The Ruger 10/22 is the best-selling rimfire semi-automatic rifle in US history. Its rotary magazine, reliable action, and enormous aftermarket ecosystem have made it the standard recommendation for first-time rifle buyers. Type: Rifle Action: Semi-Automatic Caliber: .22 LR Capacity: 10 Year introduced: 1964, USA Weight: 5 oz Overall length: 37.25" Status: Active Intended use: Training / Plinking / Youth