These are common parts available to the Trade today. Joseph Brazier does not make parts like this although most Best Guns available since 1880 began with parts like these. All are castings and what you may receive if say... an ejector is ordered for an Italian sidelock today. The choice of a Brazier part or component is obvious as it requires no fitting at all. But as most of these guns are "one offs", your parts may have to be made with a file....Clockwise the parts shown are: An Extractor, Large Action Screw, Forend Ejector Hammer and Tombler or Hammer...These parts like the Screw are made for just one gun. Will fit just one gun. If broken......