Bushmaster's Law Enforcement-designated A3 Tactical with a 16-inch chrome-lined barrel, flat-top upper, vertical grip, and an A3-style quad rail handguard. Built to the then-emerging "tactical" market specification with rail space for lights and lasers. Type: Rifle Action: Semi-Automatic Caliber: 5.56x45mm NATO Capacity: 30 Year introduced: 2000, United States Weight: 108.8 oz Overall length: 32.5" Status: Discontinued Intended use: Law Enforcement, Home Defense