FIT: Glock 19/23 GENS 1-4 with M3, TLR-1, or SureFire X200/X300, X300U, X300V, TLR-1HL, Inforce APL, Nightstick TWM-350, TWM-350S, TWM-850, TWM-850S ALS® (Automatic Locking System) secures weapon once holstered; simple straight up draw once release is deactivated Open-top design without SLS for quick retrieval of weapon For use with red dot optic-equipped weapons Cordura nylon-wrap finish reduces Infrared (IR) Signature SafariLaminate thermal-molded construction protects handgun and sights Suede lined to protect handguns finish