4-string · neck-through
EMG BTS system which features a balance control (blend) and master volume with the bass and treble on separate pots.
| Construction | neck-through |
| Strings | 4 |
| Body | Mahogany Nyatah Palaquium,Quilt Maple (Trans Red and Tobacco Burst) or Natural Koa |
| Neck | 5-piece Maple/Wenge |
| Fingerboard | Indian Ebony |
| Neck Pickup | EMG P |
| Bridge Pickup | EMG J |
| Controls | Master volume, blend, bass cut/boost, treble cut/boost |
| Bridge | Fixed stop with locking saddles |
Artists documented playing the B.C. Rich Heritage Classic Mockingbird Bass: Blackie Lawless, David Ellefson, Erik Gustavsson, Jared Anderson, Justin Meldal-Johnsen, Kim Gordon, Lemmy Kilmister, Markus Grosskopf, Neil Murray, Nikki Sixx, Paolo Gregoletto, Phil Lynott, Steve Tucker, Terry Butler, Tiran Porter, Tony Fox Sales, Will Rahmer.