TacStar 1081167 SideSaddle Mossberg 500/590 12 Gauge 4rd Black Polymer w/Aluminum Mounting Plate Batteries The metal-forged cast swivel design

The metal-forged cast swivel design provides a quiet and solid foundation for anchoring slings

Designed to emulate an ordinary pen

It also crushproof

and patches

Seat is 21" W x 15" D x 15" H

TacStar 1081167 SideSaddle Mossberg 500/590 12 Gauge 4rd Black Polymer w/Aluminum Mounting Plate Batteries The metal-forged cast swivel designTacStar's SideSaddle mounts extra rounds on your shotgun in a convenient and accessible location for fast reloading. The polymer shell carrier is attached to an aluminum mounting plate that installs directly on the shotgun receiver, and is designed to provide clearance for long forends. All mounting screws are included, no gunsmithing required.