One Horse 16" 5.56 NATO Complete Upper Receiver, 15" M-LOK Handguard - OH-CU07

Complete AR-15 upper receiver assembly chambered in 5.56 NATO with a 16" barrel and 15" M-LOK compatible handguard. This drop-in upper is compatible with standard AR-15 lower receivers and includes all necessary components for assembly or use as a complete upper.