Full box of Remington Army , bennet primed Frankford arsenal ammo, cal 50

Full box of Remington Army , bennet primed Frankford arsenal ammo, cal 50 . The bennet primed (inside primed center fire) shells are pre loaded with black powder, only the head has to be added,  not many of these pre loaded boxed shells were made. all original, part of label missing,  for the Remington single shot pistol Army or Navy.