The M57 is a Yugoslav and Serbian 60mm infantry mortar generally based on the design of the US 60mm M2 Mortar. Currently, it is produced by the Serbian company PPT Namenska, and is still used by the Serbian Armed Forces' 72nd Brigade for Special Operations.
== Purpose == The M57 60mm mortar is intended for short-range fire support and is capable of eliminating infantry, firing posts and machine gun nests.
== Ammunition == HE Mortar Shell 60 mm HE Mortar Shell M73 P4 60 mm HE Mortar Shell M73 P3 Smoke Mortar Shell 60 mm Smoke Mortar Shell M73P2 60 mm High-Smoke Mortar Shell M93 Illuminating Mortar Shell 60 mm Illuminating Mortar Shell M67P2
== Operators == Armenia Bosnia and Herzegovina Liberia Mali North Macedonia Namibia Serbia Ukraine – One filmed in use by Ukrainian fighters
== See also == M2 mortar M224 mortar
