Black anodized aluminum constructed component withstands rigorous use Compatible with 20mm Picatinny rails Slim and low profile design takes little rail space Simply rotate rifle for easy use with minimal change in handling Assists in quick target acquisition at closer range 45 degree angled front sight doesn't hinder your optics In the Box 1X Flip Up Sight Specifications: Brand Ranger ArmoryBuild AluminumCompatibility 20mm Picatinny Style RailsColor BLACK California Proposition 65 Warning: Cancer and Reproductive Harm - www.P65Warnings.ca.gov