Transparent and PNG version of <a href="//commons.wikimedia.org/wiki/File:M4A1_ACOG.jpg" title="File:M4A1 ACOG.jpg">file:M4A1_ACOG.jpg</a>.
U.S. Navy, <a href="//commons.wikimedia.org/wiki/User:Dragunova" title="User:Dragunova">Dragunova</a>, <a href="//commons.wikimedia.org/wiki/User:ZStoler" title="User:ZStoler">ZStoler</a>
2003
<a href="//commons.wikimedia.org/wiki/File:M4A1_ACOG.jpg" title="File:M4A1 ACOG.jpg">file:M4A1_ACOG.jpg</a>