Butler currently endorses Lakland basses and has his own signature model. For amplification, Butler is endorsed by Hartke bass amplification, "Kilo" bass head and 4X10 HyDrive cabinet. In the past, he has been known to use Ampeg SVT & B-15 bass amps and Fender, Dan Armstrong Plexi, Rickenbacker, Yamaha BB, Vigier and B.C. Rich Basses.