Holosun HE509T-RD X2 Enclosed Reflex Sight, Titanium

The Holosun HE509T‑RD X2 is an enclosed reflex sight engineered for handgun use, featuring a Grade 5 titanium housing and an enclosed, nitrogen‑purged design for durability in demanding environments. Its Multi‑Reticle System (MRS) provides a 2 MOA dot plus a selectable circle option, while Solar Failsafe and Shake Awake extend on‑board power availability. The sight is sized and configured for duty, competition, and personal defensive carry where a robust, low‑profile optic is required.

Key Specifications

• The housing is constructed from Grade 5 titanium for enhanced durability.
• This is an enclosed, nitrogen‑purged reflex sight to protect internal components.
• The reticle offers a 2 MOA dot with an additional selectable circle option.
• The viewing window measures 0.66 x 0.90 inches for a compact sight picture.
• The sight weight is 1.72 ounces for minimal added mass to the host pistol.
• Power management includes solar failsafe and battery backup plus Shake Awake technology.
• Brightness control provides 12 settings (10 daylight and 2 night‑vision compatible).
• Optic footprint is RMR/SRO standard with an included RMR‑to‑509T adapter plate.
• The unit is rated IP67 for temporary submersion and sealed operation.
• Adjustment increments are 1 MOA per click for windage and elevation.

Compact, corrosion‑resistant, and designed for practical use, the HE509T‑RD X2 pairs a lightweight titanium body with practical features such as a multi‑reticle option, solar failsafe, and night‑vision compatible settings. Its enclosed design and RMR‑compatible footprint make it a versatile choice for users seeking a durable pistol optic with straightforward controls and proven field features.