Line SI bushmaster oring size

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  • InsidiousAssassin
    Who let this guy in?
    • Aug 2020
    • 5

    #1

    Line SI bushmaster oring size

    Does anyone know the proper oring size that goes on the power tube?
  • Ecapnation
    MCB Member
    • Jul 2020
    • 4209
    • South Central Long Island

    #2
    On the valve seat?

    There shouldn't be one on the power tube

    Comment

    • InsidiousAssassin
      Who let this guy in?
      • Aug 2020
      • 5

      #3
      Yes

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