This is the ruger mark III with the 5.5 inch heavy barrel adjustable rear sight chambered in 22LR. The reciever is drilled and tapped for a scope rail, the rail and scope is included. 

Features a loaded chamber indicator frame mounted magazine release and safety.

The firearm is in at least 95% condition includes original box 2 magazines rail and scope 

Scope is a BSA red dot model pd30