Blackhawk serpa sprtstr paddle rh s&w m&p 9/40 gunmetal gray FEATURES:-Versatile-Level 1 Retention: passive retention detent adjustment screw aids in weapon retention-Level 2 Retention: auto lock solidly secures firearm, only releases during draw cycle-Speed-cut Design: aids in rapid draw, target acquisition & re-holster Other Features: Auto lock technology paddle platform only passive retention detent adj….