Colt Walker
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The Colt Walker, sometimes known as the Walker Colt, is a single-action revolver with a revolving cylinder holding six charges of black powder behind six bullets. It was designed in 1846 by American firearms inventor Samuel Colt to the... Wikipedia
Overall length: 15.5 in
Action: Single-action
Barrel length: 9 in (230 mm)
Caliber: .44 ball, revolver.457 in (11.6 mm), dia
Designed: 1846
In service: 1847–1865