Shield Sights AMSc Red-Dot Sight 4 MOA Dot, Black

AMSc Sight 4MOA (3.25 MOA) The patented design features include: Mounts to SHIELD&&';;s famous footprint.Utilizes SHIELD&&';;s patented mechanism, enabling co-witnessing with standard iron sights, considerably reducing training times and costs.The mechanism uses no click adjustment, making it infinitely more accurate when zeroing.Square, crystal-clear glass lens with no filters to disturb the image of the world through the sight.Machined from aerospace-grade aluminium to extremely precise tolerances while maintaining an attractive, modern-looking optic.Smallest and lightest in its class, weighing only 27.1g (battery excluded).Intelligent on/off function, allowing the user to turn it back on at the previous setting.12-stage manual brightness adjustment, including 3 NVG settings.3-stage auto brightness adjustment, so it can always be on and ready.20,000 hours in average daylight with a CR2032.Side access battery compartment with the option of a CR2025, CR2032, or CR2050 battery, offering the user a choice of better battery life or increased concealability.Nitrogen-sealed housing, submersible to 30 feet for 30 minutes.Industry-first mounting interface for fitting aftermarket accessories like a roll cage, torches, lasers, GoPro, protective lens covers, and many more. Technical Specification Optical Characteristics Light Source: Red light emitting diode (LED). No laser; completely eye safe. No radioactive materials. Red Dot Size Options: 4MOA and 8MOA Lens: Square, crystal-clear glass lens with no filters to disturb the image of the world through the sight. Lens Coating: Anti-reflective, color-free coating minimizes visible signature. Electronics Battery: One 3V lithium metal battery, CR2025, 2032, or 2050. Multiple size battery caps for extra concealability or battery life. Battery Life: 20,000 hours in average daylight with a CR2032. Battery Fitting: Side mounting battery Brightness Adjustment: 3-stage automatic or 12-level manual. Brightness Range: Lowest: Compatible with Night Vision. Highest: Visible against the sky in bright daylight. Exterior Housing Material: Anodized aerospace-grade aluminum (6082 T6). Color: Matte black. Dimensions: Sight with 2025 battery and cap (L x W x H): 40.8 mm x 25 mm x 25.6 mm (1.65" x 0.98" x 1"). Sight with 2032 battery and cap (L x W x H): 40.8 mm x 26 mm x 25.6 mm (1.65" x 1.2" x 1"). Sight with 2050 battery and cap (L x W x H): 40.8 mm x 27.5 mm x 25.6 mm (1.65" x 1.8" x 1"). Weight: 27.1 grams / 0.95 ounces (excluding battery). Mount: The SHIELD footprint - 100+ mounting solutions. Water Immersion: 30 feet for 30 minutes (IP68).