YHM Specter XL with 18-inch chrome-lined barrel and rifle-length gas system. The extended barrel and gas system reduce recoil and cyclic rate, making the Specter XL the preferred YHM configuration for precision and competition shooters. Type: Rifle Action: Semi-Automatic Caliber: 5.56 NATO Capacity: 30 Year introduced: 2012, USA Weight: 102 oz Overall length: 36.5" Status: Active Intended use: Sport Shooting, Precision Shooting, Competition