The NcStar Mossberg 500/590 Shotgun Receiver Micro-Dot Base & Picatinny Rail Mount provides an easy solution for mounting optics to your shotgun. Featuring a low-profile Picatinny rail design, this mount allows for the attachment of various optics while maintaining a see-through channel, so you can still use the front bead sight without obstruction. Constructed from durable aluminum, this rail mount is both lightweight and strong, making it ideal for tactical and hunting applications. It installs quickly using the factory pre-drilled holes on top of the Mossberg 500/590 shotgun receiver, providing a seamless and secure fit for added versatility.