Soviet light machine gun <a href="https://en.wikipedia.org/wiki/RPK" class="extiw" title="en:RPK">en:RPK</a>
Polish military
Attribution
Ministerstwo Obrony Narodowej / Polish Ministry of Defence<br><a rel="nofollow" class="external free" href="http://www.wp.mil.pl">http://www.wp.mil.pl</a>