A/HRC/22/59 Machine guns Vehicle-mounted heavy machine guns have been omnipresent in the Syrian conflict. The most commonly documented are the DShK 12.7x108mm, the KPV 14.5mm, the ZU-23-2 23mm and the ZU-23-4 Shilka 23mm Anti-aircraft gun mounted on APC. 130 GE.13-10627