Shop › MESA SURSHL AL/RMR MNT BEN M4 6 12GA MESA SURSHL AL/RMR MNT BEN M4 6 12GA $146.95 Mesa Tactical SureShell, 12 Gauge, 6-Shell Side Saddle with Reflex Mount, For Trijicon RMR, Fits Benelli M4, Aluminum, Matte Finish, Black 95220 Quantity: Add To Cart Added! Mesa Tactical SureShell, 12 Gauge, 6-Shell Side Saddle with Reflex Mount, For Trijicon RMR, Fits Benelli M4, Aluminum, Matte Finish, Black 95220