Gas seal system diagram of <a href="https://en.wikipedia.org/wiki/Chsassepot" class="extiw" title="w:Chsassepot">Chsassepot</a>/Fusil modèle 1866. Based on <a href="//commons.wikimedia.org/wiki/File:Chassepot_Gas-seal.JPG" class="image"><img alt="Chassepot Gas-seal.JPG" src="https://upload.wikimedia.org/wikipedia/commons/thumb/3/36/Chassepot_Gas-seal.JPG/50px-Chassepot_Gas-seal.JPG" decoding="async" width="50" height="17" srcset="https://upload.wikimedia.org/wikipedia/commons/thumb/3/36/Chassepot_Gas-seal.JPG/75px-Chassepot_Gas-seal.JPG 1.5x, https://upload.wikimedia.org/wikipedia/commons/thumb/3/36/Chassepot_Gas-seal.JPG/100px-Chassepot_Gas-seal.JPG 2x" data-file-width="372" data-file-height="126"></a>
<a href="//commons.wikimedia.org/wiki/User:%D0%9B%D0%B5_%D0%9B%D0%BE%D0%B9" title="User:Ле Лой">Ле Лой</a>
<span class="int-own-work" lang="en">Own work</span>