Holosun HE509T-GR X2 Enclosed Reflex Sight — 2 MOA / 32 MOA

Holosun HE509T-GR X2 Enclosed Pistol Reflex Sight — a compact enclosed reflex sight designed for handgun use. It provides a selectable 2 MOA green dot and a 32 MOA circle reticle for fast target acquisition on pistols.

The HE509T-GR X2 addresses the need for a durable, low-profile pistol optic that combines an enclosed window with Holosun’s multi-reticle capability. Intended primarily for duty, range, and everyday carry setups on compatible slide footprints, it offers multiple reticle options, automatic power management, and a titanium housing suitable for repeated handling.

• Titanium housing (grade reported) for reduced weight and corrosion resistance.
• Multi-Reticle System: selectable 2 MOA center dot, 32 MOA circle, or combined circle-dot configuration.
• Holosun Super Green LED with long service life (up to 50,000 hours reported) and 12 intensity settings, including two NV-compatible settings.
• Shake Awake and Solar Failsafe technologies to preserve battery life and provide auxiliary power input.
• X2 enhancements: improved glass clarity and a Lock Mode to prevent accidental setting changes.
• Compact footprint and weight: approximately 1.6″ length and 1.72 oz weight for low-profile mounting on pistols.
• Optic footprint compatible with RMR/SRO standard; includes a 509T adapter plate for RMR footprints (adapter is not compatible with Zev or Shadow Systems-style interfaces that use threaded bosses).

Specifications & Construction

• Housing: Titanium (grade referenced in product details).
• Window / Objective: approximately 0.66″ x 0.90″ viewing area.
• Reticle sizes: 2 MOA dot and 32 MOA circle (selectable modes).
• Adjustment: 1 MOA per click for windage/elevation.
• Dimensions & weight: length ~1.6 inches; listed weight ~1.72 ounces; overall product dimensions reported as 3.30 x 3.60 x 4.70 (packaging or external).
• Finish: reported as black (Black Matte / Black Anodized in supplied data).
• Power / Operation: battery-powered with solar fail-safe and Shake Awake. (Battery type is listed inconsistently in supplied data; see notes.)
• Environmental: nitrogen-purged and reported waterproof construction.

Compatibility & Intended Use

• Designed for handgun slide mounting and low-profile pistol applications.
• Compatible with optics cutouts using RMR/SRO standard footprints via the included adapter plate.
• Typical setups: duty pistols, service pistols, range pistols and carry-capable handguns where an enclosed reflex is preferred.

This description is based on the supplied product details and lists the sight’s core capabilities and measurable specifications to assist in fitment and setup decisions.