Built with aircraft grade aluminum to withstand heavy recoil All-Weather housing is water, fog and shock-resistant Compatible with 20mm picatinny/weaver rails Nitrogen charged with weather resistant seals Adjustable rheostat for reticle brightness control Choose from three different reticle colors (Red, Green, Blue) for superior visibility Angled cut frame reduces glare under while targeting in bright surroundings Adjustable Windage and elevation knobs accommodate to surroundings 3.5 Inch eye relief provides safety from heavy recoil Integrated front and adjustable rear sight assist in target acquisition Front sight made with a luminesent fiber optic construction Scratch resistant, green fused multi-coated lens provides maximum light transmission and resolutionSpecifications: Brand AIM Sports Operation Rifle Scope Build Aluminum Weight 0.93 lbs Length 6.0 Inches Tube Diameter 30mm Lens Diameter 32mm Magnification 4X Finish Anodized Battery CR2032 Compatibility 20mm Picatinny Rails Color' BLACK 1X Scope