Polish assault rifle-grenade launcher <a href="https://en.wikipedia.org/wiki/kbkg_wz._1960" class="extiw" title="en:kbkg wz. 1960">kbkg wz. 1960</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>