Colt M1878 Colt M1878 The Colt M1878 is a double-action revolver that was manufactured by Colt's Manufacturing Company from 1878 to 1907. It is often referred to as the "Frontier" or the "Double Action Army" revolver. A total of 51,210 Model 1878 revolvers were manufactured from 1878 to 1907, including 4,600 for the US Ordnance Department. These are known as the "Philippine" or "Alaskan" models. Samuel Colt experimented with double-action revolver systems, but he considered them to be unreliable. After Colt's patent expired in 1857, other manufacturers began producing double-action revolvers, but Colt's Manufacturing did not manufacture its own double-action revolver until
Colt Detective Special French Manurhins and the Sig Sauer SP 2022 in 2005. Colt Detective Special The Colt Detective Special is a six-shot, carbon steel framed, 2" barreled, double-action revolver, and the first example of a class of firearms known to gun enthusiasts as "snubnosed revolvers". Made by Colt's Manufacturing Company this model revolver, as the name "Detective Special" suggests, was intended to be concealed weapon used by plainclothes police detectives. Introduced in 1927, the Detective Special was the first short-barreled revolvers produced with a modern swing-out frame. It was designed from the outset to be chambered for higher-powered cartridges such as the