Daniel Defense 16" 5.56 DDM4v9 Complete Upper w/ 15" DDM4 Quad Rail - Black

The Daniel Defense 16" M4V9 Complete Upper is the same complete upper receiver assembly used on their M4V9 complete rifle. Using top quality components from their entirely in-house produced cold hammer forged barrels, lightweight free float MFR XS M-LOK handguards, and better than MIL-SPEC M16 bolt carrier groups means that you're getting one of the best uppers available for the AR-15.Features: Reliable and smooth mid-length gas system. Chrome lined 41V50 chrome moly vanadium steel barrel with manganese phosphate finish. M16 cut MIL-SPEC bolt carrier group with properly staked gas key and chrome lined bore. 15" DDM4 free float quad rail handguard provides plenty of accessory space and includes 3 santoprene rail covers. Effective flash suppressor helps tame flash. Hand assembled, quality checked, and test fired before leaving the Daniel Defense facility.