4 Inch Stokes Mortar Question

[peteblight]

Has anyone seen a Stokes mortar with a threaded tail like this?
I've seen thousands of these and don't recall ever seeing one with a threaded tail..........

Cheers

Pete

 

[glevum]

There is a previous thread

http://www.bocn.co.uk/vbforum/threads/85148-US-4-quot-Stokes-mortar