belcherbits
Member
I see this item on ebay today (March 26). It might be the launch piston for the M28 version of the Davy Crockett nuclear weapon. If so, it's got to be an unusual find. I'm pretty sure you will never get the projectile for that 
https://www.ebay.com/itm/US-Army-la...372657?hash=item41ddf013b1:g:WDgAAOSwvGlaY4zX
https://www.ebay.com/itm/US-Army-la...372657?hash=item41ddf013b1:g:WDgAAOSwvGlaY4zX