Thompson Model 1921 with Type C drum magazine
M4 Carbine
Modified Sport Rifle
Samuel Colt
Colt Anaconda .44 Magnum
Colt Mustang .380 ACP
Colt Target Model .22lr

The most famous Colt products include the Colt Walker, made in 1847 in the facilities of Eli Whitney Jr., the Colt Single Action Army or Peacemaker, the Colt Python, and the Colt M1911 pistol, which is currently the longest-standing military and law enforcement service handgun in the world and is still used today.


Short-barrelled firearm that can be held and used with one hand.

Modern handguns (clockwise from top left) Glock 22 * Glock 21 * Kimber Stainless Raptor II * Dan Wesson Commander Classic Bobtail * Smith & Wesson Model 340 * Ruger Blackhawk * Ruger SP101 * SIG Sauer P220 Combat.
Hand cannon from the Chinese Yuan dynasty (1271–1368).
Early German musket with serpentine lock
A wheellock pistol or Puffer, Augsburg, c. 1580
Sparks generated by a flintlock mechanism
A flintlock pistol circa 1700–1730
A typical caplock
Colt Navy Mod 1851, cal .36
Smith & Wesson Army No 2 cal .32 Rimfire, 6 Shot
Colt Model 1873 Single-Action "New Model Army Metallic Cartridge Revolving Pistol"
Smith & Wesson Model 36 is small, concealable, 5 shot, .38 Special revolver
Smith & Wesson Model 19 with its cylinder open, loaded with Norma .357 Magnum ammo.
Philadelphia Deringer made by Henry Deringer. This was the pocket pistol used by John Wilkes Booth in the Abraham Lincoln Assassination.
Mauser C96, the first mass-produced and commercially successful semi-automatic pistol
The Walther PPK pistol is famous as fictional secret agent James Bond's gun in many of the films and novels: Ian Fleming's choice of the Walther PPK directly influenced its popularity and its notoriety.
All-black FN Five-seveN USG pistol surrounded by twenty FN 5.7×28mm cartridges—the contents of a standard magazine.

The Colt Single Action Army, also known as the Single Action Army, SAA, Model P, Peacemaker, M1873, and Colt .45 is a single-action revolver with a revolving cylinder holding six metallic cartridges.

Samuel Colt

American inventor, industrialist, and businessman who established Colt's Patent Fire-Arms Manufacturing Company (now Colt's Manufacturing Company) and made the mass production of revolvers commercially viable.

Samuel Colt in 1855
Portrait of Col. Samuel Colt, engraving by George Catlin after a painting by Charles Loring Elliott (Wadsworth Atheneum), Hartford.
Samuel Hamilton Walker (1817–1847).
Modern reproductions of the Colt Paterson [top] and Colt Walker (Middle).
Colt 1851 Navy Revolver.
Colt's Armory, viewed from the east; from an 1857 engraving.
Colt Model 1855 Carbine with London Proofmarks
Samuel Colt memorial in Cedar Hill Cemetery
A Dragoon revolver, Colt's gift to the Sultan of the Ottoman Empire.

No longer a mere novelty weapon, the revolver became an industrial and cultural legacy, as well as a contribution to the development of war technology, represented ironically by the name of one of his company's later innovations, the "Peacemaker".

M1911 pistol

Single-action, semi-automatic, magazine-fed, recoil-operated pistol chambered for the .45 ACP cartridge.

A Remington Rand version of the Model 1911A1
M1911 designer John Browning
Cross-section diagram, with labeled parts, of original Model 1911 pistol, from official Army description as published in 1917.
Springfield Mil Spec field stripped
A Colt M1991A1 Compact ORM pistol
A Colt M1991A1 Compact ORM pistol with slide locked back to expose bull barrel.
A basic version of Smith & Wesson's SW1911 with user-installed Pachmayr grips

The U.S. Army briefly reverted to using the M1873 single-action revolver in .45 Colt caliber, which had been standard during the late 19th century; the heavier bullet was found to be more effective against charging tribesmen.

Pancho Villa Expedition

Military operation conducted by the United States Army against the paramilitary forces of Mexican revolutionary Francisco "Pancho" Villa from March 14, 1916, to February 7, 1917, during the Mexican Revolution of 1910–1920.

Cartoon by Clifford Berryman reflects American attitudes about the expedition
Battle of Columbus. Ruins of Columbus, New Mexico, after being raided by Pancho Villa
Staging area for truck trains that supplied troops of General John J. Pershing during the Pancho Villa Expedition, in Columbus, New Mexico
Maj. Gen. John Pershing of the National Army
American soldiers cross the arid plains south of Columbus, New Mexico.
Lts. Herbert Dargue (left) and Edgar S. Gorrell (right) pose with Signal Corps No. 43. in 1916 with the 1st Aero Squadron in Mexico during the Pancho Villa Expedition
A motorized convoy makes its way down a rutted road.
U.S. Army Punitive Expedition after Villa, Mexico: General Pershing and General Bliss inspecting the camp, with Colonel Winn, Commander of the 24th Infantry
S.C. No. 53, a JN3 of the 1st Aero Squadron, at Casas Grandes, Mexico
Soldiers of Company A of the 6th Infantry Regiment of the US Army stationed in a trench in Las Cruces on 10 April 1916
Villa bandits who raided Columbus, New Mexico, caught by American soldiers in the mountains of Mexico and held, in camp near Namiquipa, April 27, 1916., 1916 - 1917
Buffalo Soldiers of the American 10th Cavalry Regiment who were taken prisoner during the Battle of Carrizal, Mexico in 1916
Column of 6th and 16th Infantry, on route to the States, between Corralitos Rancho

Patton is said to have carved three notches into the twin Colt Peacemakers he carried, representing the men he claimed to have killed that day.