Oswald, this is compatible with Armscor VR Series 5rd and 9rd Magazines : budsgunshop.com/catalog/product_info.php/products_id/35353/armscor+magazine+nn+12ga+vr60 ------------- https://dkfirearms.com/product/rock-island-armory-vr80-vr60-12ga-9-round-magaz
