This is a Ruger Revolver: Single Action known as the Single Ten chambered in 22LR, model # 8100, UPC 736676081004
Model Series: Single Ten
Gun Type: Revolver: Single Action
Caliber: 22LR
Action: Single Action
Capacity: 10
Finish: Satin/ Stainless Steel
Stock: Hardwood/ Gunfighter
Sights: Adjustable/ Williams Fiber optic
Barrel Length: 5.5
Overall Length: 11