Rise Armament RA601BLK: The Rise QD Sling Mount makes it incredibly easy to make room for other M-LOK attachments, such as lights or grips. The best part? It only takes 30 seconds to install and it\'s ready to install as soon as it\'s removed from the package. Rise even include all of the necessary tools for installation Allen wrench, screws, and T-nuts in the package. Rise precision machined the mount from 6061 aluminum, making it lightweight and durable.