This PDF download, excerpted from the Gun Digest Book of Exploded Gun Drawings, offers an exploded view of Colt Lawman Mk. III Revolver, Colt Metro Police Mk. III Revolver, Colt Official Police Mk. III Revolver, Colt Trooper Mk. III Revolver and Colt Peacekeeper Revolver firearms. The PDF contains numbered and labeled parts for the Lawman Mk. III, Metro Police Mk. III, Official Police Mk. III, Trooper Mk. III and Peacekeeper that will assist you with gun assembly, gun disassembly and gunsmithing for these Colt guns.