Magpul Gen 2 MBUS Rear Flip Sight， Black<div style="text-align: left;"><strong>[Product Information]</strong><ul><li id="replacementPartsFitmentBullet" class="aok-hidden" data-doesntfitmessage="We're not sure this item fits your " data-fitsmessage="This fits your "><span class="a-list-item"><span id="replacementPartsFitmentBulletInner"><a href="#" class="a-link-normal hsx-rpp-fitment-focus">Enter your model number</a>to make sure this fits.</span></span></li><li><span class="a-list-item"> Impact resistant polymer construction </span></li><li><span class="a-list-item"> Made in USA </span></li><li><span class="a-list-item"> Made in USA </span></li><li><span class="a-list-item"> MBUS (Magpul Back-Up Sight) GEN 2 is a low-cost， color injection molded， folding back-up sight </span></li><li><span class="a-list-item"> Adjustable for windage and fits most 1913 picatinny-railed hand guards </span></li><li><span class="a-list-item"> Impact resistant polymer construction provides light weight and resists abuse </span></li><li><span class="a-list-item"> Made in U.S.A. </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/519ZG7sQSWL.jpg" noproxy>