The Fenix GL06 is a compact weapon light that features a maximum output of 600 lumens and 459ft (140m) beam distance which allows you to easily spot your target no matter how dark it is. Specifically designed for compact pistols, this gun light will fit select pistols with barrel lengths of 4" or longer. It will not fit 3" sub-compact models. The GL06 model is used for pistols that utilize GLOCK or Picatinny rails. Patented quick-release structure and dual tactical tail switches provide users with fast and easy operation. FeaturesA CREE XPL HI LED with a lifespan of 50000 hours.Patented FENIX ultra-thin optical lens.QD lever for quick install and detach.Instant strobe.Ambidextrous switching with dual tactical tail switch.Made of durable A6061-T6 aluminum.Premium type HAIII hard-anodized anti-abrasive finish FitsWill fit most full-size pistols with a GLOCK or MIL-STD-1913 (Picatinny) rail.Will only fit a few compact pistols including the GLOCK 36, and some Springfield XDs...