Radian Weapons Model 1 with 18-inch stainless steel match barrel and rifle-length gas system. The extended configuration uses a Radian mid-weight barrel profile for a balance of weight and stiffness, and includes the same ADAC lower with Raptor charging handle and Talon safety. Type: Rifle Action: Semi-Automatic Caliber: 5.56 NATO Capacity: 30 Year introduced: 2016, USA Weight: 114 oz Overall length: 36.25" Status: Active Intended use: Precision Shooting, Competition, Tactical