Mesa Tactical 6-Shell SureShell Carrier Side Saddle Rugged, Reliable On-Gun Shotshell carriers. Black Benelli M4 12Ga 90880 The Mesa Tactical Sureshell carrier is a shotshell carrier with integrated picatinny rail for Benelli M4 12 gauge model shotguns. It is constructed from milled 6061-T6 aircraft aluminum and features an anodized non-glare matte black finish. This 6 shell carrier uses die cut rubber gaskets in order to hold the shells in place during firing. The 5.5" picatinny rail is perfect for mounting your favorite optic. The Mesa Tactical Sureshell carrier is secured to the receiver of the shotgun with a specific bracket that is designed to withstand years of abuse.
