20mm reflex lens aperture provides a wide field of view, suitable for rapid-fire, moving target shooting
fully multi-coated: Multiple anti-reflective coatings on all air-to-glass surfaces increase light transmission. Waterproof: O-ring seals prevent moisture, dust and debris from penetrating for reliable performance in all environments. Fog resistant shockproof: Rugged construction withstands recoil and impact.Hard anodized finish
Constructed by aluminum alloy with anodized matte black processing. Light weight and compact design
Easy to hook up, install in just seconds. Very sturdy and secure rail mounting system. Will not come loose, made to last