The DPMS Bull Sweet 16 is a target-oriented AR-15 with a 1-inch-diameter bull barrel, free-float aluminum handguard, and A2 fixed stock. Designed for benchrest and informal precision shooting where barrel stiffness improves group consistency. Type: Semi-Auto Rifle Action: Gas-Operated Caliber: 5.56x45mm Capacity: 30 Year introduced: 2005, USA Weight: 8.2 oz Overall length: 32.5" Status: Active Intended use: Precision, Bench Rest, Range