The Bushmaster Patrolman's Carbine is a law-enforcement-oriented AR-15 with a 16-inch barrel, six-position collapsible stock, and a factory-installed quad-rail handguard for accessory mounting. Designed for patrol rifle duty with a durable finish and chrome-lined barrel. Positioned to compete with Colt's LE-series rifles in the police patrol rifle market at a lower price point. Type: Rifle Action: Semi-Automatic Caliber: 5.56 NATO Capacity: 30 Year introduced: 2009, USA Weight: 6.7 oz Overall length: 32.5" Status: Discontinued Intended use: Law Enforcement, Tactical