This diagram taken from Browning’s instruction ebook to the Auto five demonstrates the bronze friction piece along with the friction ring. (Photo courtesy Browning). The Browning Auto five will continue to do the job reliably without having this adjustment, and seemingly will in fact function without the bronze friction piece https://buydiamondbackfirearmsdb140493.dbblog.net/8380667/the-best-side-of-auto-ordnance-thompson