Model 16 WaA251 serial number 25587 (2,000 produced serial number range 25539-27616)

Model 16 WaA251 serial number 26196

Model 17 WaA251 "rig" (30,000 produced serial number range 21000-58000)

Model 17 "rig" with German accepted holster

Kriegsmodell WaA251 serial number range 58000-63000

Kriegsmodell WaAD20 serial number range 63001-76000