Holosun HLS 509 Enclosed Red Dot Sight FDE

Holosun HLS 509 enclosed red dot sight. This compact optical sight provides an aiming point for pistols and other compact firearms and is offered in a flat dark earth (FDE) finish.

Built for straightforward target acquisition, the HLS 509 supplies selectable reticle options and a low-profile enclosed housing intended for everyday carry, duty, and range use on pistols or other compact platforms. The sight is designed to provide a consistent aiming reference while fitting common pistol footprints and accessory rails.

• Power source: 1 × CR2032 battery as provided in the product attributes.
• Reticle options: 2 dot or 65 MOA circle-dot reticle (multi-reticle selection).
• Dot size: 2 (value provided in attributes).
• Weight: 1.72 oz (listed as 1.7200 oz).
• Finish/color: FDE (flat dark earth) per attributes.
• Mounting: Picatinny/Weaver compatible mount type.
• Optic footprint: RMR/SRO standard footprint for direct mounting to compatible slides or plates.
• Enclosed/hardened housing with titanium referenced in the model name.
• Other: Parallax free operation (attribute listed as “PARALLAX FREE”).

Specifications & Construction

Materials and construction: Titanium is referenced in the model name. The sight uses an enclosed housing design. Power is supplied by a single CR2032 battery. The unit is listed as parallax free.

Dimensions and weight: dimension values provided are 2.60 × 3.65 × 4.75 (as listed in attributes). Height is listed as 2.6000 and width as 3.6500. Weight is listed as 1.7200 (oz).

Compatibility & Intended Use

Fits Picatinny and Weaver rails and uses an RMR/SRO standard optic footprint, making it suitable for many pistol slide plates and compact firearm mounting solutions. Typical setups include duty, concealed carry/EDC pistols with enclosed optics, backup/redundant sighting on compact platforms, and range practice applications.

This description is based on the provided product attributes and naming. If particular mounting plates, specific slide cut dimensions, or additional power/solar details are required for your firearm, please verify compatibility before purchase.