The Holosun 403B is a micro red dot sight designed for pistols, shotguns, and crossbows. Its 2MOA reticle and Shake Awake technology ensure quick activation with motion. The 6061-T6 aluminum housing with titanium hood balances durability and weight (4.3 oz). Compatible with standard mounts, it includes a low mount and 1/3 co-witness mount for versatile installation. The CR2032 battery provides up to 50,000 hours of runtime, with 12 brightness settings for day/night use.
Features/Specs:
Reticle: 2MOA dot
Battery Life: Up to 50k hours
Housing: 6061-T6 aluminum + titanium hood
Adjustment: 0.5 MOA per click
Included: Low mount, 1/3 co-witness mount
Waterproof Rating: IP67
Weight: 4.3 oz
