Mossberg Ghost Ring Sight Kit for 500, 590, 12 Gauge
Includes the rear sight, front sight, and base with Matte finish for 12 Gauge non-ribbed barrels.
Note: Gunsmithing is required for the front sight.
WARNING: Use of this product can expose you to chemicals including lead, which are known to the State of California to cause cancer and birth defects or other reproductive harm.
For more information go to www.P65Warnings.ca.gov