French 25mm model 1917 Flare Pistol

01. Original name M1917 Flare Pistol  
02. Other official names French MECANICARM M1917  
03. Popular names   
04. Chamberings 25mm  
05. Designed by Chobert  
06. Design date 1917  
07. In service date(s)   
08. Adopted by French forces; an all steel version used by Finnish Army during WW2  
09. Production quantities   
10. Mechanism Thumb cocked hammer, spur trigger, single action operation. Steel barrel latch on LHS rotates 180 to open barrel; no extractor.  
11. Weight 2.75lb / 1.2kg  
12. Mountings   
13. Practicality in action Cut outs each side of chamber to assist manual extraction  
14. Comments / Other information