The Noveske Gen 4 Infidel is a premium AR-15 featuring Noveske stainless steel barrel, Lo-Pro adjustable gas block, and enhanced mil-spec components throughout, representing the Noveske quality standard. Type: Semi-Auto Rifle Action: Gas-Operated Caliber: 5.56x45mm Capacity: 30 Year introduced: 2019, USA Weight: 6.9 oz Overall length: 35" Status: Active Intended use: Tactical, Precision, Home Defense