The Mesa Tactical SureShell Carrier for Remington 870 shotguns is precision-machined from 6061-T6 aluminum and features an innovative rubber friction retention system to securely hold shells until needed.SureShell Aluminum Shotshell Carrier for Remington 8706-shell capacity for 12 gauge ammunition6061-T6 aluminum construction for durabilityRubber friction retention system for reliable shell retentionIntegrated Picatinny rail and mag clamp systemIdeal for tactical applications and competitive shooting this carrier provides quick access to additional ammunition while maintaining a secure hold during movement and operation.