The LWRC M6A3 is a piston-operated AR-15 with an enhanced bolt carrier group, LWRC's FOLSTOCK collapsible stock, and a monolithic upper receiver with integrated Picatinny rail. A transitional model between the M6IC and the IC-A5 series. Type: Semi-Auto Rifle Action: Piston-Operated Caliber: 5.56x45mm Capacity: 30 Year introduced: 2011, USA Weight: 7.4 oz Overall length: 35.5" Status: Discontinued Intended use: Patrol, Tactical