Updated MK116 with improved MLOK handguard and enhanced piston assembly. PWS' current-generation 16-inch long-stroke piston carbine. Type: Carbine Action: Semi-Automatic Caliber: 5.56x45mm NATO Capacity: 30 Year introduced: 2015, USA Weight: 112 oz Overall length: 33.5" Status: Active Intended use: Tactical, Law Enforcement, Sport Shooting