Featuring Blackhawk's patented SERPA Auto Lock release, the SERPA CQC Concealment Holster delivers a smooth draw, easy re-holster and unparalleled weapon security in a sleek package that is perfect for concealed carry. The speed-cut design allows for for rapid draw, target acquisition and re-holster. It fits Shoulder, S.T.R.I.K.E., Quick Disconnect and Tactical Holster Platforms. The Serpa CQC Carbon Fiber holster includes Belt Loop Platform and Paddle Platform. Fits- S&W M&P 9/.357 Sig/.40 & SD9 .40 (not CORE)