The Shield Arms Revolver Optic Conversion (R.O.C.) is a versatile and durable optic mounting solution designed specifically for the Smith & Wesson 442, 642, 432, 43C, and 351C revolvers. Crafted from high-quality aluminum with an anodized finish, the R.O.C. provides a reliable and secure platform for mounting a variety of red dot sights and miniature reflex optics. This model features the RMSc footprint, which is compatible with a wide range of compact red dot sights such as the Shield RMSc, Holosun 407K/507K, and similar optics. It is not compatible with the Trijicon RMRcc; for that optic, a separate R.O.C. model is available. All necessary mounting hardware for installation is included, making upgrades quick and straightforward. Key Features: Aluminum construction with anodized finish for durability RMSc footprint for compatibility with select compact red dot sights (e.g., Holosun 407K/507K, Shield RMSc) Includes all necessary mounting hardware for easy installation Designed specifically for the Smith & Wesson 442/642/432/43C/351C revolvers Not rated for use with .357 Magnum ammunition The Shield Arms R.O.C. is an essential accessory for revolver owners seeking to upgrade their sighting system and improve shooting performance. Whether for self-defense, target shooting, or hunting, this optic adapter offers a reliable and versatile solution to enhance your firearm's capabilities.