High-Performance Green Dot Sight with Shake Awake Technology

The HOLOSUN HE403B-GR Compact Green Dot Sight is a high-efficiency optic designed for shooters who demand reliability, precision, and durability. Featuring Holosun’s Super Green LED technology, this sight delivers up to 50,000 hours of battery life, ensuring long-lasting performance in all conditions. Its parallax-free design with unlimited eye relief provides rapid target acquisition and seamless aiming.

Shake Awake Technology for Instant Readiness

With Holosun’s innovative Shake Awake feature, the HE403B-GR automatically powers on when movement is detected and shuts off after inactivity, preserving battery life and ensuring your optic is always ready when needed. The memory function retains your last brightness setting, allowing for quick adjustments in the field.

Super Green LED for Maximum Visibility

Equipped with Holosun’s advanced Super Green LED, this optic is up to four times more efficient than traditional red diodes, making it ideal for high-brightness environments. The 2 MOA green dot offers precise aiming, while the 12 brightness settings (10 daylight and 2 night vision) allow for adaptability in any lighting condition.

Rugged T6061-T6 Aluminum Construction

Precision CNC-machined from T6061-T6 aluminum, the HE403B-GR is built to withstand extreme conditions. Its weather-resistant design ensures consistent performance in harsh environments, making it suitable for rifles, shotguns, and crossbows. The optic is compatible with Picatinny and Weaver rails for versatile mounting options.

Versatile Mounting Options

This compact green dot sight includes both a low mount and a 1/3 co-witness (AR) mount, providing flexible installation options. Whether you need a low-profile setup or co-witness compatibility with iron sights, the HE403B-GR has you covered.

Specifications:

• Manufacturer: HOLOSUN
• Model: HE403B "Shake Awake" Compact Green Dot Sight
• Reticle: 2 MOA Green Dot
• Parallax Free: Yes
• Unlimited Eye Relief: Yes
• Magnification: 1x
• Brightness Settings: 10 Daylight & 2 Night Vision
• Shake Awake Technology: Yes
• Memory Function: Yes
• Housing Material: CNC Machined T6061-T6 Aluminum
• Surface Finish: Anodized
• Adjustment per Click: 0.5 MOA
• Battery Type: CR2032
• Battery Life: Up to 50,000 Hours
• Dimensions: 2.44" x 1.18" x 1.45"
• Weight: 4.3 oz

Included in the Package:

• HOLOSUN HE403B-GR Green Dot Sight
• Low Mount
• 1/3 Co-Witness (AR) Mount
• CR2032 Battery
• Hex Keys