These need not be expensive or difficult to source. ring, 10x bullet connector, 15x 5/16in. ring, 10x bullet receptacle, 15x 250 female, 10x PB, 15x 6BA ring, 15x 250 male, 15x 4BA ring, 15x butt connector, 15x 2BA ring, 15x 2BA fork.
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