ProMag Picatinny Tactical Scope Rail for Ruger 9mm Carbine， 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"> Attaches directly to the integral bases on the RUGER 9mm and .40 SandW carbine </span></li><li><span class="a-list-item"> Allows the use of standard weaver rings and those for Picatinny rails </span></li><li><span class="a-list-item"> Red dot， holographic and other sights may be used as well </span></li><li><span class="a-list-item"> The rail is constructed of black oxide， heat treated steel </span></li><li><span class="a-list-item"> No permanent modification to the firearm required; all mounting hardware included </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/219TbQ8ll8L.jpg" noproxy>