Daniel Defense DDM4 V7 with 16-inch cold hammer forged barrel in 5.56 NATO. Mid-length gas system. MFR 15.0 free-float rail. Considered one of the finest production AR-15s available. Type: Rifle Action: Semi-Auto Caliber: 5.56 NATO Capacity: 30 Year introduced: 2016, USA Weight: 61 oz Overall length: 32.25" Status: Active Intended use: Duty, Defense, Patrol