Bob, there never was a pad offered on originally equipped guns, Richard Skeuse answered that question in this previous thread:
http://parkerguns.org/forums/showthread.php?t=243
I had read somewhere, don't recall where, that Parker Reproductions had considered a pad option on the
Sporting Clays Classic models, but apparently that never materialized before production ceased.
Here's my
Sporting Clays Classic model that a previous owner installed a black Pachmayer Decelerator Sporting Clays Pad that I subsequently changed to a Galazan Correct Period Pad: