Seymour Duncan Duff McKagan Signature PJ Bass Pickup SetCelebrating the tone of one of rock's most prolific bassists, we have the Seymour Duncan Duff McKagan Signature PJ Pickup Set. McKagan, an essential element to plenty of legendary rock tracks, receives his own signature bass pickup set in the style of the P J pickup set that made him famous. Duff McKagan's tenure in the rock 'n' roll limelight goes back. Since the '80s, McKagan's basslines have driven some of rock's most fiery songs from Guns n'