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The NcStar Mossberg Shotgun Receiver Rail is designed to fit Mossberg 500/590 models with the factory pre-drilled holes on top of the shotgun receiver. Mossberg 500/590 Receiver Picatinny Rail Mount for mounting Optics to your Shotgun Low Profile Picatinny Rail design with See-Through Channel allows you to still use the Front Bead Sight Screws included for mounting rail to Shotgun Receiver All Aluminum Construction. Black Anodized finish Length: 5.4 Weight: 1.3 oz.
WARNING: This product can expose you to chemicals including lead, which is 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.