37mm M6 breech ring
 

Pursuing a scheme to take a de-miled 37mm breech ring and - after getting BATF papers - lightly weld it together with a Blank Fire sub-caliber device.

a 20mm insert will go in so it can't be later sold and used with a welded ring for live fire.

This is going in my Humber Mk4 Armoured Car.

So... looking for either a breech ring that has been cut into three pieces or if someone has the cad drawings to machine a new one.

This thread might be in the Sales as "wanted", but starting here for a focus with the cannon cockers...