IC-A5 in 6.5 Grendel. LWRC piston system tuned for the longer Grendel cartridge; 24-inch effective range advantage over 5.56. Type: Rifle Action: Semi-Automatic Caliber: 6.5 Grendel Capacity: 26 Year introduced: 2015, USA Weight: 7 oz Overall length: 32.5" Status: Active Intended use: Tactical / Competition