US Tactical Systems Steel Double Width .50 BMG and Large Caliber Scope Rings w/1 in Inserts 1.270″<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"> 4140 chrome-molybdenum steel rings with precision Wire-EDM Construction - No "Lapping" required. </span></li><li><span class="a-list-item"> Square cross-cut bolts. Precision machined to snuggly fit the Picatinny rail cross-cut slots </span></li><li><span class="a-list-item"> Genuine HOLOKROME Hex Screws fit snuggly to protect your high-end Optic in all conditions </span></li><li><span class="a-list-item"> 30 mm Scope Rings with enhanced double "lipped" 1 inch inserts Included </span></li><li><span class="a-list-item"> Designed for the .50 CAL BMG - Built for all Calibers. Best choice in the industry! </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41a5wdO6rJL.jpg" noproxy>