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Holosun

Holosun Red 6 MOA Dot Aluminum Red Dot

Our editorial team reviews specifications, product data, and field-use information to keep pages accurate.

Open Reflex

Optical sight designed for subcompact

6 Moa

Red dot reticle for a

Lock Mode

Helps prevent inadvertent setting changes

Parallax-free Design

Powered Cr1632

Battery

$224.99
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SKU: HS407K X2-810047071204

Overview

Built for subcompact pistol setups, this open reflex sight is aimed at shooters who want a compact aiming solution for carry or other smaller-frame handgun applications. Its 6 MOA red dot and parallax-free design support fast sight acquisition, while Lock Mode helps prevent accidental changes to the settings once the optic is configured. The aluminum housing and battery-powered setup keep the profile straightforward, though the small window size reflects its compact role rather than a full-size optic format.

Why Hunters Choose the Holosun

Subcompact Pistol

Applications

6 Moa

Red dot reticle for a

Lock Mode

Helps prevent inadvertent setting changes

Parallax-free Optic

Design

7075 T6

Aluminum housing with anodized finish

Key Features

  • Open reflex optical sight designed for subcompact pistol applications.
  • 6 MOA red dot reticle for a simple aiming reference.
  • Lock Mode helps prevent inadvertent setting changes.
  • Parallax-free design.
  • Powered by a CR1632 battery.
  • 7075 T6 aluminum housing with anodized finish.

Best Used For

  • Subcompact pistol users wanting a compact open reflex sight for everyday carry setups
  • Shooters who want a 6 MOA red dot for fast sight acquisition on close-range pistols
  • Users who prefer Lock Mode to prevent accidental button changes during carry or handling
  • Hunters or outdoorsmen building a compact handgun optic setup with battery-powered simplicity
  • Those needing a parallax-free optic for subcompact pistol applications in varied conditions

Specifications

Battery TypeCR1632
Housing Material7075 T6 Aluminum
Lock ModeYes
Parallax FreeYes
Power SourceBattery
Reticle6 MOA Dot
Reticle ColorRed
Surface FinishAnodize
Window Size0.58x0.77
Working Temperature-30~60

Pros

  • Designed for subcompact pistol applications
  • 6 MOA red dot reticle for a clear aiming point
  • Lock Mode helps prevent inadvertent setting changes
  • Parallax-free optic design
  • 7075 T6 aluminum housing with anodized finish
  • Battery-powered with CR1632 cell

Considerations & Trade-offs

  • Designed for subcompact pistol applications, so it may not suit larger handgun setups or users looking for a full-size optic window.
  • The 0.58x0.77 window size is compact, which can be a trade-off for shooters who prefer a larger sight picture.
  • It uses a CR1632 battery, so ongoing battery management is part of regular use.
  • Lock Mode helps prevent inadvertent setting changes, but that also means the buttons can be intentionally locked during setup or adjustment.

Suggested Comparisons

  • Subcompact pistol red dot sights
  • Open reflex pistol optics
  • Battery-powered handgun optics
  • Aluminum-housed reflex sights

Suggested Accessories

  • Pistol optic mounting plate
  • Lens cleaning cloth
  • Battery
  • Protective optic cover

Frequently Asked Questions

What type of firearm application is the HS407K X2 designed for?

It is described as an open reflex optical sight designed for subcompact pistol applications.

What reticle does this optic use?

The listed reticle is a 6 MOA dot with a red reticle color.

Does the sight have a lock feature for the controls?

Yes. The HS407K X2 includes Lock Mode, which locks the buttons to help prevent inadvertent setting changes.

What power source does it use?

It uses a battery, and the specified battery type is CR1632.

What are the listed housing and window details?

The housing material is listed as 7075 T6 aluminum, and the window size is 0.58 x 0.77.