FN SCAR Assault rifle With Magpul CTR stock
Mitch Barrie from Costa Mesa, CA, USA
CC BY-SA 4.0
<a class="external free" href="https://commons.wikimedia.org/wiki/File:Stock_adapter_prototype_(13091345425).jpg">https://commons.wikimedia.org/wiki/File:Stock_adapter_prototype_(13091345425).jpg</a>