Truglo Pro-Series Slug 1/4 Sight， Red/Green<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"> Our ultimate slug gun sight! All-steel construction. </span></li><li><span class="a-list-item"> Securely mounts to your rib without tape or magnets. </span></li><li><span class="a-list-item"> Full windage and elevation adjustment. </span></li><li><span class="a-list-item"> Front diameter is .029"; rear diameter is .035". </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41rHQoJxG6L.jpg" noproxy>