The Lyman Side Saddle Shell Holder for the Mossberg 500 provides quick access to 4 additional 12 GA rounds without the need for permanent modifications or gunsmithing.
It features a durable, lightweight nylon shell carrier with an aluminum mounting plate that utilizes existing pin/screw holes for easy installation.
Designed with law enforcement in mind, the Rem. 870/1100/11-87 ESN model includes a window for serial number visibility, aiding in firearm tracking and record-keeping.