The AIM-O Scope Mounts Tactical (25.4mm - 30mm Ring Mount) its sturdy as its crafted out of metal, its perfect for those that want to quickly remove their scope once situations start getting close and personal, so long as you have front and rear sights as back up! It features a QD mount system which enables the user to quickly remove the mount when required. Easy to install and use which does not require any tool to mount, tho to mount your optics on