A comprehensive sheet with the most important AR-15 related weapons and their categories.
Source: The Black Rifle, M16 Retrospective R. Blake Stevens &amp; Edward C. Ezell
<a href="//commons.wikimedia.org/wiki/User:Grasyl" title="User:Grasyl">Grasyl</a>
CC BY-SA 4.0
<span class="int-own-work" lang="en">Own work</span>