Varmint Exterminator with 24-inch stainless steel heavy barrel and Hogue overmold stock. Windham's dedicated varmint and precision build. Type: Rifle Action: Semi-Automatic Caliber: 5.56x45mm NATO Capacity: 30 Year introduced: 2014, USA Weight: 168 oz Overall length: 43.5" Status: Active Intended use: Varmint Hunting, Precision Shooting