The Mesa Tactical SureShell 6-Round Shotshell Carrier is precision-machined from 6061-T6 aluminum and specifically designed for Benelli M4/M1014 shotguns featuring an innovative rubber friction retention system for secure shell storage.SureShell 6-Round Shotshell Carrier for Benelli M4/M10146061-T6 aluminum construction for durability12 gauge shotshell compatibilityIntegrated Picatinny rail for accessoriesRubber friction retention system for reliable shell retentionMesa Tactical quality and precision engineeringPerfect for tactical applications competitive shooting and hunting where quick shell access and reliable retention are critical for optimal shotgun performance.