rdb piston head

  1. Jamestk
    Thread

    Gas piston springs

    have sent my RDB back twice for piston head replacement. Both times the the whole spring, o-rings, and plunger were pushed in and welded...
    Thread by: Jamestk, Nov 8, 2018, 4 replies, in forum: RDB Bullpup Rifle
Showing results 1 to 1 of 1