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. 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. This model has a black matte finish and is compatible with Glock 20/21/37; S&W M&P 45, 9/40 Pro.