The Fenix GL06/GL06-365 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. The GL06-365 model fits SIG SAUER® P365, P365X, P365-380, P365XL, P365 SAS, and possibly any other type of firearm that shares that same rail type. Patented quick-release structure and dual tactical tail switches provide users with fast and easy operation.