Original US WWII new/old stock, unissued, pack of 4 recoil springs, for use in the Thompson 1928A1, M1, and the M1A1 .45cal SMG.
See mor einformation below...
Original US WWII unissued pack of 4 recoil springs, for use in the Thompson 1928A1, M1, and the M1A1 .45cal SMG. These are still in the wrap, cosmoline covered, 70 year old US Army surplus.