This is not limited to just the Colt Peacemaker. The craftsmen of Eibar also made their versions of the Colt 1877 (Lightning), the Colt M1878, and other later versions. They also copied many different U.S. designs includingSmith & Wessonand Merwin & Hulbert. Interestingly enough, they also...
- William Mason's patent for the Colt 1878 DA revolver - Model 1877 "Lightning" & "Thunderer" - Model 1877 mechanical features - Model 1878 DA Army & Frontier -Colt "ALASKAN" U.S. Model 1902 DA revolver Early development of the Colt swing-out DA revolvers - William Mason's US patents...
Colt's first double action revolver, the Model 1877, came in .38, .41 and .32 calibers earning the nicknames Lightning, Thunderer and Rainmaker.