Rohm pistol spares anyone

[GR01]

Hi there

Still been sorting out my dear mates funeral stuff came across a rohm sport pistol but I need the o ring that's on the regulator end that cylinder screw in to so if anyone knows the sizes that would be fantastic many thanks for any help

 

[Flinty]

Will DM you a pdf file for the twin master hope it helps

 

[GR01]

Many thanks