The Trijicon 100190 ACOG Black Hardcoat Anodized 4x 32mm LED Illuminated Red Crosshair .223/5.56 BDC Reticle rifle scope delivers durable, battlefield-proven performance with a matte black finish and a 32mm objective designed for reliable illumination and rapid target acquisition, optimized for forward-mounted RMR setups. Powered by a single AA battery, it offers adjustable brightness to maintain a crisp red crosshair .223/5.56 BDC reticle in varying light conditions, ensuring consistent aiming corrections at 4x magnification across end-user scenarios from close-quarters engagements to mid-range precision in rifle platforms that use a 1 inch mount. The included TA51 mount enhances versatility by providing a solid, repeatable return-to-zero setup, while the compact, rugged body is built to withstand harsh field use without compromising optical clarity or durability. This scopes 4x magnification, 32mm objective, and red illuminated reticle are combined with Trijicons renowned reliability to deliver fast target tracking, precise holdovers, and long-lasting performance on a variety of .223/5.56 caliber rifles.