The Colt Trooper is a law-enforcement-duty-oriented AR-15 built on Colt's standard mil-spec foundation with a 16.1-inch chrome-lined barrel, Magpul MOE furniture, and Colt's standard single-stage trigger. The Trooper name targets patrol rifle procurement contracts at a competitive price point, offering genuine Colt mil-spec construction with factory premium furniture without the premium LE-series price. Type: Rifle Action: Semi-Automatic Caliber: 5.56 NATO Capacity: 30 Year introduced: 2018, USA Weight: 6.6 oz Overall length: 32.5" Status: Active Intended use: Law Enforcement, Tactical