BLACKHAWK! Level 3 Serpa Light Bearing Duty Holster 44H5 NOMEX MD (36 40") OPTION:Viper MSS MD (36 40") 1 × Integrated rail grip clamp system for pistol accessory rails the Level 3 Light Bearing Duty Holster makes it possible to wear a weapon mounted light while on duty Xiphos NT Light only) Passive retention detent adjustment screw and SERPA Auto Lock release Thumb activated Pivot Guard for additional security No thumb break or awkward middle finger release to slow down your draw Reinforces full master grip and superior draw technique Immediate retention and audible click upon re holster for increased officer safety No snaps or hoods to accidentally open Full length holster body protects rear sights Same drawing technique for undercover