Mepro RMR Shotgun Plates allow you to mount any pistol optic with the RMR footprint to Benelli M2/M4/SBE, Beretta 1301T/A300, Mossberg 590/930 and Remington 870/1100. The CNC machined 6061-T6 Aluminum with Matte black Type 2 Hard Anodized finish ensure a solid direct shotgun-to-optic connection. Comes with mode-specific screws with Loctite pre-applied.