Browning Receiver Crystal 31.400 Browning Receiver Crystal 31.400 for Mark III and earlier models. Browning part number is 16-0009. (Crystals will be listed by there frequency in MHZ i.e. 16.000 as the part number. If the Browning or Tram part number is known it will be listed in the description. To help control inventory we limit the inventory of crystals available. If you find what you need is not available please contact us, we may be able to increase the inventory or let you know when more will be available.)