This is a Ruger Pistol: Semi-Auto known as the Mark IV chambered in 22LR, model # 43910, UPC 736676439102
Model Series: Mark IV
Gun Type: Pistol: Semi-Auto
Caliber: 22LR
Action: Single Action
Capacity: 10+1
Finish: Red Anodized
Stock: Black Synthetic/ Checkered 1911-Style Grips
Sights: Front: Fixed Rear: Adjustable
Barrel Length: 4.40 1/2-28 Threaded Barrel
Overall Length: 8.40
Features: Magazine Disconnect/ Davidson's Exclusive