Short-barreled 10.5-inch IC-A5 piston AR-15 NFA registered SBR with full piston reliability in a compact package. Type: Rifle Action: Semi-Automatic Caliber: 5.56 NATO Capacity: 30 Year introduced: 2013, USA Weight: 68 oz Overall length: 29.5" Status: Active Intended use: cqb, law_enforcement, patrol