Interesting link to an article on the parts used by WH to manufacture their Thompsons from 1975, written by Tom Davis, for those that have not already read it.
https://smallarmsreview.com/those-west-hurley-thompson-parts/
Good stuff Steve. Have you found a repro? I don’t have a front grip on mine and like it that way but it should have one really.
See pics my MV, MkII and a WW2 British Airborne 7 cell bandolier with mags.
JD