Vortex Optics Viper 6.5-20x50 BDC<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"> VIP unconditional Lifetime Warranty </span></li><li><span class="a-list-item"> 30 mm diameter </span></li><li><span class="a-list-item"> Maximizes alignment for improved accuracy and optimum visual performance， as well as ensures strength and waterproofness </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/31FwWUmwMjL.jpg" noproxy>