Mesa Tactical SureShell Polymer Benelli M2 Tactical Side Saddle Shell Holder with RMR Mount (6-Shell, 12-GA) Fits: Benelli M2 Tactical Benelli M2 (modles that are pre drilled and taped) Benelli M1 (modles that are pre drilled and taped) New for 2022 is our line of SureShell shotshell carriers with integrated Trijicon RMR® reflex sight mounts for the Benelli M2 Tactical and Benelli M4 shotguns. Similar to our SureShell carriers with integrated optics rail for those platforms, instead of a Picatinny rail these carriers feature a precision machined mount for an RMR® reflex sight. When installed on the shotgun, the RMR® sight co-witnesses with factory ghost ring sights. Includes an integrated Trijicon RMR® reflex sight mount that co-witnesses with factory ghost ring sights Innovative rubber friction retention system solidly holds shotshells in place Machined from 6061-T6 aluminum or injection molded-glass filled nylon yoke Type 3 hard coat anodized for flat black durable finish on aluminum parts Mounts via drilled and tapped receiver holes Available in four and six-shell configurations for aluminum and six-shell only for polymer Available Benelli M2 Tactical /M4 shotguns 100% made in America (***** RMR® Sight is not included)