Daniel Defense DDM4 V7 in SBR configuration with 11.5-inch barrel. Requires NFA Form 1 or Form 4 tax stamp. Type: SBR Action: Semi-Auto Caliber: 5.56x45mm Capacity: 30 Year introduced: 2016, USA Weight: 61 oz Overall length: 26" Status: Active Intended use: Law enforcement / military / personal defense