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
Revolver more massive, they use a spring-wound mechanism to index the cylinder. Revolver cannons use a motor-driven revolver-like mechanism to fire. A Six Gun is a revolver that holds six cartridges. The cylinder in a six gun is often called a 'wheel', and the six gun is itself often called a 'wheel gun'. Although a "Six Gun" can refer to any six-chambered revolver, it is typically a reference to the Colt Single Action Army, or its modern look-alikes such as the Ruger Vaquero and Beretta Stampede. Until the 1970s, when older-design revolvers such as Colt Single Action Armys and Ruger Blackhawks