http://www.mek-schuetzen.de/Blueprints/webley_vulcan3.gif I have the same gun, mines been overhauled and tuned though.
top man,much appreciated,its the v10 and the v18 i am after in the diagram, anyone got any idea on the best place to order them on line
Your welcome they are around, ive made alot of the replacements myself using college machinery (only 16) and its bang on 11.5 ft/lb