Carl Gustav M4, IDET/PYROS/ISET 2019, Brno. Background removed, slightly brightened from <a class="external text" href="https://commons.wikimedia.org/wiki/File:Carl_Gustav_M4_(1).jpg">the original</a> by <a href="//commons.wikimedia.org/wiki/User:Reise_Reise" title="User:Reise Reise">User:Reise Reise</a>.
<a href="//commons.wikimedia.org/wiki/User:Reise_Reise" title="User:Reise Reise">User:Reise Reise</a>
<a class="external free" href="https://commons.wikimedia.org/wiki/File:Carl_Gustav_M4_(1).jpg">https://commons.wikimedia.org/wiki/File:Carl_Gustav_M4_(1).jpg</a>