IC-A5 piston platform chambered in .300 Blackout with a 16.1-inch barrel. LWRC's piston system is particularly suitable for .300 BLK suppressed use because it reduces the carbon fouling that subsonic loads produce in direct-impingement carriers. Type: Semi-Auto Rifle Action: Piston-Operated Caliber: .300 Blackout Capacity: 30 Year introduced: 2016, USA Weight: 7.2 oz Overall length: 35" Status: Active Intended use: Hunting, Suppressor Host, Range