Also there is a book 'Blue book of airguns. Where is the serial number for a 63-90 sheridan blue streak located? Where is serial number on sheridan blue streak. Helpfult Tip: To maintain the seals for a long time, remember to put one pump of air into the gun when putting it away after shooting. Custom fit butt plate black finished barrel. We've proudly offered this excellent design for over four decades, now upgraded with today's quality sight, tighter tolerances, superior trigger mechanism. Made in the USA Description: The best of the past and the present combined.