DD Barrel, Light Weight, 556NATO, 14.5", 1:7 Twist, Mid Length Gas System, Black 07-078-08072-018 Available to order on-line. Ships in 5-14 days Price: $338.00 Description Details Reviews Shipping info Mid Length Gas System UPC: 815604010221Manufacturer: Daniel DefenseModel: 07-078-08072-018Caliber: 5.56x45mm NATOCategory: PartsOtherUpper receiverStock: Ships in 5-14 business days.Unit/Measure: ea This item may be shipped directly to your home address, unless you live in a restricted state.