TRIJICON ACOG 2X20 RTR .223 BDCThe Trijicon ACOG 2x20 RTR Riflescope with . 223 BDC Reticle is a compact and durable optic designed for rapid target acquisition and precision aiming with . 223 5. 56mm rifles. This fixed 2x magnification scope features a bullet drop compensating (BDC) reticle calibrated for . 223 5. 56mm ammunition. The dual illumination system uses fiber optics for daylight brightness and tritium for low light conditions, ensuring visibility without batteries. With