M.A.C.H.O.S. arm for SIONYX Aurora

1-2 days

Left or Right arm compatible with the M.A.C.H.O.S. v2020 and FAST v2020. It replaces either the left or the right arm and allows the mounting of a SIONYX Aurora

Please note this is not a complete assembly. This part is only the left/right SIONYX Aurora arm that will connect into a MACHOS v2020 center section (which is NOT included).

In stock


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Worldwide delivery via DHL Express

Adaptive Combat Helmet Optics System

The v2020 revision Feature and Improvements

Eye piece alignment

  • All of the arms (Aurora, PVS-14, Mini-Rail) ensure a binocular setup by aligning the device eyepieces.

Pivoting arms with adjustable hinge torque

  • Allows the devices to be pivoted and folded closer to the head
  • Drastically reduces the "weight" and stress put on your neck, by moving the devices closer to your head
  • Adjustable torque (via the front M5 screw) for pivoting the arms
  • Includes spare nylon hinge bushings

Pupillary Distance Adjustability (60mm to ~70mm)

  • Large plastic thumb-screws allow fast pupillary-distance field adjustment while wearing gloves.
  • Clock Wise = reduce PD
  • Counter Clock Wise = increase PD

"Infinite" adjustment independent for each eye

  • 30mm to 34.875mm (60mm to ~70mm) Pupillary Distance

Fore & Aft adjustment with Multiple dovetail positions

  • 3 different dovetail spots allowing fore & aft adjustments

Light and Wobble free

  • CNC Machined out of 6061 Aluminium components
  • 125 gr (4.4 oz)
  • Arms tensioners. Small thumb screws in the back of the center section will allow the tensioning and/or the locking of the arm.


Dovetail mounts

  • CNC Machined dovetail interface shoe out of 6061 Aluminium
  • Multiple seating positions via the 3 included bases, that allow even more fore & aft adjustment relatively to the eye

Bayonet mounts

  • Coming soon!

SIONYX Aurora arms

Compatible devices

  • Aurora (classic)
  • Aurora Sport
  • Aurora Black
  • Aurora PRO
  • Co-Aligns with other SIONYX Auroras, PVS-14, Mini-Rail devices like FLIR Breach, NYX-14, etc.

Captive Thumb Screws which allow Collimation (New!)

  • Rapidly add and remove the camera without worrying you will lose the screw.
  • Easily collimate 1 or 2 SIONYX Aurora devices by pivoting them.

Product videos

  1. Lion’s Gear Solutions video (coming soon)
  2. Anvil Airsoft video


EN: This product is designed, engineered and built for the sole purpose of training, sports (hiking, airsoft, stargazing and astronomy, boating), LARP (Live Action Role Playing) and re-enactment.
RO: Acest produs este proiectat, dezvoltat si construit in scopul exclusiv de a fi folosit la antrenamente, sporturi in aer liber (drumetii, airsoft, astronomie, plimbari cu barca, LARP (Live Action Role Playing) si reconstituiri. 

Data sheet

Compatible device
SiOnyx Aurora

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