<Tr> <Th> Sights </Th> <Td> blade front sight, hammer notch rear sight </Td> </Tr> <P> The Colt Walker, sometimes known as the Walker Colt, was a single - action revolver with a revolving cylinder holding six charges of black powder behind six bullets (typically . 44 caliber lead balls). It was designed in 1846 as a collaboration between Captain Samuel Hamilton Walker and American firearms inventor Samuel Colt . </P> <P> The 1847 Colt Walker was the largest and most powerful black powder repeating handgun ever made . It was created in the mid-1840s in a collaboration between Texas Ranger Captain Samuel Hamilton Walker (1817--47) and American firearms inventor Samuel Colt (1814--62), building upon the earlier Colt Paterson design . Walker wanted a handgun that was extremely powerful at close range . </P> <P> Samuel Walker carried two of his namesake revolvers in the Mexican--American War . He was killed in battle the same year his famous handgun was invented, 1847, shortly after he had received them . Only 1100 of these guns were originally made, 1000 as part of a military contract and an additional 100 for the civilian market, making original Colt Walker revolvers extremely rare and expensive to acquire . On October 9, 2008, one specimen that had been handed down from a Mexican War veteran was sold at auction for US $920,000 . </P>

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