Advanced MicroDot Push Buttons Black are compact push button controls for firearm accessories. They work with quick detach (QD) sling mounts and optics. The black finish gives them a clean, tactical look. In addition, they allow fast attachment and removal of slings, mounts, and accessories. They fit QD sling swivel sockets, hand guards, and stocks on AR-15 and AR-10 rifles. Therefore, they are a great choice for shooters who want quick handling on their rifles and carbines.