Sig Sauer KILO4K 6x22mm Ballistic Rangefinder

The Sig Sauer KILO4K is a 6x22mm rangefinding monocular designed for ranging and ballistic reference in a compact optical platform. It combines optical image stabilization, a Gen II Lightwave DSP ranging engine, onboard environmental sensors, and Applied Ballistics Ultralite for configurable ballistic calculations.

BDX 2.0 Bluetooth connectivity supports communication with compatible BDX-enabled sights and devices, while multiple target and range modes provide flexibility for field and range use.

Key Specifications

• The optical system provides 6x magnification with a 22mm objective lens.
• The maximum reflective ranging distance is listed as up to 4,000 yards.
• The rangefinder lists ranges of up to 1,600 yards on deer and up to 2,000 yards on trees.
• Optical image stabilization helps maintain a steady view during observation and ranging.
• The unit includes Applied Ballistics Ultralite with configurable ballistic profiles and onboard environmental sensing.
• Available range modes include BDX-U, BDX-X, AMR, LOS, and Archery.
• Target modes include first, best, last, fog, and extended range.
• The display is a TOLED type with a circle and milling-grid reticle.
• The monocular weighs 7.5 ounces and provides 15mm of eye relief.
• The housing is rated IPX-7 waterproof and uses one CR123 lithium battery.

With image stabilization, environmental sensing, configurable ballistic tools, and BDX 2.0 connectivity, the KILO4K brings a broad set of ranging functions into one field-ready monocular. Its optical and electronic features make it a practical choice for users who want detailed range information and flexible ballistic support in a compact format.