IC-A5 in 6.8 SPC II. Short-stroke piston, fluted barrel, nickel-boron BCG. Optimized for terminal performance over 5.56 NATO. Type: Rifle Action: Semi-Automatic Caliber: 6.8 SPC Capacity: 25 Year introduced: 2014, USA Weight: 6.9 oz Overall length: 32.5" Status: Active Intended use: Tactical / Competition, Law Enforcement