The versatile Fenix GL19R is one of the best weapon mountable lights available, featuring Glock and 1913 rail attachments and a single ARB-L18-1100P Fenix battery that powers up to 1200 lumens of white light. Its USB Type-C Rechargeable capability ensures that you don't need to remove it from the rail to charge, and the light only weighs 3.5 ounces, adding minimal weight to the weapon. For law enforcement and security personnel, this is an ideal tactical light.