Nikko Stirling Red Dot Sight w/3/8 Mounts 1x42mm 4 MOA Dot Matte Black. Specifications for Nikko Stirling 1x42mm Reflex Red Dot Sight w/3/8 Mounts: Manufacturer: Nikko Stirling Color: Black Finish: Matte Magnification: 1 x Objective Lens Diameter: 42 mm Reticle: 4 MOA Illumination Color: Red Eye Relief: Unlimited Emitter Type: Enclosed Weather Resistance: Yes Shockproof: Yes Fogproof: Yes Weight: 6.4 oz Quantity: 1 Red Dot Sights-Footprint: Not Applicable Features of Nikko Stirling 1x42mm Reflex Red Dot Sight w/3/8 Mounts CNC machined parts made to tightest tolerances Aircraft approved aluminium High Grade Optical lens coatings for maximum light transmission Low profile adjustments Fast finger adjustable dials Rubber enhanced zoom ring Package Contents: Nikko Stirling 1x42mm Reflex Red Dot Sight w/3/8 Mounts Lens Cover Lens Cloth Manual Nikko Stirling NRD40IM38: Red Dot Sight w/3/8 Mounts 1x42mm 4 MOA Dot Matte Black