Trumci ACOG 3.5x35 Illuminated Green Dot Reticle Rifle Scope Fast Shipping!. 3.5x35 magnification red fiber optical sight scope suits for any 20mm RIS weaver standard rail. Durable aircraft-grade lightweight aluminum alloy with anodized matte black finish. Green Horseshoe Crosshair Reticle, Real Fiber Optic, No need for battery. Features a fiber optic illuminated reticle, providing more bright environment and reticle illumination at day. Adjustable windage and elevation. Shock proof, fog proof, and weather proofed.