- 3931 (service) valve screw of the Italian company Pietta. Designed for the 1862 Spiller & Burr .36 cal black powder revolver.
3931 (service) valve screw of the Italian company Pietta. For blackpowder revolver 1862 Spiller & Burr .36 cal.
Technical Specification:Schematic of the revolver: 1862 Spiller & Burr Product number: 3931
Part name: Hammer Screw Spiller
Diagram number: 27
Producer: Pietta, Italy
Created by: Sharg® Company - exclusive importer