The Colt Mfg SP301329 1911 Optic Plate is a precision-machined mounting solution designed for Colt 1911 pistols, delivering a secure, low-profile platform for modern optics. Built to accommodate Shield RMSc and Holosun 507k red dot sights, this plate ensures a clean, stable mounting footprint that preserves slim handling and rapid target acquisition. It features an integrated Glock-style rear sight dovetail, enabling seamless compatibility with existing sighting configurations while maintaining a streamlined profile for holstering and draw. The optic plate is engineered to retain zero under recoil, allowing shooters to maintain confidence during fast-paced engagements or precise hunting shots. By combining Colts renowned reliability with a precisely machined footprint, it supports quick optic installation without compromising the pistols balance or ergonomics. Ideal for sport shooting, tactical training, or field use, this mount helps shooters leverage red dot advantagesenhanced accuracy, faster target transition, and improved performance in varying light conditionswhile preserving the classic 1911 feel. The result is a robust, aftermarket-ready upgrade that integrates modern optics with Colts heritage of precision engineering.