Sig Sauer KILO4K Rangefinder Monocular 6×22

The Sig Sauer KILO4K is a 6×22 rangefinding monocular built for precise ballistic solutions and steady long-range observation. It incorporates optical image stabilization (OIS) to reduce user-induced movement, and Applied Ballistics UltraLite for onboard ballistic calculations tied to real-time environmental sensors. The unit supports BDX 2.0 Bluetooth communication and provides reflective ranging performance up to 4000 yards under suitable conditions.

Key Specifications

• Magnification is 6x.
• Objective lens diameter is 22 mm.
• Maximum reflective range is 4000 yds.
• Field of view measures 6.5°.
• Eye relief is 15 mm.
• Weight is 7.5 oz.
• Power supply is 1 × CR123.
• Waterproofing is rated IPX-7.
• Run time is listed as 4000 ranges.
• Display type is TOLED and connectivity includes BDX 2.0.

With optical image stabilization, integrated Applied Ballistics Ultralite, and BDX connectivity, the KILO4K is tailored for users who need steady imaging and built-in ballistic computation in the field. Its suite of range modes and environmental sensors make it suitable for precision range work, long-range observation, and integrated sighting workflows where reliable data and stable optics matter.