Originally a black powder cartridge, this is basically a .44-40 necked down to accept a .401" diameter bullet. Starline's .38-40 brass has a wall thickness of .0062" but is still stiffer and less fragile than other brands which make it much easier to reload.
|Caliber or Gauge||38-40 Winchester|
|Quantity||100 Per Bag|
Determined at checkout.