Red Dot Sight Holosun HS403B

Holosun HS403B Red Dot Sight

The Holosun HS403B is a compact 20mm micro sight perfect for rifle and carbine applications. Featuring a 2 MOA Red Super LED with an impressive 50,000-hour battery life, this versatile sight offers:

• 12 brightness settings (10 daylight, 2 night vision compatible)
• Shake Awake technology for instant activation
• Parallax-free design with unlimited eye relief
• Durable 6061 T6 aluminum housing with MAO finish
• IP67 waterproof rating
• Convenient side-mounted battery tray for CR2032 battery

Includes both lower 1/3 co-witness (1.63″) and low mount (0.75″) options. With precise 0.5 MOA adjustments and ±50 MOA travel range, the HS403B is suitable for users of all levels.