Dear all,

just found this thread on bore gun projectiles- very interesting as I have a Martini actioned Francotte 24 bore. A chamber cast revealed a case lenght of about 40mm long- bore is 0.608/0.626 as far as I can measure this accurately - 7 grooves you know. A shortened 24 magtech case will not chamber (rim thickness+ diameter of the case just in front of the rim).
I have some questions to you, Lancaster:
- are there some moulds available for these projectiles
-which reloading dies to use for these short cases????
-Could you furnish me the exact dimensions of the RWS 'cathead' projectile?
Do you have reloading data for these short 24ga cartridges (smokeless powder or black)

At first I thought I had bought a 577 snider but this was way to small for the bore size. Dimensionally these short 24ga cases strongly resemble the 58 berdan cartridge but the bore size of the berdan is smaller

Best regards,
Benny