Electronic Sighting Devices - 1x27mm Matte Black FinishManufacture ID: 40011Sightron S30-5Specifications:- Magnification: 1x - Object Diameter: 27 mm - Eye Relief: Unlimited - Reticle Type: 5 MOA DOT - Length: 5.7" - Tube Diameter: 30 mm - Finish: Matte Black - Sunshade Included: Yes - Lens Cover Included: Yes