GrovTec Sling Swivel Set Mossberg 500 12 Ga

The GrovTec Sling Swivel Set replaces the factory magazine bolt and adds a swivel stud. Includes a 3/4" wood screw swivel stud rear and one pair of GT Locking Swivels. Spanner wrench included for assembly.Specifications and Features: Cartridge: 12 Gauge Compatible With: Mossberg 500 Country of Origin: United States of America Finish: Black Material: Steel