This is a North American Arms Revolver: Single Action known as the Mini-Revolver chambered in 22LR|22M, model # NAA-22MC, UPC 744253000188
Model Series: Mini-Revolver
Gun Type: Revolver: Single Action
Caliber: 22LR|22M
Action: Single Action
Capacity: 5
Finish: Stainless Steel
Stock: Wood Grips
Sights: Fixed
Barrel Length: 1.625
Overall Length: 5.25
Features: Conversion Cylinder Model