JP Enterprises LMOS 16 carbine featuring JP Low Mass Operating System. 16-inch JP match barrel. Dramatically reduced bolt carrier mass for faster lock time and reduced recoil. Type: Rifle Action: Semi-Auto Caliber: 5.56 NATO Capacity: 30 Year introduced: 2009, USA Weight: 62.4 oz Overall length: 32.5" Status: Active Intended use: Competition, Defense, Precision