Trijicon RMR Mount with Integrated Night Sight Set for Colt 1911 with Black Front/Black Rear Outline<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"> Fits: 1911/2011 platforms </span></li><li><span class="a-list-item"> Allow lower 1/3 co-witness of the front post </span></li><li><span class="a-list-item"> Requires slide machining by a professional </span></li><li><span class="a-list-item"> Fits 1911/2011 platforms </span></li><li><span class="a-list-item"> Fits all Trijicon RMRs </span></li><li><span class="a-list-item"> Integrated night sights </span></li><li><span class="a-list-item"> Allow lower 1/3 co-witness of the front post </span></li><li><span class="a-list-item"> Professional Gunsmithing Required </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/315k-no2fXL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31qN4mX5tTL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/315jqVxYhBL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/21bvezq7AkL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/01HusQA-qMS.png" noproxy>