This holster with Automatic Locking System (ALS) builds on the foundation of the Self Locking System (SLS). It locks the weapon in all directions upon holstering, it’s operable with the thumb, and the weapon can be drawn straight out of the holster with no twisting required. The mid-ride belt loop allows the holster to ride close to the body. The suede lining helps protect the gun’s sights and finish. Durable leather look SafariLaminate construction with leather look finish. Gun fit: Glock 17 ITI M3 Glock 17 Streamlight TLR-1 Glock 17 Nightstick TWM-850S Glock 22 ITI M3 Glock 22 Streamlight TLR-1 Glock 22 Streamlight TLR-1HL Glock 22 SureFire X200 Glock 22 SureFire X300 Glock 22 SureFire X300U Glock 22 Inforce APL Glock 22 Nightstick TWM-350 Glock 22 Nightstick TWM-350S Glock 17 Streamlight TLR-1HL Glock 22 Nightstick TWM-850 Glock 22 Nightstick TWM-850S Glock 17 SureFire X200 Glock 17 SureFire X300 Glock 17 SureFire X300U Glock 17 Inforce APL Glock 17 Nightstick TWM-350 Glock 17 Nightstick TWM-350S Glock 17 Nightstick TWM-850