Holosun HS507C X3 red dot sight with a switchable multi-reticle system of dot, circle or circle-dot

Holosun HS507C X3 red dot sight with Solar Failsafe backup power that runs the dot in daylight

Holosun HS507C X3 red dot sight with an open emitter on the RMR footprint for direct slide mounting

Holosun HS507C X3 red dot sight in a matte black 7075 aluminium housing

Holosun HS507C X3 red dot sight with Shake Awake motion activation to preserve battery life

Holosun HS507C X3 red dot sight with a side-loading CR1632 battery tray that keeps zero when swapping cells

Holosun HS507C X3 red dot sight with 12 brightness settings including two night vision levels

Holosun

Holosun HS507C X3 Red Dot Sight Multi-Reticle System Solar Failsafe – HS507C-X3-RD

£299.99

Tax included. Shipping calculated at checkout.

In stockSKU: HS507C-X3-RD

Estimated delivery within 7–10 business days
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Description

The Holosun HS507C X3 Red Dot Sight is an open-emitter pistol red dot sight with the Multi-Reticle System — switch between a 2 MOA dot, a 32 MOA circle, or circle-dot for precision or speed. The X3 platform adds refined ergonomics and a forward-facing light sensor, on the widely supported RMR footprint.

Solar Failsafe auto-adjusts brightness and backs up the CR1632, with Shake Awake and Lock Mode. 7075-T6 aluminium, IP67, 5000G.

How It Compares

Want a single dot, or green/gold MRS? See the HS407C X3 (red 2 MOA) and HE507C X3 (green MRS). Browse all Holosun pistol dots and RMR-footprint optics; read our best pistol red dots.

Ideal For

Concealed carry and duty pistols
RMR-cut optics-ready slides
Shooters wanting reticle versatility

Key Features

Multi-Reticle System: 2 MOA dot / 32 MOA circle (red)
RMR footprint; X3 housing; forward light sensor
Solar Failsafe + Shake Awake + Lock Mode
Side CR1632, up to 50,000 h
7075-T6 aluminium, IP67, 5000G

Technical Specifications

Reticle	2 MOA dot / 32 MOA circle (red)
Footprint	Holosun 507C / RMR
Battery	CR1632 + Solar Failsafe, up to 50,000 h
Brightness	12 (10 day / 2 NV)
Adjustment	1 MOA/click, ±50 MOA
Housing / Weight	7075-T6, IP67 / 1.5 oz

What's Included

Holosun HS507C X3 red dot sight
CR1632 battery, adjustment tool, mounting hardware, manual

UK Delivery & Support

UK-stocked and dispatched tracked from our UK warehouse — no import duties or customs delays — backed by UK-based support and Holosun's limited lifetime warranty.

Frequently Asked Questions

What is the Multi-Reticle System?
Select a 2 MOA dot, a 32 MOA circle, or both — precision or speed from one optic.

407C or 507C?
The 507C adds the Multi-Reticle System; the 407C is a single 2 MOA dot.

What footprint is it?
The Holosun 507C / RMR footprint.