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SIG Sauer BDX Combo Kit, Kilo1800BDX LRF and Sierra3BDX Rifle Scope 4.5-14x44mm SOK18BDX01


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The Sig Sauer BDX Combo Kit combines the Sierra3BDX Riflescope with the Kilo 1800BDX Laser Rangefinder to produce a set up that insures your shot will hit its mark and give you a clean kill. The riflescope and laser range finder work in conjunction via Bluetooth connection. The on-board software utilizes Sig Sauer’s BDX ballistics calculation system, that takes into account your rifle’s ammunition type, windage and distance to the target to calculate a shooting solution. The result of this calculation is then transmitted to the Sierra3BDX riflescope, and a holdover point will illuminate in the recital. Using the BDX system is fast and easy: download the “SIG BDX” app onto an Android or iOS smartphone, pair the Sierra3BDX scope with the Kilo 1800BDX rangefinder via Bluetooth and set up your ballistics profile. After that, the whole system is ready for hunting or shooting.

Features of the Sig Sauer BDX Combo Kit:

  • Scope and Laser Rangefinder connect via Bluetooth
  • Uses Sig Sauer’s Applied Ballistics Ultralight™ and LevelPlex™ digital anti-cant software systems to provide an accurate shooting solution to riflescope

Features of the Sierra3BDX Riflescope:

  • Weighs 23.2 ounces
  • 30mm tube size
  • 44mm objective lens
  • Eye relief: 3.35" high, 4.21" low
  • Second focal plane

Features of the Kilo 1800BDX Laser Rangefinder:

  • Weighs 7.9 ounces
  • 17mm eye relief
  • 22mm objective lens


  • Item ConditionNew
  • Magnification Range:4.5-14x
  • Scope Objective Diameter:44mm
  • Scope Tube Size / Mount:30mm
  • Turret Adjustment (Click Value):0.25 MOA
  • Reticle Position:Second Focal Plane
  • Reticle Details:BDX-R1 Digital
  • Illuminated Reticle:Yes: BDX-R1
  • Scope Finish:Black
  • Scope Turret Rotation:Counter Clockwise (CCW)
  • Product TypeRiflescopes
  • Dimensions:4.0"x2.9"x1.3" (LxHxW)
  • Range:1000 yards on deer
    1200 yards on trees
    2000 yards max reflective
  • Monocular Details6x magnification
    22mm objective lens
  • Angle CompensationYes
  • Measurement UnitsYards
  • Beam Divergence1.5 MRAD
  • Battery Type(1) CR2
  • UPC798681593606

Customer Reviews

Average Rating
September 27, 2021

This is a great scope and rangefinder combo. The pairing between the two devices was extremely easy with the phone application. The ability to customize your bullet load and even add in windage if desired makes this scope so useful. It has great features. I zero'd it in easily and cannot wait to shoot it more

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