Daniel Defense DDM4V9, Semi-automatic Rifle, AR, 223 Rem/556NATO, 16 Hammer Forged Barrel, Black Finish, Daniel Defense Furniture, 32 Round, 1 Magazine 02-145-15175-047 The Daniel Defense DDM4V9 is designed to satisfy the needs of modern shooters not only in popular shooting sports but also for tactical and defensive applications. The long, 15" DDM4 quad rail over a 16" cold hammer forged Government profile barrel gives the operator the option to have the support hand extended out close to the muzzle allowing them to drive the gun more precisely, and preventing over travel when transitioning between multiple targets.