My EDC is a 2022 i have medium to large hands. (i wear latex gloves medium barely fit large little baggy.) i have tried the small and medium grips at least i think they are small and medium grips. i prefer the medium grip fits my hand better finger placement on trigger is better. Mags are not cheap but what mag is? I haven't held or shot a 225 but a sig is a sig polymer or not. just my