This is a Cimarron Single Action known as the New Sheriff chambered in 45 Long Colt, model CA332.
This compact single action is like the standard barrel-length Model Ps in every way" except the New Sheriff sports a short 3 1/2-inch barrel--with an ejector rod and housing. This is the shortest barrel length that will allow the use of the attached ejector.
Features:
Ejector Rod and Housing
Case Hardened Frame
Walnut Grips