Left Picture: A <a href="https://en.wikipedia.org/wiki/Picatinny_rail" class="extiw" title="en:Picatinny rail">picatinny rail</a> on a <i>Steyr HS .50</i>. — Right picture: A scope on a picatinny rail of a <i>Steyr HS .50</i>.
<a rel="nofollow" class="external text" href="http://www.steyr-arms.at/index.php?id=55">Steyr Mannlicher</a>
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