Mag tailcaps treads

[B30wuLF]

i need all the info about the tail cap treads of a D cell mag to make a longer one. i want to fit 6 1850 in there.
fyi: i am using a european lathe.

 

[darkzero]

http://www.candlepowerforums.com/vb/showpost.php?p=668798&postcount=8

 

[B30wuLF]

thx darkzero