The Model 7400 replaced the 742 in 1981 with an improved gas system, tighter tolerances, and a redesigned magazine. It sold over 800,000 units before being replaced by the 750 in 2006. Type: Rifle Action: Semi-Automatic Caliber: .30-06 Springfield Capacity: 4 Year introduced: 1981, USA Weight: 120 oz Overall length: 42.5" Status: Discontinued Intended use: Hunting, Deer