sent pics to sw to see if it is thiers
thanks for the direction towards S.W.
i sent them some pic email, will let you know what they say. the blue book says the brass thread is 3/8 by 11.
how do you measure a joint pin? i have calipers but dont know where or what standard of measurement they are referring to. any info on that?
thanks again..
p/s. there is a weight bolt in the butt end, here are some pic of it..