I really like the storm, I've each the complete measurement LE product as well as the compact size and after owned the Sub also. Obtaining owned and shot all3 Beretta PX4 Storm products I would not carry a Storm Sub .40 S&W because the innovative bit of the PX4 Storm https://redgearguru.com/learn-how-to-pin-a-collapsible-stock-on-a-rifle/