How a Colt Model 1903 Pocket Hammer pistol works - YouTube
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Colt 1903 Pocket Hammer .38 - ADELBRIDGE & CO
A Colt model 1903 Pocket Hammer Automatic Pistol, cal..38 rimless, no. 26649. Mirror-like bore, barrel length 4 1/2". Manufactured in 1911. 7-shot. On both sides of slide standard inscription as from 1908.