Starline Brass Star3840EUP1 Unprimed Cases 38-40 Winchester 100/Pack 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.
Type: Unprimed Case Material: Brass Length: 1.294"-1.300" Metal Type: Brass Caliber Or Gauge: 38-40 Winchester Quantity: 100 Per Bag Recommended Usage: Reloading