The enhanced-specification ACR with folding stock, quick-change barrel system, and ambidextrous controls. Derived from the Magpul Masada concept rifle, the ACR Enhanced added a free-float handguard and enhanced trigger over the base model. Launched at $2,700 — nearly triple the rumored pre-release price point. Type: Rifle Action: Semi-Automatic Caliber: 5.56x45mm NATO Capacity: 30 Year introduced: 2011, United States Weight: 105.6 oz Overall length: 35" Status: Discontinued Intended use: Recreational Shooting, Competition