Holosun HE515GT 20mm Titanium Micro Sight, Green 2 MOA

Holosun HE515GT 20mm Titanium Micro Sight — a compact rifle and carbine optic that provides a selectable green 2 MOA dot and 65 MOA circle for rapid target acquisition and holdover reference. It is designed to provide an illuminated aiming option for hard-use platforms.

The HE515GT delivers a flexible aiming solution for AR-style rifles, carbines, and similar platforms where a low-profile 20mm micro sight is desired. Its Multi-Reticle System (MRS) allows users to choose a precise 2 MOA dot for precision shots or a 65 MOA circle for quick centering and fast engagements. Features such as Shake Awake, Solar Failsafe and multiple brightness settings make it adaptable across a range of light conditions for range, patrol, and duty use.

• Multi-Reticle System: Green 2 MOA dot plus 65 MOA circle for precision or fast centering.
• Optical size: 20 mm objective with 1x magnification and unlimited eye relief.
• Brightness & modes: 12 brightness settings (10 daylight + 2 night-vision compatible).
• Power: CR2032 battery in a side-mounted tray for tool-free replacement; up to 50,000 hours runtime reported.
• Construction: Grade 5 titanium housing for reduced weight and enhanced corrosion resistance.
• Mounting: Quick-detach absolute co-witness mount for fast installation/removal and co-witness with iron sights.
• Adjustment & precision: 0.50 MOA adjustment increments for windage and elevation.
• Operational aids: Shake Awake technology and Solar Failsafe for extended operation and redundancy.

Specifications & Construction

Materials and construction include a grade 5 titanium housing and multi-layer optic coatings. Dimensions and weights supplied: length approximately 3.27 inches and weight approximately 4.33 ounces. The reticle options are a 2 MOA dot and a 65 MOA circle. Adjustment increment is 0.50 MOA. The sight operates at 1x with an unlimited eye relief. Power source is a CR2032 battery accessed via a side-mounted tray. The unit is listed as waterproof in the provided attributes.

Compatibility & Intended Use

The HE515GT is intended for rifle and carbine platforms that accept a 20mm micro optic. Typical setups include use as a primary close-/mid-range optic on AR-style rifles, patrol or duty rifles, and range or training rifles. It also pairs with backup iron sights when mounted using the absolute co-witness mount.