RWTF.....Maybe I could answer some of your 'Questions' Re Parker No 168304? I spent several hours with"Her"...Some guns That I have close relations with....Toying with their'Internals',Going into unexplored dark 'Holes",Gently lubricating the more sensitive parts that with a "Touch", that has taken me 50 yrs to "Get Right"(I have found that I can set these Hysterical/whoops.....Historical old Pieces back to working just like they were when they were 16 yrs old....Getting Old Is Hell'...For Whom The Bell Tolls.....cc/dt