The Storm and Cherokee are chambered only in the 9mm Parabellum while the M-5 is chambered then 9mm Parabellum, 9x21, 9x23, .38 Super, .40 S&W, and .45 ACP.
The Storm and Cherokee are chambered for 9mm Parabellum, while the M-5 is chambered in a range of calibers including 9mm Parabellum, 9x21, 9x23, .38 Super, .40 S&W, and .45 ACP.