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Sig Sauer
The Sig Sauer KILO4K BDX 6x22mm laser rangefinder brings Applied Ballistics to your hunting and precision-shooting kit in a purpose-built glass that stabilizes the shake out of long-distance glassing. Built for hunters and shooters who need fast, accurate range data in the field, the KILO4K pairs optical image stabilization with onboard ballistic smarts—temperature, pressure, and humidity sensors calculate real-time environmental corrections to your drops so you can dial or hold with confidence.
Stabilized optics matter when you're glassing steep country or trying to pick a target at the edge of your rifle's reach. The Gen II Lightwave DSP ranging engine locks ranges fast, and the 4x scan mode gets you distance data on distant terrain even faster. Five target modes—first, best, last, fog, and extended range—let you handle the shot you're actually taking, whether that's a clean deer, brush, or a reflective backstop at the range. Range performance tops out at 1,600 yards on game, 2,000 yards on hard targets, and 4,000 yards on highly reflective surfaces.
The ballistic engine runs Applied Ballistics UltraLite software with up to 25 bullet profiles and 8 onboard ballistic groups pre-loaded. Configure it to your exact rifle and ammunition, and the sensors feed live updates for wind, elevation, and temperature shifts. BDX 2.0 Bluetooth sync pairs the rangefinder with compatible BDX-enabled sights and devices, so your firing solution talks to your optic. Drop waypoints via the BASEMAP app to build reference points for your next hunt. Runs on a single CR123 battery for up to 4,000 ranges, waterproofed to IPX-7, and small enough—7.5 ounces—to live in a pack or chest rig all season.
| Magnification | 6x |
| Objective Lens Diameter | 22 mm |
| Field of View | 6.5° |
| Eye Relief | 15 mm |
| Diopter Adjustment Range | +/– 3 |
| Overall Length | 4.1 inches |
| Height | 3.1 inches |
| Width | 1.6 inches |
| Weight | 7.5 oz |
| Laser Divergence | 1.25 × 0.25 MRAD |
| Range on Deer | Up to 1,600 yards |
| Range on Trees | Up to 2,000 yards |
| Max Reflective Range | Up to 4,000 yards |
| Reticle | Circle + Milling Grid |
| Display | TOLED |
| Battery | 1 × CR123 Lithium |
| Battery Runtime | 4,000 ranges |
| Waterproofing | IPX-7 |
| Color | Graphite |
Yes. The rangefinder features BDX 2.0 Bluetooth capability, which syncs with other BDX-enabled sights and devices. Once connected, ballistic corrections calculated by the rangefinder can be shared with a compatible scope to streamline your firing solution.
The KILO4K runs Applied Ballistics UltraLite and allows you to load up to 25 bullet profiles and manage 8 onboard ballistic groups. You configure these to match your exact rifle and ammunition, and the onboard sensors (temperature, pressure, humidity) provide real-time updates to keep your drops accurate as conditions change.
A single CR123 lithium battery delivers approximately 4,000 ranges. Battery life depends on usage; keep a spare in your pack for extended trips.
Yes. The rangefinder is rated IPX-7 waterproof and is built to handle the weather you'll encounter in the field.
Sig Sauer
The Sig Sauer KILO4K BDX 6x22mm laser rangefinder brings Applied Ballistics to your hunting and precision-shooting kit in a purpose-built glass that stabilizes the shake out of long-distance glassing. Built for hunters and shooters who need fast, accurate range data in the field, the KILO4K pairs optical image stabilization with onboard ballistic smarts—temperature, pressure, and humidity sensors calculate real-time environmental corrections to your drops so you can dial or hold with confidence.
Stabilized optics matter when you're glassing steep country or trying to pick a target at the edge of your rifle's reach. The Gen II Lightwave DSP ranging engine locks ranges fast, and the 4x scan mode gets you distance data on distant terrain even faster. Five target modes—first, best, last, fog, and extended range—let you handle the shot you're actually taking, whether that's a clean deer, brush, or a reflective backstop at the range. Range performance tops out at 1,600 yards on game, 2,000 yards on hard targets, and 4,000 yards on highly reflective surfaces.
The ballistic engine runs Applied Ballistics UltraLite software with up to 25 bullet profiles and 8 onboard ballistic groups pre-loaded. Configure it to your exact rifle and ammunition, and the sensors feed live updates for wind, elevation, and temperature shifts. BDX 2.0 Bluetooth sync pairs the rangefinder with compatible BDX-enabled sights and devices, so your firing solution talks to your optic. Drop waypoints via the BASEMAP app to build reference points for your next hunt. Runs on a single CR123 battery for up to 4,000 ranges, waterproofed to IPX-7, and small enough—7.5 ounces—to live in a pack or chest rig all season.
| Magnification | 6x |
| Objective Lens Diameter | 22 mm |
| Field of View | 6.5° |
| Eye Relief | 15 mm |
| Diopter Adjustment Range | +/– 3 |
| Overall Length | 4.1 inches |
| Height | 3.1 inches |
| Width | 1.6 inches |
| Weight | 7.5 oz |
| Laser Divergence | 1.25 × 0.25 MRAD |
| Range on Deer | Up to 1,600 yards |
| Range on Trees | Up to 2,000 yards |
| Max Reflective Range | Up to 4,000 yards |
| Reticle | Circle + Milling Grid |
| Display | TOLED |
| Battery | 1 × CR123 Lithium |
| Battery Runtime | 4,000 ranges |
| Waterproofing | IPX-7 |
| Color | Graphite |
Yes. The rangefinder features BDX 2.0 Bluetooth capability, which syncs with other BDX-enabled sights and devices. Once connected, ballistic corrections calculated by the rangefinder can be shared with a compatible scope to streamline your firing solution.
The KILO4K runs Applied Ballistics UltraLite and allows you to load up to 25 bullet profiles and manage 8 onboard ballistic groups. You configure these to match your exact rifle and ammunition, and the onboard sensors (temperature, pressure, humidity) provide real-time updates to keep your drops accurate as conditions change.
A single CR123 lithium battery delivers approximately 4,000 ranges. Battery life depends on usage; keep a spare in your pack for extended trips.
Yes. The rangefinder is rated IPX-7 waterproof and is built to handle the weather you'll encounter in the field.
