Installation of rail system for optics

Its not drilled and tapped a good gunsmith can do that for you or you may be able to use a saddle mount the issue with the saddle mounts are they are not made for this gun so you would have to modify one from a Mossberg or Remington to fit

Robert, This firearm does not have a rail or drilled and tapped to install one. An option could be a optic rail that mount on the pins in the receiver. here is an example.budsgunshop.com/catalog/product_info.php/products_id/411556965/millett+saddle+matte+

Robert, this shotgun is not drilled and tapped for a mount for optics. youtube.com/watch?v=P-EH8Czmd1Q