What makes PMM RS-30 stand out from competitors is it's unparalleled quality to price ratio. The PMM RS-30 is made of 7075-T6 Aluminium which is much stronger than the 6061-T6 Aluminum competitors offer at the $200 price range. In addition to this, the RS-30 comes with a small Picatinny rail you can mount and configure however you want on the top of the mount (see photo below) for optimal red dot positioning.
Made of 7075-T6 Aluminium (MIL-STD-810G), Stronger than the standard 6061-T6!).
PMM RS-30 mounts on top of your Picatinny rail to supports 30 mm telescopic sights. On top of it, you can install the Picatinny mount which will allow you to attach a Red Dot on top of.