Featuring their patented SERPA Auto-Lock(TM) technology the SERPA CQC Concealment Holster delivers a smooth draw easy re-holster and unparalleled handgun security in a sleek package that is perfect for concealed carry. Features a passive retention detent adjustment screw. Rapid draw target acquisition and reholstering are improved with the speed-cut design of the holster. They fit Shoulder S.T.R.I.K.E. Quick Disconnect and Tactical Holster Platforms.