LWRC Individual Carbine - Direct Impingement with 16-inch cold hammer-forged barrel. LWRC's DI offering to complement its piston lineup. Type: Carbine Action: Semi-Automatic Caliber: 5.56x45mm NATO Capacity: 30 Year introduced: 2012, USA Weight: 112 oz Overall length: 32.5" Status: Active Intended use: Tactical, Law Enforcement, Sport Shooting