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Ballistic Advantage Modern Series 5.56 NATO 13.7″ 1:7 Barrel – Black
Ballistic Advantage Modern SeriesBarrel556NATO13.7″1:7Bead BlastedFeatures:Chrome Moly VanadiumGovernment ProfileQPQ Corrosion Resistant Finish1:7 RiflingMid-Length Gas System1/2×28 Threaded