Holosun HE509-RD - ACSS Vulcan Reticle - RMR Type

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  • HE509-RD-ACSS-R
The closed solar-assisted red dot sight with ACSS Vulcan reticle (Red) and 507C / RMR mounting plate has a large field of view and supports quick target acquisition.
The Holosun HE509 Powered Red Dot sight with ACSS Vulcan reticle allows for a large field of... more
Product information "Holosun HE509-RD - ACSS Vulcan Reticle - RMR Type"

The Holosun HE509 Powered Red Dot sight with ACSS Vulcan reticle allows for a large field of sight and has those features which allow you to sight in quickly and acquire the target and the location you intend to hit. What’s so neat about the Holosun HE509 is that the entire sight system is fully enclosed in light and rugged aluminum. Built to provide enhanced environmental protection and abrasion and shock protection, the HE509 Red Dot Sight protective housing stands head and shoulders above an open form reflex form factor.

The revolutionary patent-pending ACSS Vulcan reticle provides a large circle guiding the eyes towards the 10 MOA center chevron, eliminating one of the biggest challenges for shooters new to slide-mounted red dots. If you are off-center, a portion of this outer circle will appear in the window to give you an instant reference on how to get centered. The circle phases out of the sight window completely when the center chevron is properly aligned in the sight window. This patent-pending reticle function significantly improves sight acquisition. Don't need the circle? It can be easily deactivated to extend the battery even further.

The Holosun HE509 Red Dot Sight uses Solar Failsafe technology to power the optic providing the shooter or operator with a consistent, and very reliable point of aim. Another feature you simply don’t expect with a lithium powered optic sight such as this is you don’t have to worry about turning it on or forgetting to turn it off.

The Holosun Red Dot Sight uses patented Shake Awake technology which senses motion to power the sight on and off. In addition, Holosun manufactured this red dot sight with a brain that “recalls” your last setting and makes sure you don’t lose those customized settings once the sight system turns off.

The Holosun HE509 Red Dot Sight offers up to 20,000 hours of battery life. All reticle versions are projected from the same LED, so you don’t have to worry about having to re-zero when changing reticles.


Batterie life up to 20.000 hours
Batterie type CR1632 3V Lithium-Batterie
Click value      1 MOA
finish      hardcoat anodized
material aluminium - 7075-T6
color black
brightness settings 12 (10 daylight / 2 night vision)
night vision compatible yes
reticle colour  red
eye relief       unlimited
weight approx. 57g
lenghth 45,2 mm
width 31 mm
height 29 mm
adapter plate  507C/RMR

The adapter plate for the "-R" version is compatible with the most popular aftermarket slide cut in the industry. It is the same footprint as the Holosun 507C, making it compatible with most plate systems found on factory optics ready guns like the Walther PDP, S&W M&P C.O.R.E., CZ Optics Ready, Agency Arms AOS, FN 509 MRD, and Springfield Armory XDM Elite series handguns. It is also one of the most common aftermarket slide cut footprints.


The included 509 adapter plate is not compatible with ZEV or Shadow Systems style RMR interfaces.

The 509 ACSS model does not share the same footprint as the 509T (non-ACSS models) and therefore is incompatible with aftermarket mounting solutions and custom cut slides for the 509T (non-ACSS models).


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