I have them for the Glock (very big) and for the SIG/CZ (a bit smaller).
When I tried to use mag holster for the M&P mags, I found the Glock too big and the CZ/SIG too tight.
I made the holder a bit bigger by forcing a mag into it and then heating with a hair dryer, while wiggling the mag. Now it holds the M&P mags perfectly.
When I tried to use mag holster for the M&P mags, I found the Glock too big and the CZ/SIG too tight.
I made the holder a bit bigger by forcing a mag into it and then heating with a hair dryer, while wiggling the mag. Now it holds the M&P mags perfectly.




















































