The SL 6354RDSO holster redefines efficiency for your GLOCK 19 MOS with its innovative design tailored for firearms equipped with red dot sights. Featuring a robust Automatic Locking System (ALS), this holster ensures optimal security without the added bulk of a flip-up dust cover, offering easy access while protecting your optic. ALS Retention for enhanced security Accommodates GLOCK 19 MOS with X300 or similar large light Compatible with DPP/RMR/Acro sized optics Constructed from durable Multicam Cordura Experience the next level of firearm holstering with the SL 6354RDSO.