38 S&w LAUNCH CARTRIDGE. Some of these cartridges might have light corrosion on them, but the ones we have tested work.
40MM, Large Bore, M-79/203
M79/203 38 S&W launch cartridge.
$55.00 – $199.00
38 S&W Launch cartridges, these will all fire and work great but some of them will have light corrosian and chalk on the exterior of the case.