Model 6365 Low Ride ALS Duty Holster w/ SLS Gun Fit: Glock 21 with Rails and Surefire X200 (4.6 bbl)
This 6365 with Automatic Locking System (ALS®) for light mounted guns builds upon the Self Locking System (SLS). Locks the gun in all directions upon holstering, it's operable with the thumb, and the weapon can be drawn straight out of the holster. With low-ride belt loop. Leather-look finish.