The lightweight and compact GPO SpectraDot red-dot scope is a great addition to most tactical rifles and shotguns. It features high-efficiency power management with a battery runtime of up to 50,000 hours with one CR2032 battery, a mount that mates with both Weaver and Picatinny rails, precision ½-MOA windage and elevation click adjustments and IPX 7 waterproof sealing. Red-dot brightness measuring 3 MOA enables the use of the sight in a variety of lighting conditions. The SpectraDot weighs just 6.63 ounces and has six daytime and five nighttime settings. MSRP: $399.99. Contact: www.gpo-usa.com