SIG Sauer announced the KILO Micro LRF on September 28, with Soldier Systems Daily among the first to cover the launch. At 2.7 inches by 1.9 inches and 3.4 ounces, SIG calls it the smallest laser rangefinder currently on the market — a pocket-sized monocular that the company says can confirm ranges past 1,000 yards, matching the performance claims of rangefinders two and three times its size.

SIG SAUER KILO Micro LRF

4x18mm monocular laser rangefinder, 3.4 oz, IP67, 1,000+ yard range, rechargeable

The KILO Micro runs SIG's GEN II LIGHTWAVE DSP ranging engine in a 4x18mm optical body. That magnification is enough to identify a target at distance without adding meaningfully to the package's already-minimal footprint. SIG integrated eight onboard firearm ballistic groups into the unit alongside a dedicated archery mode, making it useful across hunting disciplines from flat-shooting rifle cartridges out to open-country distances down to bowhunting where yardage precision is everything. Range information is presented on a display that reads in both red and green for visibility in variable light.

Battery life has historically been the sticking point on compact rangefinders. Most pocket units run on CR2 or coin cells that drain inconsistently and require a spare battery to carry alongside the main unit. The KILO Micro is rechargeable via USB-C and rated for 3,000 individual ranging pulses per charge, which for most field seasons means the unit charges back at home between hunts rather than requiring battery swaps in the field. SIG also rates the KILO Micro IP67 waterproof — protected against temporary immersion — so it survives the rain and creek crossings that come with early-season western hunts and late-season whitetail sits.

The KILO Micro ships with SIG's QDI magnetic harness mount, which snaps the rangefinder to a compatible chest harness or vest pocket attachment for repeatable placement and a one-handed draw. That inclusion moves the KILO Micro beyond the traditional hunting-pack use case into patrol, close-protection, and competition applications where a belt-accessible rangefinder that doesn't require fumbling through a pocket has real value.

SIG set the MSRP at $249.99, putting the KILO Micro in direct competition with mid-range compact rangefinders from Vortex, Bushnell, and Leica. The KILO line's higher rungs — the KILO3K, KILO4K, KILO5K, and KILO6K — carry substantially higher price tags along with larger objectives, binocular formats, Bluetooth connectivity to SIG's BDX ballistic ecosystem, and environmental sensors. The KILO Micro trades all of that for a form factor that disappears into a chest pocket and a price that keeps it within reach of hunters who don't need the full suite of electronic integration.

SIG unveiled the KILO Micro at the company's SIG NEXT 2026 event in September, the same gathering at which SIG also introduced the P385 striker pistol and the XRAY5 digital pistol optic. The KILO Micro is now available through SIG Sauer's authorized dealer network.