Yugoslavian copy of Czech vz 61 'Skorpion' machine-pistol. Originally designed in late 1950s these were made in Czechoslovakia until 1979, then licensed to Yugoslavia in 1984 (hence M84). Tyhis example carries a 1986 date stamp. Unusual design includes an oscillating weight in the pistol grip used to slow down rate of fire.
Marks and Stamps: (L side of reciver) Serial no (Under mag housing) 1986 Serial no| Accession Number: 313 | Period of Use: 19803-present |
| Type: Machine pistol/SMG | War Zones: Former Yugoslavia |
| Country of Origin: Yugoslavia | Type Date: 1961 |
| Manufacturer: Crvena Zastava (currently Zastava Arms), | Serial Number: 29375 |
| Manufacture Date: 1986 | Calibre/Ammunition: 7.65mm (0.32"acp) |
| Weight: 1310g | Length Overall: 522mm |
| Cyclic Rate: 700rpm | Length Barrel: 114mm |
| Deactivation Certificate Number: CG 39954 |