Colt Firearms History
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Development of Ejector Systems

Variants of Type 2 ejector rods and rod head and ejector systems are common. Often there will be a “P” behind the serial number.  This is often interpreted as “Plating,” but it is the mark of a second inspector, with the mark of inspector “C” beneath the right stock on the frame.  Most Type 2s were full nickel plate, but other finishes have been observed.   Here are a few examples of different rod heads you may encounter.

Unlike cap and ball revolvers, those firing metallic cartridges required ejectors to remove spent cases.  Ejector systems may not have been necessary for the Open Top .22 which could be cleared with a toothpick, but in anticipating the need for larger caliber arms that would soon be produced, Colt’s used Type 1s and 2s to experiment with various systems.

In the early Open Top .22  models (mostly in the Type 2) we see much experimentation with rods, rod housings, and the use of springs. Note that the typical Open Top .22 ejector system  uses the tension of a compressed spring at the tip of the rod to draw the rod rearward and hold the head secure against the housing.  In a model shown below we see the use of a spring to push the rod head forward and secure it against the front of the housing.  

This spring-loaded system was adopted for Colt’s later cartridge revolvers.