Professional series DDM4 V7 with enhanced trigger, upgraded bolt carrier group, and extended charging handle. DD's top-tier M4-format carbine. Type: Carbine Action: Semi-Automatic Caliber: 5.56x45mm NATO Capacity: 30 Year introduced: 2018, USA Weight: 108 oz Overall length: 32" Status: Active Intended use: Tactical, Law Enforcement, Competition