Product Description The Ruffs Precision RPM 30-HRC 30MM High Rail Cap is a precision-machined accessory built to expand the capabilities of your existing RPM optic mounting system. Engineered to be compact and lightweight, this high rail cap gives shooters the ability to mount rail-based laser rangefinders or secondary aiming devices such as red dot sights directly alongside their magnified optic. As a straightforward cap replacement, the 30-HRC fits ALL existing RPM products, including the full CLR series rings and all Bravo and Delta cantilevers. No additional hardware is required -- the cap screws supplied with your original RPM purchase are the exact screws needed for installation, making this an effortless upgrade to your current setup. Product Highlights Adds a Picatinny-style rail to your existing 30mm RPM scope rings or cantilevers for mounting laser rangefinders or red dot sights Compatible with ALL RPM products including the full CLR series rings and Bravo and Delta cantilevers Compact and lightweight design meticulously engineered by Ruffs Precision Manufacturing Simple cap replacement requiring no additional hardware -- uses the original screws from your existing RPM purchase Rugged machined construction ensures a secure, stable platform for secondary aiming devices Specs Brand: Ruffs Precision Model: RPM 30-HRC Ring Diameter Compatibility: 30mm Compatible Products: All RPM CLR Series Rings, Bravo and Delta Cantilevers MPN: 30-HRC UPC: 850063702201 Disclaimer: We strive to provide accurate and up-to-date product descriptions, specifications, and images; however, errors or omissions may occasionally occur. We are not responsible for any inaccuracies or discrepancies in the content provided. If you notice anything incorrect or unclear, please contact us so we can correct it. When in doubt, we recommend verifying details directly with the product&';s manufacturer.