The business end of an <a rel="nofollow" class="external text" href="http://www.izhmash.ru">Izhmash</a> (<a class="external text" href="https://en.wikipedia.org/wiki/Izhmash">Wikipedia</a>) <a rel="nofollow" class="external text" href="http://www.izhmash.ru/eng/product/tigr.shtml">Tigr-308</a> self-loading hunting rifle. The lands and grooves in the barrel can be seen, illuminated by a small lamp.
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/52365139@N05">Dennis van Zuijlekom</a> from Ermelo, The Netherlands
CC BY-SA 2.0
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/dvanzuijlekom/7054947987/">Groovy</a>