4-16X50YG Long Range Tactical Riflescope.  This multi-functional long range optic is built from solid CNC aluminum with a 25.4mm tube, pre-installed with 20mm Picatinny base for quick mounting. Equipped with a large 50mm multi-coated objective lens, it delivers bright light transmission for long-distance shots at dawn and dusk. The wire reticle supports red & green dual illumination with adjustable brightness levels to adapt to all light environments. Textured windage/elevation turrets offer precise tactile click adjustment for consistent long-range zero retention. It features an integrated top Picatinny rail for extra accessories, plus a ribbed anti-reflection sunshade to block stray light.