Comparison AK-74 and AKS-74U
Сергей Сандалов (sAg-) (<a rel="nofollow" class="external free" href="https://forum.guns.ru/forummessage/396/1987340.html">https://forum.guns.ru/forummessage/396/1987340.html</a>) and <a href="//commons.wikimedia.org/wiki/User:VitalyKuzmin" title="User:VitalyKuzmin">Vitaly V. Kuzmin</a>
CC BY-SA 4.0
<p><a href="//commons.wikimedia.org/wiki/File:AK74andAKS74U.jpg" title="File:AK74andAKS74U.jpg">File:AK74andAKS74U.jpg</a>
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<a href="//commons.wikimedia.org/wiki/File:Ak74l_noBG.png" title="File:Ak74l noBG.png">File:Ak74l_noBG.png</a>