Zastava M55 Zastava M55 20mm Lebanon on Pickup, Serbia used in BOV AA vehicle, Armenia on MT-LB with turret like ZPU-4. Single Barrel version Zastava M75 (a licensed copy of Hispano-Suiza HS.804), this is used in Ukraine Zastava M55
Stinger
(by Wikimedia, Author, Rights refer to here)
Stinger
BOV-3 (4x4) BOV (4x4) / Zastava M55 20mm (by Wikimedia, Author, Rights refer to here) BOV-3 (4x4) (TD candidate:BOV (variants) by Armada)