The Mesa SureShell is a precision-engineered 6-shell aluminum side saddle designed specifically for the Benelli M4 shotgun featuring an integrated Trijicon RMR reflex sight mount that co-witnesses with factory ghost ring sights.Mesa SureShell 6-Shell Side Saddle CarrierMachined from 6061-T6 aluminum for durability and lightweight performanceIntegrated Trijicon RMR mount (sight sold separately)Compatible with Benelli M4 shotgunsType 3 hard coat anodized flat black finishMounts via drilled and tapped receiver holesCo-witnesses with factory ghost ring sights when optic is installedPerfect for tactical applications home defense and competitive shooting where quick shell access and optic capability are essential for enhanced performance and versatility.