Original DDM4 with 16-inch cold hammer-forged barrel, carbine gas system, and Daniel Defense free-float handguard. The model that launched the DD brand. Type: Carbine Action: Semi-Automatic Caliber: 5.56x45mm NATO Capacity: 30 Year introduced: 2008, USA Weight: 112 oz Overall length: 32" Status: Active Intended use: Law Enforcement, Home Defense, Sport Shooting