38-40 Win, 38-40 Winchester, 38-40 WCF, 38-40 Marlin, .38 WCF
1.294 - 1.3 O.A.L.
Large Pistol Primer
Originally a black powder cartridge, this is basically a .44-40 necked down to accept a .401" diameter bullet. Our .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.
