DDM4 in SBR/pistol config with 10.3-inch cold hammer forged barrel. Mil-spec quality short-barrel AR. Type: Pistol Action: Semi-Automatic Caliber: 5.56 NATO Capacity: 30 Year introduced: 2014, USA Weight: 63 oz Overall length: 26" Status: Active Military use: Yes Intended use: Tactical, Law Enforcement