Compliant for NY and CA DS-15 Billet 7075 Aluminum Receiver Set w/ Forward Assist and Ejection Port Cover DSI Billet Ambidextrous Charging Handle DSI Nickel Boron M16 Bolt Carrier Group DSI Ultralight QD/M-lok 13” Forearm Micro Gas Block and Carbine Gas System DSI Stainless Steel 16” 5.56 Non Threaded 1:9 HBAR Barrel