E2XT heads fit the two cell Arisaka 600 series and Surefire M600 Scout bodies.

55,000 candela and 500 out-the-front lumens. 1.23" diameter bezel. Very focused beam for maximum distance. Continuous run time is 30 minutes on two CR123 cells or 60 minutes on one 16650 cell. 

Malkoff Devices heads are fully potted for durability and are designed to handle weapon recoil.

The heads are CNC machined from 6061-T651 aluminum and MIL-A-8625 Type III hard coat anodized. The bead blasted finish matches the Arisaka light bodies and Momentary tailcaps. Made in the USA.