LaRue Tactical OBR 5.56 in 16-inch configuration. Shorter OBR variant for more compact precision applications while maintaining LaRue quality. Type: Semi-Auto Rifle Action: Semi-Automatic Caliber: 5.56x45mm Capacity: 30 Year introduced: 2012, USA Weight: 80 oz Overall length: 33" Status: Active Intended use: Precision/Patrol