Steiner Optics MK4 Battle Light Weapon Light (500 Lumens)
The Steiner Optics MK4 Battle Light is a low-profile, weapon-mounted white light with a 500-lumen output and a Total Internal Reflection lens. Beam divergence is 10° with a listed range of 300 m, in a compact body designed to sit close to the rail.
Built from aircraft aluminum and rated submersible to 5 m, the MK4 uses a MIL-STD-1913 / Picatinny rail interface with a thumb-screw mount and integrated push-button activation. This unit includes a thumb pad.

