The Mesa Tactical Sureshell Shotshell carrier with integrated optic rail for the Benelli Super Nova is a lightweight aluminum shell carrier that mounts on the left side of the receiver. Constructed with 6061-T6 aircraft aluminum and mil-spec anodized in matte black. The shell holders feature a rubber friction retention system to hold shells securely for years of use. The unit is mounted using the factory optics rail mounting holes along the top of the receiver and will not interfere with the forend of the shotgun. The optics rail is a 5 1/2" length, with mil-spec picatinny rail.