CYTAC Matrix G4 Hardshell Adjustable Holster for GLOCK G19 Series Color:Tan Adjustable Retention: Provides customizable firearm Adjustable Retention: Provides customizable firearm security to suit personal preferences Regular maintenance is needed for all airsoft guns in order to keep it in good working condition and reduce wear out issue on parts the trigger lock style adds an extra level of retention and security over standard friction locking holsters by locking the pistol in via the trigger guard The position of the release puts your index finger at the ready position as soon as the sidearm leaves the holster for fast weapon manipulation