Premium American-made semi-automatic .22 LR rifle with a 16.5-inch carbon-fiber-wrapped stainless barrel and an AR-style lower accepting 10/22 magazines. The Summit is the best production semi-auto .22 rifle available. Type: Rifle Action: Semi-Automatic Caliber: .22 LR Capacity: 10 Year introduced: 2015, USA Weight: 4.5 oz Overall length: 35.5" Status: Active Intended use: Competition,Target,Precision Plinking