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Holosun HE407K-GR-X2 Green Dot Sight | 6 MOA Dot


The HE407K-GR-X2 is an open reflex optical sight designed for subcompact pistol applications. Featuring Lock Mode, which locks the buttons preventing inadvertent setting changes when activated.

This mini open reflex sight with a green 6 MOA reticle is characterised by a brilliant green reticle. For sub-compact pistol applications.

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The HE407K-GR-X2 is an open reflex optical sight designed for subcompact pistol applications. The HE407K-GR-X2 improves on the previous version by adding Lock Mode which was first introduced in our 2018 LEM pistol optic models. Lock Mode, when activated, locks the buttons preventing inadvertent setting changes.

Additional features include Holosun’s Green Super LED with up to 50K hour battery life, a crisp 6MOA dot, and Shake Awake. The durable housing is made from 7075 Aluminum, uses Holosun’s K footprint, and houses the 1632 battery in a side-mounted tray for easy replacement when needed.

The X2 series expands on the existing features for automatic and manual modes with an innovative lock mode (only solar failsafe models have the automatic mode). The lock mode locks the buttons to prevent accidental changes to the settings.

Shake Awake™

Shake Awake Technology is a standard feature on all current model Holosun optics and serves to extend battery life by deactivating the optic’s LED while not in use. A highly sensitive motion sensor works to detect motion keeping the LED powered on during use.

This allows for duty or concealed carry with seamless operation throughout your day or shift. At the end of your day or shift when your firearm is stored, the motion sensor will detect a motionlessness state and after 10 minutes (default setting) Shake Awake Technology powers the LED off until motion is again detected. Shake Awake offers settings from 10 minutes to 12 hours depending on the model and can be deactivated altogether if preferred. The slightest touch of the optic instantly reactivates the LED so your Holosun optic is ready when needed.

  • 6 MOA Dot Reticle
  • Up to 50,000 Hour Battery Life
  • 12 Brightness Setting: 10 DL & 2 NV Compatible
  • Shake Awake™ Technology with Last Setting Recall
  • Convenient Battery Tray Compartment
  • Parallax Free & Unlimited Eye Relief
  • MOA Windage & Elevation Adjustment Per Click
  • 6 MOA Dot Reticle
  • Green reticle colour
  • Battery: CR1632
  • Battery Life: 50,000 hours
  • Reticle Brightness: 10 Daylight & 2 Night Vision Compatible Settings
  • Window Size: 0.58 × 0.77 in (14.7mm x 19.6mm)
  • Windage & Elevation Range: +/-30 MOA
  • Housing Material: 7075 T6 Aluminum
Package Includes:
  • Holosun 407K-GR-X2 Green Dot Sight
  • T10 L Key
  • CR1632 Battery
  • User Manual
  • Lens Cloth

Holosun 407K-GR-X2 features a modification of the Shield RMS/SMS mounting standard. Please click HERE for more info.


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