Colt Walker Revolver
The massive and powerful Colt Walker was originally designated a pistol by the US Army Ordnance Department for its personnel had never come across a revolver before then.
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Captain Samuel Hamilton Walker (1817-1847) served as a Texas Ranger and within the US military through the violent wars in the American West against native Indians and he would later go on to serve in the Mexican-American War until his death in battle. Walker visited fabled gunsmith Samuel Colt in New York, bringing with him plans for a new revolver based on the Colt Paterson - to which he had familiarity with and a hand in its original design through a partnership with Colt. The Colt Paterson was in circulation since 1836, becoming the first commercially-available repeating revolver that showcased a multi-shot cylinder and it proved a general success mainly in Western affairs. Colt patented this design in February of 1836 and the namesake for the revolver was taken from its place of production - Paterson, New Jersey. One of the unique design elements of the Paterson was its folding trigger unit which sprung out after actuation of the hammer. Mr. Walker served the Colt concern well and proved instrumental in securing US government contracts at a time when Colt was facing bankruptcy. Samuel Colt honored Walker's request for a more powerful repeating revolver and began work on what would become the mythical "Colt Walker". All told, the Walker was to be the most powerful revolver of its time with manstopping qualities akin to that of an infantry rifle. With a more powerful gun, mounted personnel could now counter both enemy personnel and their mounts alike, firing a large bullet in a form that was more compact than a rifle.
Outwardly, the Colt Walker was a beautifully crafted revolver. Conventional in its design and layout, the Walker showcased the smooth and clean lines of the Paterson before it and was consistent with other Colt revolvers up to this point. Key exceptions with the Walker were its 6-shot cylinder (as opposed to the well-established five-round series) and static trigger system. The Walker was a massive firearm, measuring over 15.5 inches in length with a 9-inch barrel, the revolver collectively weighing in at 4.5lbs. The weapon was chambered for six large .44 ball bullets (.45 was also supported) and the firing operation was of single-action, requiring manual cocking of the hammer for each shot. The cylinder rotated with each hammer action allowing for repeating fire until all chambers had been cleared. The ball ammunition was loaded with black powder and ignited by percussion caps manually placed on each chamber rear along the cylinder. The powder charge (60 grains) was fed into each chamber (from the front) from a tear-drop style flask carried by the operator. Each chamber then was fed a ball with the cylinder being manually rotated by the user. There was a loading lever set under the barrel and hinged to fold downwards. The folding action create a "ramrod" style effect in which an attached arm pushed the chamber contents to the extreme rear near the percussion cap. The receiver of the gun had an open frame meaning there was no support across the top of the cylinder - this seen in later upcoming revolver types, Remingtons being quite famous for the design element. The hammer spur was clearly visible at the rear and the wooden-covered pistol grip was ergonomically finished for a firm hand hold. The thin trigger assembly was held within a wire-type trigger ring. Despite its size, the Walker was designed for use from a holster.
The Colt Walker was introduced in 1847. Unfortunately for Captain Walker, he suffered a fatal wound in battle that same year but was the recipient of two of these sidearms prior to his death. Colt netted a government contract and enlisted the help of Eli Whitney, Jr and his Whitneyville, Connecticut facility for the assignment. In all, some 1,100 Colt Walkers were produced with 100 or so of these being specialized forms for the civilian market. Production lasted only through 1847 however.