This diagram taken from Browning’s instruction ebook to the Auto five reveals the bronze friction piece along with the friction ring. (Photograph courtesy Browning). The Browning Auto 5 will still operate reliably devoid of this adjustment, and apparently will actually perform without the bronze friction piece and friction ring installed https://exploring-the-versatility06059.onesmablog.com/the-best-side-of-auto-ordnance-thompson-75804673