Free Express Shipping! Trijicon 4x32 ACOG Riflescope (Amber .308 BDC Crosshair) Amber .308 BDC Crosshair Reticle, Battery-Free Tritium Illumination, Bindon Aiming Concept, Back-Up Iron Sights, Nitrogen-Filled Fogproof / Waterproof, Aerospace Aluminum...