The Daniel Defense DD BBL ASSY 5.56 1-7 16" M4 CAR delivers a rugged, precision-engineered option for AR-15/M16 platforms, built around a hammer-forged 5.56mm barrel designed to withstand demanding use while delivering consistent accuracy. Finished in Matte black, this 16-inch barrel features a true M4 configuration with a carbine length gas system and a 1:7 twist rate to stabilize a wide range of 5.56 rounds, making it an ideal upgrade for shooters seeking dependable performance in dynamic field conditions. The 16" profile balances maneuverability with velocity, supporting both recreational range sessions and practical field applications where quick follow-up shots and reliable cycling matter most. Daniel Defense emphasizes durability and consistency, producing a barrel that responds well to high-volume shooting while maintaining tight tolerances and predictable muzzle behavior. This barrel assembly integrates smoothly with standard AR-15 platforms, offering a straightforward upgrade path for builders and enthusiasts who demand a proven, battle-tested core component. With its matte finish and black aesthetic, it complements a wide array of rifle setups while delivering the reliability and performance associated with Daniel Defense engineering. Manufacturer Part # 07-075-08174-018. UPC 815604010702.