Warne Scope Mounts Ruger American Rimfire Matte Base， 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"> Ruger American Rim fire </span></li><li><span class="a-list-item"> Full width and depth recoil slots provide maximum bearing surface for recoil key engagement </span></li><li><span class="a-list-item"> Bases securely mount to your firearm with Torx-style T-15 Socket cap screws， 25 in/lb. of torque is recommended </span></li><li><span class="a-list-item"> Optimizes the performance </span></li><li><span class="a-list-item"> Aluminum one piece base </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/311dmBT-1SL.jpg" noproxy>