The Mesa Tactical SureShell Polymer Carrier & Saddle combines a 6-round shell carrier with a 5-inch Picatinny rail system designed specifically for Remington 870/1100/1187 shotguns.Mesa Tactical SureShell Polymer Carrier & Saddle System6-round polymer shell carrier with dual rubber friction retention system5-inch Picatinny rail machined from aircraft grade 6061-T6 aluminumCompatible with Remington 870/1100/1187 shotgunsGlass-filled polymer construction with aluminum backing plateMIL-STD-1913 Picatinny rail specificationsHard anodized matte finish for durabilityNo gunsmithing required for installationThis versatile system provides both additional shell storage and a robust mounting platform for optical sights making it ideal for tactical applications hunting and competitive shooting where quick shell access and optics mounting are essential.