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Ballistic Advantage Modern Series 5.56 NATO 13.9″ 1:7 Barrel – Black
Ballistic Advantage Modern SeriesGovernment Profile Barrel223 Remington/556NATO13.9″Midlength Gas System1:7 Twist1/2X28 Threads4150 CrMoVQPQ Corrosion Resistant FinishBlackFeatures:Length: 13.9″Material: 4150 Chrome Moly VanadiumProfile: GovernmentFinish: QPQ Corrosion ResistantTwist Rate: 1:7 inchesGas System Length: Mid-LengthGas…