QRC (Quick Response Carbine) — Bushmaster's entry-level post-Cerberus-era AR-15 with a 16-inch barrel, six-position stock, and flat-top upper at a sub-$750 price point. Competed directly with Del-Ton and DPMS Oracle in the budget segment. Built to mil-spec minimum standards. Type: Rifle Action: Semi-Automatic Caliber: 5.56x45mm NATO Capacity: 30 Year introduced: 2009, United States Weight: 96 oz Overall length: 32.5" Status: Discontinued Intended use: Recreational Shooting, Home Defense