HS507C-X3-RD
Open Pistol Sight

HS507C-X3-RD

$352.93

NEW FOR 2026 - Available Now

The HS507C-X3-RD-MRS updates the proven 507C platform with a reinforced 7075-T6 aluminum housing and Holosun’s versatile Multi-Reticle System.

Built on the widely adopted RMR footprint, Solar Failsafe, Shake Awake, and a side-loading CR1632 battery deliver dependable operation with extended runtime.

Multi-Reticle System (MRS)
Selectable 2 MOA dot, 32 MOA circle, or circle-dot combination for adaptable targeting.

Red Super LED
650nm LED delivers a crisp aiming point with extended battery efficiency.

Solar Failsafe Technology
Ambient light sensor automatically adjusts brightness and provides backup power.

Shake Awake Technology
Motion-activated system powers the optic on instantly while preserving battery life.

Side-Loading Battery Tray
CR1632 battery replacement without removing the optic from the firearm.

Lockout Mode
Prevents accidental brightness or setting changes during carry or duty use.

7075-T6 Aluminum Housing
Hard-anodized aluminum construction with IP67 waterproof rating and 5000G vibration resistance.

series

No items found.
Find A DEALER
507C-X3 Series

HS507C-X3-RD

Features

  • Red Multi-Reticle System (MRS)
    Selectable reticle options include a 2 MOA red dot, 32 MOA circle, or combined circle dot for precision or rapid target acquisition.
  • Red Super LED Technology
    650nm red emitter provides a crisp reticle with efficient power management and up to 100,000 hours of battery life.
  • Forward-Facing Light Sensor
    Integrated photodiode automatically adjusts reticle brightness based on surrounding lighting conditions.
  • Solar Failsafe System
    Solar panel provides backup power and assists with brightness management in changing lighting environments.
  • Shake Awake Technology
    Motion activation instantly powers the optic on and powers down during inactivity to preserve battery life.
  • Manual Brightness with Lockout Mode
    Brightness controls include memory and lockout modes to prevent unintended adjustments during carry or duty use.
  • Side Mounted Battery Tray
    CR1632 battery compartment allows quick battery replacement without removing the optic from the slide.
  • Extended 100,000 Hour Battery Life
    Efficient power management delivers up to 100,000 hours of runtime on a single battery.
  • 7075-T6 Aluminum Housing
    Hard anodized aluminum construction provides durability and strength for everyday carry and range use.
  • RMR Footprint Compatibility
    Industry standard RMR footprint allows direct mounting to a wide range of optics ready pistol slides.

FUNCTIONS

Selectable Reticle

Yes

Solar Power

Yes

Shake Awake Technology

Yes

Auto Off

Yes

Memory

Yes

Manual Brightness

Yes

Automatic Brightness

No

Lockout Mode

Yes

OPTICAL DATA

Light Source

LED

Wavelength

650nm

Reticle

2 MOA Dot & 32 MOA Circle

Magnification

1x

Parallax

No

Unlimited Eye Relief

Yes

Multi-Coatings

Yes

ELECTRONIC DATA

Battery

CR1632

Battery Life (Setting 6)

50,000 Hours

Brightness Setting

8 Daylight & 4 NV

Removable Battery

Yes

Battery Location

Side Tray

MECHANICAL DATA

Housing Material

7075 T6 Aluminum

Surface Finish

Anodized

Housing Color

Black

Adjustment Per Click

1 MOA

W&E Travel Range

±50 MOA

Storage Temperature

-40°C~70°C

Working Temperature

-30°C~60°C

Submersion

IP67

Vibration

5000G

PHYSICAL DATA

Window Size

0.91" × 0.67"

Body Dimensions

1.78" × 1.31" × 1.1"

Body Weight

1.55 oz

Fitment

Direct Mount

RMR Footprint

In The Box

HS507C-X3-RD


Lens Cloth


Multi-Tool


Manual


Warranty Card

Discover The Holosun Difference

Latest Products

HE509T-X2-GR-FDE
HE509T-X2-GR-FDE
Green Multi-Reticle - Enclosed Pistol Sight
HE508T-X2-RD
HE508T-X2-RD
Red Multi-Reticle - Open Pistol Sight
EPS-RD-6
EPS-RD-6
Red Dot - Enclosed Pistol Sight
EPS-GR-6
EPS-GR-6
Green Dot - Enclosed Pistol Sight
HE507K-X2-GR
HE507K-X2-GR
Green Multi-Reticle - Open Pistol Sight
EPS-CARRY-RD-MRS
EPS-CARRY-RD-MRS
Red Multi-Reticle - Enclosed Pistol Sight
Find a Dealer

Find a Dealer

Access our network of authorized dealers.

News and Events

News & Events

Your source for everything Holosun.

Catalogs

Catalog

Every product, all in one place.