Blackhawk CQC Ruger SR9 Holster -Featuring our 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. SERPA Auto Lock releasePassive retention detent adjustment screwSpeed-cut design for rapid draw, target acquisition and re-holsterIncludes Belt Loop Platform and Paddle Platform Fits Shoulder, S.T.R.I.K.E., Quick Disconnect and Tactical Holster Platforms