Holosun HS403B Red Dot Sight - 2 MOA dot with 65 MOA Circle

Lightweight, compact, proven, economical

Features integrated mount to achieve 1/3 lower co-witness sighting.  The HS403B has a 20 mm lens designed for rifled and AR pistol applications, but can easily be adapted for air guns, shotguns and crossbows.  The 403B is a small, compact micro red dot optic. Employing Holosun’s LED technology, the CR2032 battery can last for 5 years. The “Shake Awake” technology powers on the sight with slight movement.  The HS403B is compatible with standard mounts, in addition to the 1/3 lower co-witness mount that comes standard.

HIGHLIGHTS

• COMPACT DESIGN: Holsun's HS403B is a 20mm micro optical sight designed for rifles and carbine applications.
• LONG BATTERY LIFE: The Holosun 403-B provides up to 50,000 hours at mid-level (6) setting.  
• LITHIUM ION BATTERY:  CR2032 for common replacement
• SHAKE AWAKE: Holosun’s Shake Awake Technology shuts the LED off during periods of inaction; at the slightest movement, the on-board motion sensor instantly activates the LED.
• MULTI-COATED LENS: Holosun’s optics are manufactured using optical glass with multilayer coatings applied to facilitate maximum light transmission and wear resistance while reducing glare.
• DESIGNED FOR DAYLIGHT AND NIGHT VISION:  Holosun's Super LEDs provide a versatile range of intensity for the brightest environments down to no-light situations.
• 12 BRIGHTNESS SETTINGS
• 2 MOA DOT
• PARALLAX FREE eye relief
• TRUE 1X red dot

See Review of the Holosun 403B in RedDot Sight Reviews

Included in Package:

• HS403B Optic
• Lower 1/3 Mount
• Rubber Cover
• CR2032 Battery
• Lens Cloth
• Hey key tool
• User Manual