Blackhawks Serpa CQC Concealmemt holsters with patented Serpa AutoLock technology the holster delivers a smooth draw easy reholster and unparalleled handgun security that is perfect for concealed carry. Features passive retention detent adjustment screw. Includes Belt Loop Platform and Paddle Platform. Fits Shoulder S.T.R.I.K.E. Quick Disconnect and Tactical Holster Platforms.