Here is a vintage instruction manual for a Ruger M-77 bolt action rifle.  The form number is D1/6-87. It is dated 1987.  It was published by Sturm, Ruger and Company, Inc. in Southport, Connecticut. This 16 page, stapled booklet provides general information and instructions about the features, safe operation and the care and cleaning of the M-77 model. An exploded black and white diagram showing numbered parts, and a corresponding identification parts list - with prices - is included.  A loose, single sheet mail in card for a conversion kit is inserted in the booklet.