Fobus Thigh Rig: Drop leg extension unit with a Hand Gun Paddle Holster.Model: GLCH-EXND Fobus Thigh Rig: Drop leg extension unit with a Hand Gun Paddle Holster.Model: GLCH-EXND Fobus Drop leg extension Holster GLCH-EXND Fits to: Glock 17, 19 Active retention holds the weapon on the trigger guard until released with the holder's forefinger. Thigh Rig: Drop leg extension unit for all Fobus paddle holsters & pouches Fitting: Duty, Off Duty, Military