The NcSTAR VDBRB 1.7"H 30Mm Micro Blue & Red Dot Reflex Optic enhances your shooting experience with precision and style. This compact optic is tailored for optimal accuracy, featuring a 1.7" dot height for seamless integration with 223/556 rifle iron sights. The durable black anodized aluminum construction ensures longevity in diverse environments. 1.7" Height Red & Blue Dot Reflex Optic for a sleek design. 1.7" Dot Height for 1/3 Co-Witness with 223/556 Rifle/M4 iron sights. Unlimited Eye Relief for flexible mounting options. 3 MOA Red & Blue Dot with five adjustable brightness settings. Easy electronic controls for on/off, brightness, and color adjustments. Powered by a long-lasting CR123A 3-volt Lithium battery. Features a built-in auto locking quick release Picatinny mount. Sturdy black anodized aluminum body for enhanced durability. Includes bikini lens covers, mounting, and zeroing tools. Optimize your aim with the NcSTAR VDBRB Reflex Optic, the ultimate companion for precision shooting.