This is a Cimarron Revolver: Single Action known as the Model P chambered in 45LC, model # MP411, UPC 814230010650
Model Series: Model P
Gun Type: Revolver: Single Action
Caliber: 45LC
Action: Single Action
Capacity: 6
Finish: Blue
Stock: Walnut 1 Piece Grip
Sights: Fixed
Barrel Length: 5.5
Features: Made by Uberti - Italy
