This is a North American Arms Revolver: Single Action known as the Mini-Revolver chambered in 22M, model # NAA-22MS-HG, UPC 744253000928
Model Series: Mini-Revolver
Gun Type: Revolver: Single Action
Caliber: 22M
Action: Single Action
Capacity: 5
Finish: Stainless Steel
Stock: Holster Grip/ Unfolds & Locks to Become Handle
Sights: Fixed
Barrel Length: 1.125
Overall Length: 5.25 Open & 4.625 Closed
Features: ADVISORY: Don't use PMC Ammunition PER MANUFACTURER