HE503R-GD (Gold Dot) | Holosun (PTA stock)

Holosun HE503R-GD (Gold Dot) — a compact 20mm micro sight engineered for modern rifles and carbines. Featuring Holosun’s Gold Super LED technology, this optic delivers a crisp 2 MOA dot or 65 MOA circle-dot via the MRS (Multi-Reticle System), giving shooters the flexibility to adapt to any shooting scenario.

The rotary switch allows smooth brightness control with 12 total settings — 10 daylight and 2 night vision compatible — ensuring clear visibility in any lighting condition. Powered by a single CR2032 battery, the HE503R-GD offers an incredible 50,000-hour battery life, keeping you ready for thousands of rounds without interruption.

Key Features

• MRS (Multi-Reticle System): Choose between 2 MOA Dot or 65 MOA Circle-Dot

• Gold Super LED with superior visibility and reduced glare

• 50,000 Hours Battery Life on a single CR2032

• Rotary Brightness Control with 10 Daylight + 2 NV Settings

• 6061 Aluminum Housing – lightweight yet rugged

• Includes Two Mounts: Lower 1/3 Co-Witness (1.63”) & Low Mount (0.75”)

• IP67 Rated – water and dust resistant

Constructed from 6061-T6 aluminum, the HE503R-GD combines strength and lightweight durability. It includes both a lower 1/3 co-witness mount (1.63”) and a low mount (0.75”), making it ideal for AR-style rifles, PCCs, and low-profile platforms. The rotary dial doubles as a sealed battery compartment, offering added protection and simplicity.

In the Box

• Lower 1/3 Co-Witness Mount

• Low Profile Mount

• T10 L-Key

• Rubber Lens Cover

• User Manual

• CR2032 Battery

• Lens Cloth