PROSUPPLIES 3 PCS Tactical 45 Degree Angle Offset 20mm Weaver Rail Mount Picatinny 4 Slot<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"> Durable all metal construction Lightweight， made of aluminum with black anodized matte finish </span></li><li><span class="a-list-item"> The offset design creates easy access to on/off switches for flashlights， lasers， and red dot sights Mounting versatility eliminates interference with vertical grips </span></li><li><span class="a-list-item"> Perfect for mounting backup reflex sights side by side with your primary optics Easy installation </span></li><li><span class="a-list-item"> Dimensions: 1.75" x 2" Weight: 1.4 oz Color: Black </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41XJNUdZcxL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41Z%2BsHbBz3L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41GOJfQ-v5L.jpg" noproxy>