The SKS is a Soviet semi-automatic carbine chambered for the 7.62×39mm round, designed in 1943 by Sergei Gavrilovich Simonov. Its complete designation, SKS-45, is an initialism for Samozaryadny Karabin sistemy Simonova, 1945.
["SKS"](https://sketchfab.com/3d-models/sks-ea48b79acd354e4d8aa5ac901218ae5e) by Mateusz Woliński is licensed under [Creative Commons Attribution](http://creativecommons.org/licenses/by/4.0/).