15.375

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    Proper DPMS AR308 Rifle Length Gas Tube?

    EDIT: I was wrong. I contacted my barrel manufacturer (JP). They confirmed that the .308 DPMS Supermatch barrels use standard AR15 length gas tubes. Can someone please point me in the direction of a Rifle Length Gas Tube for a DPMS AR308? Correct me if I'm wrong, but an AR15 Rifle length is...