Don't know anything about the rifle but Google did turn up these old ads from the following site:
http://store.vintagepaperads.com/servlet/-strse-15639/1966-H&R-Ultra-Bolt/Detail
I never knew H&R ever made bolt action and semi-auto rifles.
http://store.vintagepaperads.com/servlet/-strse-15639/1966-H&R-Ultra-Bolt/Detail


I never knew H&R ever made bolt action and semi-auto rifles.