Are you saying that you've got a deactivated L4 or a deactivated NZ L4 Tombear? I operated with NZ troops during the same era and outside NZ, they were sourced from pooled Ordnance stocks but internally, they were a one-off purchase with spare parts presumably being supplied by Australiaicon in the same way as spare parts for the L1A1's. Don't forget that there were only a few parts that were specific to the L4 series so it didn't cause a logistical problem